Bulletin de la Société Royale des Sciences de Liège

0037-9565 1783-5720

 

sinds 05 februari 2011 :
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Naveen Dukiya, Bhavya Ailawadhi, Talat Akhunov, Ermanno Borra, Monalisa Dubey, Jiuyang Fu, Baldeep Grewal, Paul Hickson, Brajesh Kumar, Kuntal Misra, Vibhore Negi, Kumar Pranshu, Ethen Sun & Jean Surdej

Astrometric and Photometric Calibrators for the 4-m 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)
DOI: 10.25518/0037-9565.11899
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Abstract

The International Liquid Mirror Telescope (ILMT) is a 4-meter class survey telescope. It achieved its first light on 29th April 2022 and is now undergoing the commissioning phase. It scans the sky in a fixed wide strip centred at the declination of and works in Time Delay Integration (TDI) mode. We present a full catalog of sources in the ILMT strip derived by crossmatching Gaia DR3 with SDSS DR17 and PanSTARRS-1 (PS1) to supplement the catalog with apparent magnitudes of these sources in g, r, and i filters. These sources can serve as astrometric calibrators. The release of Gaia DR3 provides synthetic photometry in popular broadband photometric systems, including the SDSS g, r, and i bands for ∼220 million sources across the sky. We have used this synthetic photometry to verify our crossmatching performance and, in turn, create a subset of the catalog with accurate photometric measurements from two reliable sources.

Keywords : Liquid Mirror Telescope, Survey, Crossmatching, Astrometry, Photometry

Om dit artikel te citeren:

Naveen Dukiya, Bhavya Ailawadhi, Talat Akhunov, Ermanno Borra, Monalisa Dubey, Jiuyang Fu, Baldeep Grewal, Paul Hickson, Brajesh Kumar, Kuntal Misra, Vibhore Negi, Kumar Pranshu, Ethen Sun & Jean Surdej, «Astrometric and Photometric Calibrators for the 4-m 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, 837-854 URL : https://popups.uliege.be/0037-9565/index.php?id=11899.

Over : 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. Corresponding author: ndukiya@aries.res.in, ndookia@gmail.com

Over : 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

Over : 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

Over : Ermanno Borra

Department of Physics, Université Laval, 2325, rue de l’Université, Québec, G1V 0A6, Canada

Over : 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

Over : Jiuyang Fu

Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada

Over : Baldeep Grewal

Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada

Over : Paul Hickson

Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada

Over : Brajesh Kumar

Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India

Over : Kuntal Misra

Aryabhatta Research Institute of Observational sciencES (ARIES), Manora Peak, Nainital, 263001, India

Over : 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

Over : 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

Over : Ethen Sun

Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada

Over : Jean Surdej

Institute of Astrophysics and Geophysics, University of Liège, Allée du 6 Août 19c, 4000 Liège, Belgium