Stellar Variability and Distance Indicators in the Near-infrared in Nearby Galaxies. I. RR Lyrae and Anomalous Cepheids in Draco Dwarf Spheroidal
Anupam Bhardwaj, Marina Rejkuba, Chow-Choong Ngeow, Marcella Marconi, Vincenzo Ripepi, Abhinna Sundar Samantaray, and Harinder P. Singh
ASTRONOMICAL JOURNAL
2024-01
期刊論文
Photometric Metallicity and Distance for the Two RR Lyrae in Segue II and Ursa Major II Dwarf Galaxies Based on Multiband Light Curves
Chow-Choong Ngeow and Anupam Bhardwaj
ASTRONOMICAL JOURNAL
2024-01
期刊論文
Study of the Blazhko Type RRc stars in the Stripe 82 Region Using SDSS and ZTF
Vaidehi Varma, József M. Benkő, and Chow-Choong Ngeow
ASTRONOMICAL JOURNAL
2023-11
期刊論文
Minutes-duration optical flares with supernova luminosities
Anna Y. Q. Ho, Daniel A. Perley, Ping Chen et al (including Chow-Choong Ngeow)
NATURE
2023-10
期刊論文
Rubin Observatory LSST Transients and Variable Stars Roadmap
Kelly M. Hambleton et al. (including Chow-Choong Ngeow)
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2023-09
期刊論文
High-resolution Spectroscopic Metallicities of Milky Way Cepheid Standards and Their Impact on the Leavitt Law and the Hubble Constant
Anupam Bhardwaj, Adam G. Riess, Giovanni Catanzaro, Erasmo Trentin, Vincenzo Ripepi, Marina Rejkuba, Marcella Marconi, Chow-Choong Ngeow, Lucas M. Macri, Martino Romaniello, Roberto Molinaro, Harinder P. Singh and Shashi M. Kanbur
Astrophysical Journal Letters
2023-09
期刊論文
Zwicky Transient Facility and Globular Clusters: The gr-band Period–Luminosity Relations for Mira Variables at Maximum Light and their Applications to Local Galaxies
C.-C. Ngeow, Jia-Yu Ou, Anupam Bhardwaj, Josiah Purdum, Ben Rusholme, and Avery Wold
ASTRONOMICAL JOURNAL
2023-05
期刊論文
Zwicky Transient Facility and Globular Clusters: The Period–Luminosity and Period–Wesenheit Relations for SX Phoenicis Variables in the gri Band
Chow-Choong Ngeow, Anupam Bhardwaj, Matthew J. Graham, Brian F. Healy, Russ R. Laher, Reed Riddle, and Avery Wold
ASTRONOMICAL JOURNAL
2023-04
期刊論文
A Distance Measurement to M33 Using Optical Photometry of Mira Variables
Jia-Yu Ou, Chow-Choong Ngeow, Anupam Bhardwaj, Matthew J. Graham, Russ R. Laher, Frank J. Masci, and Reed Riddle
ASTRONOMICAL JOURNAL
2023-04
期刊論文
EDEN Survey: Small Transiting Planet Detection Limits and Constraints on the Occurrence Rates of Planets around Late-M Dwarfs within 15 pc
Jeremy Dietrich, Dániel Apai, Martin Schlecker, Kevin K. Hardegree-Ullman, Benjamin V. Rackham, Nicolas Kurtovic, Karan Molaverdikhani, Paul Gabor, Thomas Henning, Wen-Ping Chen, Luigi Mancini, Alex Bixel, Aidan Gibbs, Richard P. Boyle, Samantha Brown-Sevilla, Remo Burn, Timmy N. Delage, Lizxandra Flores-Rivera, Riccardo Franceschi, Gabriele Pichierri, Sofia Savvidou, Jonas Syed, Ivan Bruni, Wing-Huen Ip, Chow-Choong Ngeow, An-Li Tsai, Chia-Lung Lin, Wei-Jie Hou, Hsiang-Yao Hsiao, Chi-Sheng Lin, Hung-Chin Lin, Ritvik Basant
ASTRONOMICAL JOURNAL
2023-03
期刊論文
The Optical Light Curve of GRB 221009A: The Afterglow and the Emerging Supernova
M. D. Fulton, S. J. Smartt, L. Rhodes, M. E. Huber, V. A. Villar, T. Moore, S. Srivastav, A. S. B. Schultz, K. C. Chambers, L. Izzo, J. Hjorth, T.-W. Chen, M. Nicholl, R. J. Foley, A. Rest, K. W. Smith, D. R. Young, S. A. Sim, J. Bright, Y. Zenati, T. de Boer, J. Bulger, J. Fairlamb, H. Gao, C.-C. Lin, T. Lowe, E. A. Magnier, I. A. Smith, R. Wainscoat, D. A. Coulter, D. O. Jones, C. D. Kilpatrick, P. McGill, E. Ramirez-Ruiz, K.-S. Lee, G. Narayan, V. Ramakrishnan, R. Ridden-Harper, A. Singh, Q. Wang, A. K. H. Kong, C.-C. Ngeow, Y.-C. Pan, S. Yang, K. W. Davis, A. L. Piro, C. Rojas-Bravo, J. Sommer and S. K. Yadavall
Astrophysical Journal Letters
2023-02
期刊論文
Precise Empirical Determination of Metallicity Dependence of Near-infrared Period–Luminosity Relations for RR Lyrae Variables
Anupam Bhardwaj, Marcella Marconi, Marina Rejkuba, Richard de Grijs, Harinder P. Singh, Vittorio F. Braga, Shashi Kanbur, Chow-Choong Ngeow, Vincenzo Ripepi, Giuseppe Bono, Giulia De Somma, Massimo Dall'Ora
Astrophysical Journal Letters
2023-01
期刊論文
The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole
Pasham, Dheeraj R. et al (including Chow-Choong Ngeow)
Nature astronomy
2022-11
期刊論文
Utilizing a Global Network of Telescopes to Update the Ephemeris for the Highly Eccentric Planet HD 80606 b and to Ensure the Efficient Scheduling of JWST
Kyle A. Pearson, Charles Beichman, B. J. Fulton, Thomas M. Esposito, Robert T. Zellem, David R. Ciardi, Jonah Rolfness, John Engelke, Tamim Fatahi, Rachel Zimmerman-Brachman, Arin Avsar, Varun Bhalerao, Pat Boyce, Marc Bretton, Alexandra D. Burnett, Jennifer Burt, Charles H. Cynamon, Martin Fowler, Daniel Gallego, Edward Gomez, Bruno Guillet, Jerry Hilburn, Yves Jongen, Tiffany Kataria, Anastasia Kokori, Harsh Kumar, Petri Kuossari, Georgios Lekkas, Alessandro Marchini, Nicola Meneghelli, Chow-Choong Ngeow, Michael Primm, Subham Samantaray, Masao Shimizu, George Silvis, Frank Sienkiewicz, Vishwajeet Swain, Joshua Tan, Kalée Tock, Kevin Wagner and Anaël Wünsche
ASTRONOMICAL JOURNAL
2022-11
期刊論文
Zwicky Transient Facility and Globular Clusters: The Period–Luminosity and Period–Wesenheit Relations for Anomalous Cepheids Supplemented with Large Magellanic Cloud Sample
Chow-Choong Ngeow, Anupam Bhardwaj, Matthew J. Graham, Steven L. Groom, Frank J. Masci, and Reed Riddle
ASTRONOMICAL JOURNAL
2022-10
期刊論文
Zwicky Transient Facility and Globular Clusters: Calibration of the gr-band Absolute Magnitudes for the Yellow Post-asymptotic-giant-branch Stars
Chow-Choong Ngeow, Anupam Bhardwaj, Daniel Reiley, Russ R. Laher, Josiah Purdum, and Ben Rusholme
ASTRONOMICAL JOURNAL
2022-10
期刊論文
Zwicky Transient Facility and Globular Clusters: The Period–Luminosity and Period–Wesenheit Relations for Type II Cepheids
