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Ethen Sun, Bhavya Ailawadhi, Talat Akhunov, Ermanno Borra, Monalisa Dubey, Naveen Dukiya, Jiuyang Fu, Baldeep Grewal, Paul Hickson, Brajesh Kumar, Kuntal Misra, Vibhore Negi, Kumar Pranshu & Jean Surdej 
SunPhot: Preparations for an Upcoming Quasar Variability Survey with the International Liquid Mirror Telescope
(Volume 93 - Année 2024 — No 2 - Proceeedings of the 3rd BINA Workshop on the Scientific Potential of the Indo-Belgian Cooperation)
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Recent research suggests a correlation between the variability and intrinsic brightness of quasars. If calibrated, this could lead to the use of quasars on the cosmic distance ladder, but this work is currently limited by lack of quasar light curve data with high cadence and precision. The Python photometric data pipeline SunPhot is being developed as part of preparations for an upcoming quasar variability survey with the International Liquid Mirror Telescope (ILMT). SunPhot uses aperture photometry to directly extract light curves for a catalogue of sources from calibrated ILMT images. SunPhot version 2.1 is operational, but the project is awaiting completion of ILMT commissioning.
Keywords : instrumentation, aperture photometry, quasars
To cite this article
Ethen Sun, Bhavya Ailawadhi, Talat Akhunov, Ermanno Borra, Monalisa Dubey, Naveen Dukiya, Jiuyang Fu, Baldeep Grewal, Paul Hickson, Brajesh Kumar, Kuntal Misra, Vibhore Negi, Kumar Pranshu & Jean Surdej, «SunPhot: Preparations for an Upcoming Quasar Variability Survey with the International Liquid Mirror Telescope», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 93 - Année 2024, No 2 - Proceeedings of the 3rd BINA Workshop on the Scientific Potential of the Indo-Belgian Cooperation, 910-917 URL : https://popups.uliege.be/0037-9565/index.php?id=11922.
About: Ethen Sun
Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada. Corresponding author: ethensun@astro.ubc.ca
About: Bhavya Ailawadhi
Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India and Department of Physics, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, 273009, India
About: Talat Akhunov
National University of Uzbekistan, Department of Astronomy and Astrophysics, 100174 Tashkent, Uzbekistan and Ulugh Beg Astronomical Institute of the Uzbek Academy of Sciences, Astronomicheskaya 33, 100052 Tashkent, Uzbekistan
About: Ermanno Borra
Department of Physics, Université Laval, 2325, rue de l’Université, Québec, G1V 0A6, Canada
About: Monalisa Dubey
Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India and Department of Applied Physics, Mahatma Jyotiba Phule Rohilkhand University, Bareilly, 243006, India
About: Naveen Dukiya
Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India and Department of Applied Physics, Mahatma Jyotiba Phule Rohilkhand University, Bareilly, 243006, India.
About: Jiuyang Fu
Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada
About: Baldeep Grewal
Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada
About: Paul Hickson
Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada
About: Brajesh Kumar
Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India.
About: Kuntal Misra
Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India.
About: Vibhore Negi
Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India and Department of Physics, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, 273009, India.
About: Kumar Pranshu
Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India and Department of Applied Optics and Photonics, University of Calcutta, Kolkata, 700106, India
About: Jean Surdej
Institute of Astrophysics and Geophysics, University of Liège, Allée du 6 Août 19c, 4000 Liège, Belgium