Chow-Choong Ngeow, Anupam Bhardwaj, Jing-Yi Henderson, Matthew J. Graham, Russ R. Laher, Michael S. Medford, Josiah Purdum, and Ben Rusholme
ASTRONOMICAL JOURNAL
2022-08
期刊論文
Evaluating the V-band Photometric Metallicity with Fundamental Mode RR Lyrae in the Kepler Field
Chow-Choong Ngeow
ASTRONOMICAL JOURNAL
2022-06
期刊論文
The Large Superfast Rotators Discovered by the Zwicky Transient Facility
Chan-Kao Chang, Ting-Shuo Yeh, HanJie Tan, Wing-Huen Ip, Michael S. P. Kelley, Quanzhi Ye, Zhong-Yi Lin, Chow-Choong Ngeow, Bryce T. Bolin, Thomas. A. Prince, Eric C. Bellm, Richard Dekany, Dmitry A. Duev, Matthew Graham
Astrophysical Journal Letters
2022-05
期刊論文
Difference of Photometric Properties between Regular and Nonregular Miras in the Magellanic Clouds
Jia-Yu Ou, Chow-Choong Ngeow
ASTRONOMICAL JOURNAL
2022-05
期刊論文
Zwicky Transient Facility and Globular Clusters: The RR Lyrae gri-band Period–Luminosity–Metallicity and Period–Wesenheit–Metallicity Relations
Chow-Choong Ngeow, Anupam Bhardwaj, Richard Dekany, Dmitry A. Duev, Matthew J. Graham, Steven L. Groom, Ashish A. Mahabal, Frank J. Masci, Michael S. Medford, Reed Riddle
ASTRONOMICAL JOURNAL
2022-01
期刊論文
First Results on RR Lyrae Stars with the TESS Space Telescope: Untangling the Connections between Mode Content, Colors, and Distances
L. Molnár, A. Bódi, A. Pál, A. Bhardwaj, F–J. Hambsch, J. M. Benkő, A. Derekas, M. Ebadi, M. Joyce, A. Hasanzadeh, K. Kolenberg, M. B. Lund, J. M. Nemec, H. Netzel, C. –C. Ngeow, J. Pepper, E. Plachy, Z. Prudil, R. J. Siverd, M. Skarka, R. Smolec, Á. Sódor, S. Sylla, P. Szabó, R. Szabó, H. Kjeldsen, J. Christensen-Dalsgaard, G. R. Ricker
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
2021-10
期刊論文
AT 2019qyl in NGC 300: Internal Collisions in the Early Outflow from a Very Fast Nova in a Symbiotic Binary
Jacob E. Jencson, Jennifer E. Andrews, Howard E. Bond, Viraj Karambelkar, David J. Sand, Schuyler D. van Dyk, Nadejda Blagorodnova, Martha L. Boyer, Mansi M. Kasliwal, Ryan M. Lau, Shazrene Mohamed, Robert Williams, Patricia A. Whitelock, Rachael C. Amaro, K. Azalee Bostroem, Yize Dong, Michael J. Lundquist, Stefano Valenti, Samuel D. Wyatt, Jamie Burke, Kishalay De, Saurabh W. Jha, Joel Johansson, César Rojas-Bravo, David A. Coulter, Ryan J. Foley, Robert D. Gehrz, Joshua Haislip, Daichi Hiramatsu, D. Andrew Howell, Charles D. Kilpatrick, Frank J. Masci, Curtis McCully, Chow-Choong Ngeow, Yen-Chen Pan, Craig Pellegrino, Anthony L. Piro, Vladimir Kouprianov, Daniel E. Reichart, Armin Rest, Sofia Rest, Nathan Smith
ASTROPHYSICAL JOURNAL
2021-08
期刊論文
Zwicky Transient Facility and Globular Clusters: the Period–Luminosity and Period–Luminosity–Color Relations for Late-type Contact Binaries
Chow-Choong Ngeow, Szu-Han Liao, Eric C. Bellm, Dmitry A. Duev, Matthew J. Graham, Ashish A. Mahabal, Frank J. Masci, Michael S. Medford, Reed Riddle, Ben Rusholme
ASTRONOMICAL JOURNAL
2021-04
期刊論文
HO Puppis: Not a Be Star, but a Newly Confirmed IW And-type Star
Chien-De Lee, Jia-Yu Ou, Po-Chieh Yu Chow-Choong Ngeow, Po-Chieh Huang, Wing-Huen Ip, Franz-Josef Hambsch, Hyun-il Sung, Jan van Roestel, Richard Dekany, Andrew J. Drake, Matthew J. Graham, Dmitry A. Duev, Stephen Kaye, Thomas Kupfer, Russ R. Laher, Frank J. Masci, Przemek Mróz, James D. Neill, Reed Riddle, Ben Rusholme, Richard Walters
ASTROPHYSICAL JOURNAL
2021-04
期刊論文
Time-series and Phase-curve Photometry of the Episodically Active Asteroid (6478) Gault in a Quiescent State Using APO, GROWTH, P200, and ZTF
Josiah N. Purdum, Zhong-Yi Lin Bryce T. Bolin, Kritti Sharma, Philip I. Choi, Varun Bhalerao, Josef Hanuš, Harsh Kumar, Robert Quimby, Joannes C. van Roestel, Chengxing Zhai, Yanga R. Fernandez, Carey M. Lisse, Dennis Bodewits, Christoffer Fremling, Nathan Ryan Golovich, Chen-Yen Hsu, Wing-Huen Ip, Chow-Choong Ngeow, Navtej S. Saini, Michael Shao, Yuhan Yao, Tomás Ahumada, Shreya Anand, Igor Andreoni, Kevin B. Burdge, Rick Burruss, Chan-Kao Chang, Chris M. Copperwheat, Michael Coughlin, Kishalay De, Richard Dekany, Alexandre Delacroix, Andrew Drake, Dmitry Duev, Matthew Graham, David Hale, Erik C. Kool, Mansi M. Kasliwal, Iva S. Kostadinova, Shrinivas R. Kulkarni, Russ R. Laher, Ashish Mahabal, Frank J. Masci, Przemyslaw J. Mróz, James D. Neill, Reed Riddle, Hector Rodriguez, Roger M. Smith, Richard Walters, Lin Yan, Jeffry Zolkower
Astrophysical Journal Letters
2021-03
期刊論文
Initial Characterization of Active Transitioning Centaur, P/2019 LD2 (ATLAS), Using Hubble, Spitzer, ZTF, Keck, Apache Point Observatory, and GROWTH Visible and Infrared Imaging and Spectroscopy
Bryce T. Bolin, Yanga R. Fernandez, Carey M. Lisse, Timothy R. Holt, Zhong-Yi Lin, Josiah N. Purdum, Kunal P. Deshmukh, James M. Bauer, Eric C. Bellm, Dennis Bodewits, Kevin B. Burdge, Sean J. Carey, Chris M. Copperwheat, George Helou, Anna Y. Q. Ho, Jonathan Horner, Jan van Roestel, Varun Bhalerao, Chan-Kao Chang, Christine Chen, Chen-Yen Hsu, Wing-Huen Ip, Mansi M. Kasliwal, Frank J. Masci, Chow-Choong Ngeow, Robert Quimby, Rick Burruss, Michael Coughlin, Richard Dekany, Alexandre Delacroix, Andrew Drake, Dmitry A. Duev, Matthew Graham, David Hale, Thomas Kupfer, Russ R. Laher, Ashish Mahabal, Przemyslaw J. Mróz, James D. Neill, Reed Riddle, Hector Rodriguez, Roger M. Smith, Maayane T. Soumagnac, Richard Walters, Lin Yan, Jeffry Zolkower
ASTRONOMICAL JOURNAL
2021-03
期刊論文
RR Lyrae Variables in Messier 53: Near-infrared Period–Luminosity Relations and the Calibration Using Gaia Early Data Release 3
Anupam Bhardwaj, Marina Rejkuba, Richard de Grijs, Soung-Chul Yang, Gregory J. Herczeg, Marcella Marconi, Harinder P. Singh, Shashi Kanbur, Chow-Choong Ngeow
ASTROPHYSICAL JOURNAL
2021-03
期刊論文
TESS Observations of Cepheid Stars: First Light Results
E. Plachy, A. Pál, A. Bódi, P. Szabó, L. Molnár, L. Szabados, J. M. Benkő, R. I. Anderson, E. P. Bellinger, A. Bhardwaj, M. Ebadi, K. Gazeas, F.-J. Hambsch, A. Hasanzadeh, M. I. Jurkovic, M. J. Kalaee, P. Kervella, K. Kolenberg, P. Mikołajczyk, N. Nardett, J. M. Nemec, H. Netzel, C.-C. Ngeow, D. Ozuyar, J. Pascual-Granado, B. Pilecki, V. Ripepi, M. Skarka, R. Smolec, Á. Sódor, R. Szabó, J. Christensen-Dalsgaard, J. M. Jenkins, H. Kjeldsen, G. R. Ricker, R. Vanderspek
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
2020-12
期刊論文
Kilonova Luminosity Function Constraints Based on Zwicky Transient Facility Searches for 13 Neutron Star Merger Triggers during O3
Mansi M. Kasliwal, et al (including Chow-Choong Ngeow)
ASTROPHYSICAL JOURNAL
2020-11
期刊論文
Near-infrared Census of RR Lyrae Variables in the Messier 3 Globular Cluster and the Period–Luminosity Relations
Anupam Bhardwaj, Marina Rejkuba, Richard de Grijs, Gregory J. Herczeg, Harinder P. Singh, Shashi Kanbur, Chow-Choong Ngeow
ASTRONOMICAL JOURNAL
2020-09
期刊論文
Characterization of Temporarily Captured Minimoon 2020 CD3 by Keck Time-resolved Spectrophotometry
Bryce T. Bolin, Christoffer Fremling, Timothy R. Holt, Matthew J. Hankins, Tomás Ahumada, Shreya Anand, Varun Bhalerao, Kevin B. Burdge, Chris M. Copperwheat, Michael Coughlin, Kunal P. Deshmukh, Kishalay De, Mansi M. Kasliwal, Alessandro Morbidelli, Josiah N. Purdum, Robert Quimby, Dennis Bodewits, Chan-Kao Chang, Wing-Huen Ip, Chen-Yen Hsu, Russ R. Laher, Zhong-Yi Lin, Carey M. Lisse, Frank J. Masci, Chow-Choong Ngeow, Hanjie Tan, Chengxing Zhai, Rick Burruss, Richard Dekany, Alexandre Delacroix, Dmitry A. Duev, Matthew Graham, David Hale, Shrinivas R. Kulkarni, Thomas Kupfer, Ashish Mahabal, Przemyslaw J. Mróz, James D. Neill, Reed Riddle, Hector Rodriguez, Roger M. Smith, Maayane T. Soumagnac, Richard Walters, Lin Yan, Jeffry Zolkower
Astrophysical Journal Letters
2020-07
期刊論文
A Search for Extra-tidal RR Lyrae in Globular Clusters NGC 5024 and NGC 5053
Chow-Choong Ngeow, Justin Belecki, Rick Burruss, Andrew J. Drake, Matthew J. Graham, David L. Kaplan, Thomas Kupfer, Ashish Mahabal, Frank J. Masci, Reed Riddle, Hector Rodriguez, and Ben Rusholme
ASTRONOMICAL JOURNAL
2020-07
期刊論文
Characterization of the Nucleus, Morphology, and Activity of Interstellar Comet 2I/Borisov by Optical and Near-infrared GROWTH, Apache Point, IRTF, ZTF, and Keck Observations
Bryce T. Bolin, Carey M. Lisse, Mansi M. Kasliwal, Robert Quimby, Hanjie Tan, Chris M. Copperwheat, Zhong-Yi Lin, Alessandro Morbidelli, Lyu Abe, Philippe Bendjoya, Kevin B. Burdge, Michael Coughlin, Christoffer Fremling, Ryosuke Itoh, Michael Koss, Frank J. Masci, Syota Maeno, Eric E. Mamajek, Federico Marocco, Katsuhiro Murata, Jean-Pierre Rivet, Michael L. Sitko, Daniel Stern, David Vernet, Richard Walters, Lin Yan, Igor Andreoni, Varun Bhalerao, Dennis Bodewits, Kishalay De, Kunal P. Deshmukh, Eric C. Bellm, Nadejda Blagorodnova, Derek Buzasi, S. Bradley Cenko, Chan-Kao Chang, Drew Chojnowski, Richard Dekany, Dmitry A. Duev, Matthew Graham, Mario Jurić, Shrinivas R. Kulkarni, Thomas Kupfer , Ashish Mahabal, James D. Neill, Chow-Choong Ngeow, Bryan Penprase, Reed Riddle, Hector Rodriguez, Roger M. Smith, Philippe Rosnet, Jesper Sollerman, Maayane T. Soumagnac
ASTRONOMICAL JOURNAL
2020-04
期刊論文
EDEN: Sensitivity Analysis and Transiting Planet Detection Limits for Nearby Late Red Dwarfs
Aidan Gibbs, Alex Bixel, Benjamin V. Rackham, Dániel Apai, Martin Schlecker, Néstor Espinoza, Luigi Mancini, Wen-Ping Chen, Thomas Henning, Paul Gabor, Richard Boyle, Jose Perez Chavez, Allie Mousseau, Jeremy Dietrich, Quentin Jay Socia, Wing Ip, Chow-Choong Ngeow, An-Li Tsai, Asmita Bhandare, Victor Marian, Hans Baehr, Samantha Brown, Maximilian Häberle, Miriam Keppler, Karan Molaverdikhani, and Paula Sarkis
ASTRONOMICAL JOURNAL
2020-02
期刊論文
A Twilight Search for Atiras, Vatiras, and Co-orbital Asteroids: Preliminary Results
Quanzhi Ye, Frank J. Masci, Wing-Huen Ip, Thomas A. Prince, George Helou, Davide Farnocchia, Eric C. Bellm, Richard Dekany, Matthew J. Graham, Shrinivas R. Kulkarni, Thomas Kupfer, Ashish Mahabal, Chow-Choong Ngeow, Daniel J. Reiley, Maayane T. Soumagnac
ASTRONOMICAL JOURNAL
2020-01
期刊論文
Full Orbital Solution for the Binary System in the Northern Galactic Disc Microlensing Event Gaia16aye
L. Wyrzykowski et al (include C.-C. Ngeow)
ASTRONOMY & ASTROPHYSICS
2019-12
期刊論文
Evidence for Late-stage Eruptive Mass Loss in the Progenitor to SN2018gep, a Broad-lined Ic Supernova: Pre-explosion Emission and a Rapidly Rising Luminous Transient
Anna Y. Q. Ho, Daniel A. Goldstein, Steve Schulze, David K. Khatami, Daniel A. Perley, Mattias Ergon, Avishay Gal-Yam, Alessandra Corsi, Igor Andreoni, Cristina Barbarino, Eric C. Bellm, Nadia Blagorodnova, Joe S. Bright, E. Burns, S. Bradley Cenko, Virginia Cunningham, Kishalay De, Richard Dekany, Alison Dugas, Rob P. Fender, Claes Fransson, Christoffer Fremling, Adam Goldstein, Matthew J. Graham, David Hale, Assaf Horesh, Tiara Hung, Mansi M. Kasliwal, N. Paul M. Kuin, S. R. Kulkarni, Thomas Kupfer, Ragnhild Lunnan, Frank J. Masci, Chow-Choong Ngeow, Peter E. Nugent, Eran O. Ofek, Maria T. Patterson, Glen Petitpas, Ben Rusholme, Hanna Sai, Itai Sfaradi, David L. Shupe, Jesper Sollerman, Maayane T. Soumagnac, Yutaro Tachibana, Francesco Taddia, Richard Walters, Xiaofeng Wang, Yuhan Yao, Xinhan Zhang
ASTROPHYSICAL JOURNAL
2019-11
期刊論文
GROWTH on S190425z: Searching Thousands of Square Degrees to Identify an Optical or Infrared Counterpart to a Binary Neutron Star Merger with the Zwicky Transient Facility and Palomar Gattini-IR
Michael W. Coughlin et al (including Chow-Choong Ngeow)
Astrophysical Journal Letters
2019-11
期刊論文
Morphology of the Small Magellanic Cloud using multiwavelength photometry of classical Cepheids
Sukanta Deb, Kerdaris Kurbah, Harinder P. Singh, Shashi M. Kanbur, Chow-Choong Ngeow, Biman J. Medhi, Subhash Kumar
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2019-10
期刊論文
Multiwavelength Period–Luminosity and Period–Luminosity–Color Relations at Maximum Light for Mira Variables in the Magellanic Clouds
Anupam Bhardwaj, Shashi Kanbur, Shiyuan He, Marina Rejkuba, Noriyuki Matsunaga, Richard de Grijs, Kaushal Sharma, Harinder P. Singh, Tapas Baug, Chow-Choong Ngeow, Jia-Yu Ou
ASTROPHYSICAL JOURNAL
2019-09
期刊論文
A New Class of Changing-look LINERs
Sara Frederick, Suvi Gezari, Matthew J. Graham, S. Bradley Cenko, Sjoert van Velzen, Daniel Stern, Nadejda Blagorodnova, Shrinivas R. Kulkarni, Lin Yan, Kishalay De, U. Christoffer Fremling, Tiara Hung, Erin Kara, David L. Shupe, Charlotte Ward, Eric C. Bellm, Richard Dekany, Dmitry A. Duev, Ulrich Feindt, Matteo Giomi, Thomas Kupfer, Russ R. Laher, Frank J. Masci, Adam A. Miller, James D. Neill, Chow-Choong Ngeow, Maria T. Patterson, Michael Porter, Ben Rusholme, Jesper Sollerman, Richard Walters
ASTROPHYSICAL JOURNAL
2019-08
研討會論文
Multiwavelength Light-Curve Analysis of Cepheid Variables
A. Bhardwaj, S. M. Kanbur, M. Marconi, H. P. Singh, M. Rejkuba, C-C. Ngeow
2019-08
研討會論文
Near-Infrared Observations of OGLE Classical and Type II Cepheid Variables in the LMC
A. Bhardwaj, L. M. Macri, S. M. Kanbur, C.-C. Ngeow, H. P. Singh
2019-07
期刊論文
The Zwicky Transient Facility: Science Objectives
Matthew J. Graham, S. R. Kulkarni, Eric C. Bellm, Scott M. Adams, Cristina Barbarino, Nadejda Blagorodnova, Dennis Bodewits, Bryce Bolin, Patrick R. Brady, S. Bradley Cenko, Chan-Kao Chang, Michael W. Coughlin, Kishalay De, Gwendolyn Eadie, Tony L. Farnham, Ulrich Feindt, Anna Franckowiak, Christoffer Fremling, Suvi Gezari, Shaon Ghosh, Daniel A. Goldstein, V. Zach Golkhou, Ariel Goobar, Anna Y. Q. Ho, Daniela Huppenkothen, Željko Ivezić, R. Lynne Jones, Mario Juric, David L. Kaplan, Mansi M. Kasliwal, Michael S. P. Kelley, Thomas Kupfer, Chien-De Lee, Hsing Wen Lin, Ragnhild Lunnan, Ashish A. Mahabal1, Adam A. Miller, Chow-Choong Ngeow, et al
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2019-07
期刊論文
Toward Efficient Detection of Small Near-Earth Asteroids Using the Zwicky Transient Facility (ZTF)
Quanzhi Ye, Frank J. Masci, Hsing Wen Lin, Bryce Bolin, Chan-Kao Chang, Dmitry A. Duev, George Helou, Wing-Huen Ip, David L. Kaplan, Emily Kramer, Ashish Mahabal, Chow-Choong Ngeow, Avery J. Nielsen, Thomas A. Prince, Hanjie Tan, Ting-Shuo Yeh, Eric C. Bellm, Richard Dekany, Matteo Giomi, Matthew J. Graham, Shrinivas R. Kulkarni, Thomas Kupfer, Russ R. Laher, Ben Rusholme, David L. Shupe, Charlotte Ward
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2019-06
期刊論文
The Zwicky Transient Facility: Surveys and Scheduler
Eric C. Bellm, Shrinivas R. Kulkarni, Tom Barlow, Ulrich Feindt, Matthew J. Graham, Ariel Goobar, Thomas Kupfer, Chow-Choong Ngeow, Peter Nugent, Eran Ofek, Thomas A. Prince, Reed Riddle10 Richard Walters, Quan-Zhi Ye
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2019-06
研討會論文
Introducing the Zwicky Transient Facility and the Be star variability program: a progress report at the National Central University
C-C Ngeow, C-D Lee, P-C Yu, F Masci, R Laher, T Kupfer, V Z Golkhou
2019-03
期刊論文
The fast, luminous ultraviolet transient AT2018cow: extreme supernova, or disruption of a star by an intermediate-mass black hole?
Daniel A. Perley, Paolo A. Mazzali, Lin Yan, Bradley Cenko, Suvi Gezari, Kirsty Taggart, Nadia Blagorodnova, Christoffer Fremling, Brenna Mockler, Avinash Singh, Nozomu Tominaga, Masaomi Tanaka, Alan M. Watson, Tomas Ahumada, G. C. Anupama, Chris Ashall, Rosa L. Becerra, David Bersier, Varun Bhalerao, Joshua S. Bloom, Nathaniel R. Butler, Chris Copperwheat, Michael W. Coughlin, Kishalay De, Andrew J. Drake, Dmitry A. Duev, Sara Frederick, J. Jesus Gonzalez, Ariel Goobar, Marianne Heida, Anna Y. Q. Ho, John Horst, Tiara Hung, Ryosuke Itoh, Jacob E. Jencson, Mansi M. Kasliwal, Nobuyuki Kawai, Tanazza Khanam, Shrinivas R. Kulkarni, Brajesh Kumar, Harsh Kumar, Alexander S. Kutyrev, William H. Lee, Keiichi Maeda, Ashish Mahabal, Katsuhiro L. Murata, James D. Neill, Chow-Choong Ngeow, et al.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2019-02
期刊論文
2012 TC4 - An Unusual Fast-Rotating PHA with C-Type Taxonomy
Zhong-Yi Lin, Wing-Huen Ip, Chow-Choong Ngeow
Planetary and Space Science
2019-01
期刊論文
The Lin–Shu type density–wave structure of the Galaxy: Line-of-sight velocities of selected 37354 RAVE DR5 stars
SN 2017ens: The Metamorphosis of a Luminous Broadlined Type Ic Supernova into an SN IIn
T.-W. Chen, C. Inserra, M. Fraser, T. J. Moriya, P. Schady, T. Schweyer, A. V. Filippenko, D. A. Perley, A. J. Ruiter, I. Seitenzahl, J. Sollerman, F. Taddia, J. P. Anderson, R. J. Foley, A. Jerkstrand, C.-C. Ngeow, Y.-C. Pan, A. Pastorello, S. Points, S. J. Smartt, K. W. Smith, S. Taubenberger, P. Wiseman, D. R. Young, S. Benetti, M. Berton, F. Bufano, P. Clark, M. Della Valle, L. Galbany, A. Gal-Yam, M. Gromadzki, C. P. Gutiérrez, A. Heinze, E. Kankare, C. D. Kilpatrick, H. Kuncarayakti, G. Leloudas, Z.-Y. Lin, K. Maguire, P. Mazzali, O. McBrien, S. J. Prentice, A. Rau, A. Rest, M. R. Siebert, B. Stalder, J. L. Tonry, P.-C. Yu
Astrophysical Journal Letters
2018-11
研討會論文
Large Magellanic Cloud Near-Infrared Synoptic Survey (LMCNISS): Overview and Science Highlights for Classical and Type-II Cepheids
Chow-Choong Ngeow, Anupam Bhardwaj, Lucas M. Macri, Shashi M. Kanbur
2018-08
期刊論文
Geometry of the Large Magellanic Cloud using Multiwavelength Photometry of Classical Cepheids
Sukanta Deb, Chow-Choong Ngeow, Shashi M. Kanbur, Harinder P. Singh, Daniel Wysocki, Subhash Kumar
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2018-07
期刊論文
The Dark Energy Survey Image Processing Pipeline
E. Morganson, R. A. Gruendl, F. Menanteau, M. Carrasco Kind, Y.-C. Chen, G. Daues, A. Drlica-Wagner, D. N. Friedel, M. Gower, M. W. G. Johnson, M. D. Johnson, R. Kessler, F. Paz-Chinchón, D. Petravick, C. Pond, B. Yanny, S. Allam, R. Armstrong, W. Barkhouse, K. Bechtol, A. Benoit-Lévy, G. M. Bernstein, E. Bertin, E. Buckley-Geer, R. Covarrubias, S. Desai, H. T. Diehl, D. A. Goldstein, D. Gruen, T. S. Li, H. Lin, J. Marriner, J. J. Mohr, E. Neilsen, C.-C. Ngeow, K. Paech, E. S. Rykoff, M. Sako, I. Sevilla-Noarbe, E. Sheldon, F. Sobreira, D. L. Tucker, W. Wester
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2018-06
研討會論文
A Brief Overview of the Palomar Transient Factory (PTF) and Recent Progress of PTF-RRL Program at the National Central University
Chow-Choong Ngeow
2018-04
研討會論文
G-Band Period-Luminosity Relation For Galactic Cepheids Based on Gaia DR1 Measurements
Chow-Choong Ngeow, Anupam Bhardwaj, Shashi M. Kanbur
2018-03
期刊論文
The SED Machine: A Robotic Spectrograph for Fast Transient Classification
Nadejda Blagorodnova, James D. Neill, Richard Walters, Shrinivas R. Kulkarni, Christoffer Fremling, Sagi Ben-Ami, Richard G. Dekany, Jason R. Fucik, Nick Konidaris, Reston Nash, Chow-Choong Ngeow, Eran O. Ofek, Donal O' Sullivan, Robert Quimby, Andreas Ritter, Karl E. Vyhmeister
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2018-02
期刊論文
Searching for Be Stars in the Open Clusters with PTF/iPTF. I. Cluster Sample and Be Star Candidates
Illuminating gravitational waves: A concordant picture of photons from a neutron star merger
M. M. Kasliwal et al (include Chow-Choong Ngeow)
Science
2017-10
期刊論文
Large Magellanic Cloud Near-Infrared Synoptic Survey. V. Period-Luminosity Relations of Miras
Wenlong Yuan, Lucas M. Macri, Shiyuan He, Jianhua Z. Huang, Shashi M. Kanbur, Chow-Choong Ngeow
ASTRONOMICAL JOURNAL
2017-10
期刊論文
Multi-messenger Observations of a Binary Neutron Star Merger
LIGO Scientific Collaboration and Virgo Collaboration et al (include Chow-Choong Ngeow)
Astrophysical Journal Letters
2017-09
期刊論文
Long-term Periodicities of Cataclysmic Variables with Synoptic Surveys
Michael Ting-Chang Yang, Yi Chou, Chow-Choong Ngeow, Chin-Ping Hu, Yi-Hao Su, Thomas A. Prince, Shrinivas R. Kulkarni, David Levitan, Russ Laher, Jason Surace, Andrew J. Drake, Stanislav G. Djorgovski, Ashish A. Mahabal, Matthew J. Graham, Ciro Donalek
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2017-09
研討會論文
Applying survival analysis on the Cepheid period-luminosity relation at 70 μm
Chow-Choong Ngeow
2017-09
研討會論文
Multiwavelength light curve parameters of Cepheid variables
Anupam Bhardwaj, Shashi M. Kanbur, Marcella Marconi, Marina Rejkuba, Harinder P. Singh, Chow-Choong Ngeow
2017-09
研討會論文
Pulsating star products from the Palomar Transient Factory: Ultra-long period Cepheids in M31 and RR Lyrae in Kepler field
Chow-Choong Ngeow
2017-07
期刊論文
The nearby spiral density-wave structure of the Galaxy: Line-of-sight and longitudinal velocities of 61 masers
E. Griv, I.-G. Jiang, L.-G. Hou, C.-C. Ngeow
ASTRONOMISCHE NACHRICHTEN
2017-06
研討會論文
Limiting magnitudes and night sky brightness at the Langkawi National Observatory based on observations of standard stars
C-C Ngeow, S-C Luo
2017-04
期刊論文
A Comparative Study of Multiwavelength Theoretical and Observed Light Curves of Cepheid Variables
Anupam Bhardwaj, Shashi M. Kanbur, Marcella Marconi, Marina Rejkuba,
Harinder P. Singh, Chow-Choong Ngeow
Monthly Notices of the Royal Astronomical Society
2017-04
期刊論文
Large Magellanic Cloud Near-infrared Synoptic Survey. IV. Leavitt Laws for Type II Cepheid Variables
Anupam Bhardwaj, Lucas M. Macri, Marina Rejkuba, Shashi M. Kanbur, Chow-Choong Ngeow, Harinder P. Singh
ASTRONOMICAL JOURNAL
2017-02
期刊論文
The nearby spiral density-wave structure of the Galaxy: line-of-sight and longitudinal velocities of 223 Cepheids
iPTF Discovery of the Rapid “Turn-on” of a Luminous Quasar
S. Gezari, T. Hung, S. B. Cenko, N. Blagorodnova, Lin Yan, S. R. Kulkarni, K. Mooley, A. K. H. Kong, T. M. Cantwell, P. C. Yu, Y. Cao11, C. Fremling, J. D. Neill, C.-C. Ngeow, P. E. Nugent, P. Wozniak
ASTROPHYSICAL JOURNAL
2017-01
期刊論文
Period-Color and Amplitude-Color Relations at Maximum and Minimum Light for RR Lyrae Stars in the SDSS Stripe 82 Region
Chow-Choong Ngeow, Shashi M. Kanbur, Anupam Bhardwaj, Zachariah Schrecengost, Harinder P. Singh
ASTROPHYSICAL JOURNAL
2016-12
期刊論文
RZ Leonis Minoris bridging between ER Ursae Majoris-type dwarf nova and nova-like system
Taichi Kato, Ryoko Ishioka, Keisuke Isogai, Mariko Kimura, Akira Imada, Ian Miller, Kazunari Masumoto, Hirochika Nishino, Naoto Kojiguchi, Miho Kawabata, Daisuke Sakai, Yuki Sugiura, Hisami Furukawa, Kenta Yamamura, Hiroshi Kobayashi, Katsura Matsumoto, Shiang-Yu Wang, Yi Chou, Chow-Choong Ngeow, Wen-Ping Chen, Neelam Panwar, Chi-Sheng Lin, Hsiang-Yao Hsiao, Jhen-Kuei Guo, Chien-Cheng Lin, Chingis Omarov, Anatoly Kusakin, Maxim Krugov, Donn R. Starkey, Elena P. Pavlenko, Kirill A. Antonyuk, Aleksei A. Sosnjvskij, Oksana I. Antonyuk, Nikolai V. Pit, Alex V. Baklanov, Julia V. Babina, Hiroshi Itoh, Stefano Padovan, Hidehiko Akazawa, Stella Kafka, Enrique de Miguel, Roger D. Pickard, Seiichiro Kiyota, et al.
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2016-12
期刊論文
The Palomar Transient Factory and RR Lyrae: The Metallicity–Light Curve Relation Based on ab-type RR Lyrae in the Kepler Field
Chow-Choong Ngeow, Po-Chieh Yu, Eric Bellm, Ting-Chang Yang, Chan-Kao Chang, Adam Miller, Russ Laher, Jason Surace, and Wing-Huen Ip
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
2016-11
研討會論文
Searching for Be Stars in the Open Cluster NGC 663
Lee, C. D.; Yu, P. C.; Lin, C. C.; Chen, W. P.; Ip, W. H.; Ngeow, C. C.; Laher, R.; Surace, J.; Kulkarni, S. R.
2016-07
研討會論文
Comparison of multi-band period-luminosity relations for classical Cepheids in the Magellanic Clouds
Chow-Choong Ngeow, Shashi Kanbur
2016-06
期刊論文
Discovery of an X-Ray-emitting Contact Binary System 2MASS J11201034−2201340
Chin-Ping Hu, Ting-Chang Yang, Yi Chou, L. Liu, S.-B. Qian, C. Y. Hui, Albert K. H. Kong, L. C. C. Lin, P. H. T. Tam, K. L. Li, Chow-Choong Ngeow, W. P. Chen, Wing-Huen Ip
ASTRONOMICAL JOURNAL
2016-06
期刊論文
Period–Luminosity relations derived from the OGLE-III first-overtone mode Cepheids in the Magellanic Clouds
Anupam Bhardwaj, Chow-Choong Ngeow, Shashi M. Kanbur, Harinder P. Singh
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2016-05
期刊論文
Be Stars in the Open Cluster NGC 6830
Po-Chieh Yu, Chien-Cheng Lin, Hsing-Wen Lin, Chien-De Lee, Nick Konidaris, Chow-Choong Ngeow, Wing-Huen Ip, Wen-Ping Chen, Hui-Chen Chen, Matthew A. Malkan, Chan-Kao Chang, Russ Laher, Li-Ching Huang, Yu-Chi Cheng, Rick Edelson, Andreas Ritter, Robert Quimby, Sagi Ben-Ami, Eran. O. Ofek, Jason Surace, Shrinivas R. Kulkarni
ASTRONOMICAL JOURNAL
2016-05
研討會論文
Period-color and amplitude-color relations for RR Lyrae
stars
Shashi Kanbur, Anupam Bhardwaj, H. P. Singh, C. C. Ngeow
2016-05
研討會論文
RR Lyrae stars in the SDSS Stripe 82 region: period-color
and amplitude-color relations
Large Magellanic Cloud Near-Infrared Synoptic Survey – III. A statistical study of non-linearity in the Leavitt Laws
Anupam Bhardwaj, Shashi M. Kanbur, Lucas M. Macri, Harinder P. Singh, Chow-Choong Ngeow, Emille Ishida
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2016-04
期刊論文
Large Magellanic Cloud Near-infrared Synoptic Survey. II. The Wesenheit Relations and Their Application to the Distance Scale
Anupam Bhardwaj, Shashi M. Kanbur, Lucas M. Macri, Harinder P. Singh, Chow-Choong Ngeow, R. Wagner-Kaiser, Ata Sarajedini
Astronomical Journal
2015-11
期刊論文
Updated 24micron Period-Luminosity Relation Derived from Galactic Cepheids
Chow-Choong Ngeow, Saurjya Sarkar, Anupam Bhardwaj, Shashi M. Kanbur, Harinder P. Singh
Astrophysical Journal
2015-10
研討會論文
Metallicity-Light Curve Relation for RR Lyrae in Kepler Field Based on the PTF Public Released Data
Chow-Choong Ngeow
2015-09
研討會論文
Application of Cepheids to Distance Scale: Extending to Ultra-Long Period Cepheids
Chow-Choong Ngeow
2015-09
研討會論文
Ground-Based BVRI Time-Series Follow-Up Observations for the RR Lyrae stars in Kepler Field
Young-Beom Jeon, Chow-Choong Ngeow, James M. Nemec
2015-09
研討會論文
Introducing tlc_S05: A Code to Fit Cepheid JHK Band Light Curves Using A Template Approach
Chow-Choong Ngeow, Shashi Kanbur
2015-08
期刊論文
Asteroid Spin-Rate Study using the Intermediate Palomar Transient Factory
Chan-Kao Chang, Wing-Huen Ip, Hsing-Wen Lin, Yu-Chi Cheng, Chow-Choong Ngeow, Ting-Chang Yang, Adam Waszczak, Shrinivas R. Kulkarni, David Levitan, Branimir Sesar, Russ Lahe, Jason Surace, Thomas. A. Prince
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
2015-07
期刊論文
Period-Luminosity Relations Derived From the OGLE-III Fundamental Mode Cepheids II: The Small Magellanic Cloud Cepheids
Chow-Choong Ngeow, Shashi M. Kanbur, Anupam Bhardwaj, Harinder P. Singh
ASTROPHYSICAL JOURNAL
2015-04
期刊論文
LARGE MAGELLANIC CLOUD NEAR-INFRARED SYNOPTIC SURVEY. I. CEPHEID VARIABLES AND THE CALIBRATION OF THE LEAVITT LAW
Lucas M. Macri, Chow-Choong Ngeow, Shashi M. Kanbur, Salma Mahzooni, Michael T. Smitka
Astronomical Journal
2015-03
期刊論文
Kepler photometry of RRc stars: peculiar double-mode pulsations and period doubling
P. Moskalik, R. Smolec, K. Kolenberg, L. Molnar, D. W. Kurtz, R. Szabo, J. M. Benko, J. M. Nemec, M. Chadid, E. Guggenberger, C.-C. Ngeow, Y.-B. Jeon, G. Kopacki, S. M. Kanbur
Monthly Notices of the Royal Astronomical Society
2015-03
期刊論文
On the variation of Fourier parameters for Galactic and LMC Cepheids at optical, near-infrared and mid-infrared wavelengths
Anupam Bhardwaj, Shashi M. Kanbur, Harinder P. Singh, Lucas M. Macri, and Chow-Choong Ngeow
Monthly Notices of the Royal Astronomical Society
2015-02
期刊論文
SEARCHING FOR Be STARS IN THE OPEN CLUSTER NGC 663
P. C. Yu, C. C. Lin, W. P. Chen, C. D. Lee, W. H. Ip,
C. C. Ngeow, Russ Laher, Jason Surace, Shrinivas R. Kulkarni
Astronomical Journal
2015-02
期刊論文
VI-BAND FOLLOW-UP OBSERVATIONS OF ULTRA-LONG-PERIOD CEPHEID CANDIDATES IN M31
Chow-Choong Ngeow, Chien-Hsiu Lee, Michael Ting-Chang Yang, Chi-Sheng Lin, Hsiang-Yao Hsiao, Yu-Chi Cheng, Zhong-Yi Lin, I-Ling Lin, Shashi M. Kanbur, Wing-Huen Ip
Astronomical Journal
2014-12
期刊論文
Empirical period–colour and amplitude–colour relations for Classical Cepheids and RR Lyrae variables
Anupam Bhardwaj; Shashi M. Kanbur; Harinder P. Singh; Chow-Choong Ngeow
Monthly Notices of the Royal Astronomical Society
2014-12
期刊論文
Evidence for photometric contamination in key observations of Cepheids in the benchmark galaxy IC 1613
Majaess, D., Turner, D. G., Gieren, W., Ngeow, C.-C.
Astronomy & Astrophysics
2014-08
研討會論文
Are There Any Ultra-Long Period Cepheids in M31?
Chien-Hsiu Lee, Chow-Choong Ngeow, and PTF Collaboration
2014-06
期刊論文
313 New Asteroid Rotation Periods from Palomar Transient Factory Observations
Chan-Kao Chang, Wing-Huen Ip, Hsing-Wen Lin, Yu-Chi Cheng, Chow-Choong Ngeow, Ting-Chang Yang, Adam Waszczak, Shrinivas R. Kulkarni, David Levitan, Branimir Sesar, Russ Laher, Jason Surace, Thomas. A. Prince, and the PTF Team
Astrophysical Journal
2014-05
期刊論文
The Spiral Density-Wave Structure of Our Own Galaxy as Traced by Open Clusters: Least-Squares Analysis of Line-of-Sight Velocities
The Taiwanese-American Occultation Survey Project Stellar Variability. III. Detection of 58 New Variable Stars
R. Ishioka, S.-Y. Wang, Z.-W. Zhang, M. J. Lehner, C. Alcock, T. Axelrod, F. B. Bianco, Y.-I. Byun, W. P. Chen, K. H. Cook, D.-W. Kim, S.-K. King, T. Lee, S. L. Marshall, P. Protopapas, J. A. Rice, M. E. Schwamb, J.-H. Wang, C.-Y. Wen, C.-C. Ngeow
Astronomical Journal
2014-03
研討會論文
The SED Machine --- Fast classification of transient objects
A. Ritter, C.-C. Ngeow, N. Konidaris, R. Quimby, S. Ben-Ami
2014-02
研討會論文
Asteroseismology, Standard Candles and the Hubble Constant: What is the Role of Asteroseismology in the Era of Precision Cosmology?
Hilding R. Neilson, Marek Biesiada, Nancy Remage Evans, Marcella Marconi, Chow-Choong Ngeow & Daniel Reese
2014-02
研討會論文
Distance Determination from the Cepheids and RR Lyrae Period-Luminosity Relations
Chow-Choong Ngeow, Wolfgang Gieren & Christopher Klein
2014-02
研討會論文
Ground-based Photometry for 42 Kepler-Field RR Lyrae Stars
Young-Beom Jeon, Chow-Choong Ngeow & James Nemec
2014-01
研討會論文
The SED Machine - Fast classification of transient objects
Andreas Ritter, N. Konidaris, C. C. Ngeow, R. Quimby
and S. Ben-Ami
2013-09
研討會論文
Preliminary Analysis of ULPC Light Curves Using
Fourier Decomposition Technique
Chow-Choong Ngeow, Scott Lucchini, Shashi Kanbur, Brittany Barrett and Bin Lin
2013-09
研討會論文
Using the Palomar Transient Factory to Search for
Ultra-Long-Period Cepheid Candidates in M31
Chien-Hsiu Lee, Chow-Choong Ngeow, Michael Ting-Chang Yang, Wing-Huen Ip, Albert Kwok-Hing Kong, Russ R. Laher and Jason Surace
2013-08
期刊論文
Fitting the Lin–Shu-type density-wave theory for our own Galaxy
Evgeny Griv, Chow-Choong Ngeow, Ing-Guey Jiang
Monthly Notices of the Royal Astronomical Society
2013-06
研討會論文
Improving Period Search for Pulsating Variables by Combining V I Band Light Curves
D.-C. Chang, C.-C. Ngeow and W.-P. Chen
2013-06
研討會論文
Period-Luminosity Relations For Magellanic Clouds Cepheids Based on OGLE-III Data: A Comparison
C.-C. Ngeow
2013-06
研討會論文
Statistical Tests for the Metallicity Dependency of the Synthetic Cepheid Period-Luminosity Relations in IRAC Bands
Properties of M31. II. A Cepheid Disk Sample Derived from the First Year of PS1 PAndromeda Data
Mihael Kodric, Arno Riffeser, Ulrich Hopp, Stella Seitz, Johannes Koppenhoefer, Ralf Bender, Claus Goessl, Jan Snigula, Chien-Hsiu Lee, Chow-Choong Ngeow, K. C. Chambers, E.A. Magnier,
P. A. Price, W. S. Burgett, K. W. Hodapp, N. Kaiser, and R.-P. Kudritzki
Astronomical Journal
2013-02
研討會論文
The SED Machine: A Spectrograph to Efficiently Classify Transient Events Discovered by PTF
Chow-Choong Ngeow, Nick Konidaris, Robert Quimby, Andreas Ritter, Alexander R. Rudy, Edward Lin and Sagi Ben-Ami
2013-02
研討會論文
Wesenheit function for Galactic Cepheids:
Application to the projection factors
Chow-Choong Ngeow, Hilding Neilson, Nicolas Nardetto, Massimo Marengo
2013---
研討會論文
A Testimator Approach to Detecting Heteroskedasticity in the Cepheid PL Relation
S.M. Kanbur, A. Nanthakumar, and C.C. Ngeow
2013-
研討會論文
Synthetic Cepheid Period–Luminosity and Period–Color Relations in Spitzer’s IRAC Bands
C.-C. Ngeow, M. Marconi, I. Musella, M. Cignoni, M. Marengo, and S.M. Kanbur
2012-09
期刊論文
Period-luminosity relations for Cepheid variables: from mid-infrared to multi-phase
Chow-Choong Ngeow, Shashi M. Kanbur, Earl P. Bellinger, Marcella Marconi, Ilaria Musella, Michele Cignoni & Ya-Hong Lin
Astrophysics and Space Science
2012-09
期刊論文
The Blanco Cosmology Survey: Data Acquisition, Processing, Calibration, Quality Diagnostics, and Data Release
S. Desai, R. Armstrong, J. J. Mohr, D. R. Semler, J. Liu, E. Bertin, S. S. Allam, W. A. Barkhouse, G. Bazin, E. J. Buckley-Geer, M. C. Cooper, S. M. Hansen, F. W. High, H. Lin, Y.-T. Lin, C.-C. Ngeow, A. Rest, J. Song, D. Tucker, and A. Zenteno
The Astrophysical Journal
2012-09
研討會論文
The SED Machine: a dedicated transient IFU spectrograph
Sagi Ben-Ami, Nick Konidaris, Robert Quimby, Jack T. Davis, Chow-Choong Ngeow, Andreas Ritter, Alexander Rudy
2012-07
期刊論文
Calibrating the projection factor for Galactic Cepheids
C.-C. Ngeow, H. R. Neilson, N. Nardetto and M. Marengo
Astronomy & Astrophysics
2012-07
期刊論文
The complex case of V445 Lyr observed with Kepler: two Blazhko modulations, a non-radial mode, possible triple mode RR Lyrae pulsation, and more
Guggenberger, E., Kolenberg, K., Nemec, J. M., Smolec, R., Benkő, J. M., Ngeow, C.-C., Cohen, J. G., Sesar, B., Szabó, R., Catelan, M., Moskalik, P., Kinemuchi, K., Seader, S. E., Smith, J. C., Tenenbaum, P. & Kjeldsen, H.
Monthly Notices of the Royal Astronomical Society
2012-05
期刊論文
Cepheid limb darkening, angular diameter corrections, and projection factor from static spherical model stellar atmospheres
Neilson, H. R., Nardetto, N., Ngeow, C.-C., Fouqué, P., Storm, J.
Astronomy & Astrophysics
2012-03
期刊論文
On the Application of Wesenheit Function in Deriving Distance to Galactic Cepheids
Chow-Choong Ngeow
The Astrophysical Journal
2012-02
期刊論文
Period-luminosity relations for Small Magellanic Cloud Cepheid based on AKARI archival data
Ngeow, Chow-Choong; Citro, Danielle M.; Kanbur, Shashi M.
Monthly Notices of the Royal Astronomical Society
2012-02
期刊論文
Theoretical Cepheid Period-Luminosity and Period-Color Relations in Spitzer IRAC Bands
The XMM-BCS galaxy cluster survey. I. The X-ray selected cluster catalog from the initial 6 deg2
Šuhada, R.; Song, J.; Böhringer, H.; Mohr, J. J.; Chon, G.; Finoguenov, A.; Fassbender, R.; Desai, S.; Armstrong, R.; Zenteno, A.; Barkhouse, W. A.; Bertin, E.; Buckley-Geer, E. J.; Hansen, S. M.; High, F. W.; Lin, H.; Mühlegger, M.; Ngeow, C. C.; Pierini, D.; Pratt, G. W.; Verdugo, M.; Tucker, D. L.
Astronomy & Astrophysics
2011-11
期刊論文
The Serendipitous Observation of a Gravitationally Lensed Galaxy at z = 0.9057 from the Blanco Cosmology Survey: The Elliot Arc
Buckley-Geer, E. J.; Lin, H.; Drabek, E. R.; Allam, S. S.; Tucker, D. L.; Armstrong, R.; Barkhouse, W. A.; Bertin, E.; Brodwin, M.; Desai, S.; Frieman, J. A.; Hansen, S. M.; High, F. W.; Mohr, J. J.; Lin, Y.-T.; Ngeow, C.-C.; Rest, A.; Smith, R. C.; Song, J.; Zenteno, A.
The Astrophysical Journal
2011-08
研討會論文
The Galactic Oosterhoff Dichotomy in terms of Period-Color Relations at Maximum/Minimum Light
Sashi Kanbur; Ata Sarajedini; Karen Kinemuchi; Roger Cohen; Chow-Choong Ngeow
2011-06
期刊論文
A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters
Zenteno, A.; Song, J.; Desai, S.; Armstrong, R.; Mohr, J. J.; Ngeow, C.-C.; Barkhouse, W. A.; Allam, S. S.; Andersson, K.; Bazin, G.; Benson, B. A.; Bertin, E.; Brodwin, M.; Buckley-Geer, E. J.; Hansen, S. M.; High, F. W.; Lin, H.; Lin, Y.-T.; Liu, J.; Rest, A.; Smith, R. C.; Stalder, B.; Stark, A. A.; Tucker, D. L.; Yang, Y.
Astrophysical Journal
2011-06
期刊論文
Cepheid investigations using the Kepler space telescope
Szabó, R.; Szabados, L.; Ngeow, C.-C.; Smolec, R.; Derekas, A.; Moskalik, P.; Nuspl, J.; Lehmann, H.; Fzrész, G.; Molenda-Zakowicz, J.; Bryson, S. T.; Henden, A. A.; Kurtz, D. W.; Stello, D.; Nemec, J. M.; Benko, J. M.; Berdnikov, L.; Bruntt, H.; Evans, N. R.; Gorynya, N. A.; Pastukhova, E. N.; Simcoe, R. J.; Grindlay, J. E.; Los, E. J.; Doane, A.; Laycock, S. G.; Mink, D. J.; Champine, G.; Sliski, A.; Handler, G.; Kiss, L. L.; Kolláth, Z.; Kovács, J.; Christensen-Dalsgaard, J.; Kjeldsen, H.; Allen, C.; Thompson, S. E.; van Cleve, J.
Monthly Notice of the Royal Astronomical Society
2011-06
期刊論文
Discovery of Variable Stars in the Field of the Galactic Open Cluster NGC 7039
Publications of the Astronomical Society of the Pacific
2010-11
期刊論文
A multi-site campaign to detect the transit of the second planet in HAT-P-13
Szabó, Gy. M.; Kiss, L. L.; Benko, J. M.; Mezo, Gy.; Nuspl, J.; Regály, Zs.; Sárneczky, K.; Simon, A. E.; Leto, G.; Zanmar Sanchez, R.; Ngeow, C.-C.; Kovári, Zs.; Szabó, R.
Astronomy & Astrophysics
2010-11
期刊論文
Optical Redshift and Richness Estimates for Galaxy Clusters Selected with the Sunyaev-Zel’dovich Effect from 2008 South Pole Telescope Observations
High, F. W. et al (71 co-authors, including Ngeow C.-C.)
Astrophysical Journal
2010-10
期刊論文
Cepheid period–luminosity relation from the AKARI observations
Chow-Choong Ngeow, Yoshifusa Ita, Shashi M. Kanbur, Hilding Neilson, Takashi Onaka and Daisuke Kato
Monthly Notices of the Royal Astronomical Society
2010-10
期刊論文
Galaxy Clusters Selected with the Sunyaev-Zel'dovich Effect from 2008 South Pole Telescope Observations
K. Vanderlinde et al. (59 co-authors, including C.-C. Ngeow)
The Astrophysical Journal
2010-10
期刊論文
Period–colour and amplitude–colour relations in classical Cepheid variables – VI. New challenges for pulsation models
Shashi M. Kanbur, M. Marconi, C.-C. Ngeow, I. Musella, M. Turner, A. James, S. Magin & J. Halsey
Monthly Notices of the Royal Astronomical Society
2010-09
期刊論文
Approximating RR Lyrae light curves using cubic polynomials
S. Reyner, S. M. Kanbur, C.-C. Ngeow and C. Morgan
Monthly Notices of the Royal Astronomical Society
2010-09
期刊論文
The Mid-infrared Period-Luminosity Relations for the Small Magellanic Cloud Cepheids Derived from Spitzer Archival Data
Chow-Choong Ngeow; Shashi M. Kanbur
The Astrophysical Journal
2010-06
期刊論文
Testing Mass Loss in Large Magellanic Cloud Cepheids using Infrared and Optical Observations. II. Predictions and Tests of the OGLE-III Fundamental-mode Cepheids
Hilding R. Neilson, Chow-Choong Ngeow, Shashi M. Kanbur and John B. Lester
The Astrophysical Journal
2009-12
期刊論文
Measurement for the Gain and Readout Noise of CCD Camera PI 1300B at Different Temperatures in Lulin Observatory
Galaxy Clusters Discovered with a Sunyaev-Zel'dovich Effect Survey
Z. Staniszewski et al. (44 co-authors, including C.-C. Ngeow)
The Astrophysical Journal
2009-03
期刊論文
Period-Luminosity Relations Derived from the OGLE-III Fundamental Mode Cepheids
Ngeow, C.-C., Kanbur, S., Neilson, H., Nanthakumar, A. & Buonaccorsi, J.
Astrophysical Journal
2009-02
期刊論文
Testing Mass Loss in Large Magellanic Cloud Cepheids using Infrared and Optical Observations
Neilson, H., Ngeow, C.-C., Kanbur, S. & Lester, J.
Astrophysical Journal
2008-07
期刊論文
The Dark Energy Survey Data Management System
Mohr, J.*, Adams, D., Barkhouse, W., Beldica, C., Bertin, E., Cai, D., da Costa, L., Darnell, A., Dause, G., Jarvis, M., Gower, M., Lin, H., Martelli, L., Neilsen, E., Ngeow, C.-C., Ogando, R., Parge, A., Sheldon, E., Tucker, D., Kuropatkin, N. & Stoughton, C.
Observatory Operations: Strategies, Processes, and Systems II
2008-05
期刊論文
The Period-Luminosity Relation for the Large Magellanic Cloud Cepheids from Spitzer Archival Data
Ngeow*, C.-C. & Kanbur, S.
Astrophysical Journal
2008-01
期刊論文
Testing the Non-Linearity of the BVIcJHKs Period-Luminosity Relations for the Large Magellanic Cloud Cepheids
Ngeow*, C.-C., Kanbur, S. & Nanthakumar, A.
Astronomy & Astrophysics
2007-10
期刊論文
The Detailed Form of the LMC Cepheid PL and PLC Relations
Koen*, C., Kanbur, S. & Ngeow, C.-C.
Monthly Notice of Royal Astronomical Society
2007-09
期刊論文
Period-Color and Amplitude-Color Relations in Classical Cepheid Variables V: the Small Magellanic Cloud Cepheid Models
Kanbur*, Shashi M., Ngeow, Chow-Choong & Feiden, Greg
Monthly Notice of Royal Astronomical Society
2007-09
期刊論文
Semi-Empirical Cepheid Period-Luminosity Relations in Sloan Magnitudes
Ngeow*, C.-C. & Kanbur, S. M.
Astrophysical Journal
2007-05
期刊論文
Investigations of the Non-Linear LMC Cepheid Period-Luminosity Relation with Testimator and Schwarz Information Criterion Methods
Kanbur*, S. M., Ngeow, C.-C., Nanthakumar, A. & Stevens, R.
Publication of the Astronomical Society of the Pacific
2006-10
期刊論文
Nonlinear Period-Luminosity Relation for the Large Magellanic Cloud Cepheids: Myths and Truths
Ngeow*, C.-C. & Kanbur, S. M.
Astrophysical Journal
2006-07
期刊論文
Cyber-infrastructure to Support Science and Data Management for the Dark Energy Survey
Ngeow*, C.-C., Mohr, J. J.; Alam, T.; Barkhouse, W. A.; Beldica, C.; Cai, D.; Daues, G.; Plante, R.; Annis, J.; Lin, H.; Tucker, D. & Smith, R. C.
Observatory operations: strategies, processess and system
2006-06
期刊論文
Period-Color and Amplitude-Color Relations in Classical Cepheid Variables III: the Large Magellanic Cloud Cepheid Models
Kanbur*, Shashi M. & Ngeow, Chow-Choong
Monthly Notice of Royal Astronomical Society
2006-06
期刊論文
Period-Color and Amplitude-Color Relations in Classical Cepheid Variables IV: the Multi-Phase Relations
Ngeow*, Chow-Choong & Kanbur, Shashi M.
Monthly Notice of Royal Astronomical Society
2006-05
期刊論文
The Hubble Constant from Type Ia Supernovae Calibrated with the Linear and Nonlinear Cepheid Period-Luminosity Relations
Ngeow*, C.-C. & Kanbur, S. M.
Astrophysical Journal Letter
2005-11
期刊論文
Determination of Cepheid Parameters by Light-Curve Template Fitting
Tanvir*, N. R.; Hendry, M. A.; Watkins, A.; Kanbur, S. M.; Berdnikov, L. N. & Ngeow, C.-C.
Monthly Notice of Royal Astronomical Society
2005-11
期刊論文
Further Empirical Evidence for the Non-Linearity of the Period-Luminosity Relations as seen in the Large Magellanic Cloud Cepheids
Ngeow*, Chow-Choong, Kanbur, Shashi M.,Nikolaev, Sergei, Buonaccorsi, John, Cook, Kem H. & Welch, Douglas L.
Monthly Notice of Royal Astronomical Society
2005-07
期刊論文
The Linearity of the Wesenheit Function for the Large Magellanic Cloud Cepheids
Ngeow*, Chow-Choong & Kanbur, Shashi M.
Monthly Notice of Royal Astronomical Society
2005-01
研討會論文
Cepheid Period-Luminosity Relations: Galactic vs. LMC and the Results from t-Test
Ngeow*, C.-C. & Kanbur, S.
2005-01
研討會論文
The Physics Behind the Non-Universality of the Cepheid Period-Luminosity Relation
Kanbur*, S. & Ngeow, C.-C.
2004-10
期刊論文
Period-colour and amplitude-colour relations in classical Cepheid variables - II. The Galactic Cepheid models
Kanbur*, Shashi M., Ngeow, Chow-Choong & Buchler, J. Robert
Monthly Notice of Royal Astronomical Society
2004-05
期刊論文
Period-colour and amplitude-colour relations in classical Cepheid variables
Kanbur*, Shashi M. & Ngeow, Chow-Choong
Monthly Notice of Royal Astronomical Society
2004-04
期刊論文
Period-luminosity relations for Galactic Cepheid variables with independent distance measurements
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