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20212026
most citedGaia GraL: Gaia DR2 Gravitational Lens Systems. VII. XMM-Newton Observations of Lensed Quasars

6 citations · 21 across the 35 of their papers we have counts for

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Showing 2023Show all

19 papers · 1 filter

astro-ph.CO2023

GraL spectroscopic identification of multiply imaged quasars

Priyanka Jalan, Vibhore Negi, Jean Surdej +24

Gravitational lensing is proven to be one of the most efficient tools for studying the Universe. The spectral confirmation of such sources requires extensive calibration. This pape…

astro-ph.GA2023

Gaia GraL: Gaia DR2 Gravitational Lens Systems. VIII. A radio census of lensed systems

Dougal Dobie, Dominique Sluse, Adam Deller +26

We present radio observations of 24 confirmed and candidate strongly lensed quasars identified by the Gaia Gravitational Lenses (GraL) working group. We detect radio emission from…

astro-ph.IM2023★ 1 cited

The 4m International Liquid Mirror Telescope: a brief history and some preliminary scientific results

Jean Surdej, Bhavya Ailawadhi, Talat Akhunov +12

The present article is based upon an invited talk delivered at the occasion of the inauguration of the 4m International Liquid Mirror Telescope (ILMT) which took place in Devasthal…

astro-ph.IM2023★ 1 cited

SunPhot: Preparations for an upcoming quasar variability survey with the International Liquid Mirror Telescope

Ethen Sun, Bhavya Ailawadhi, Talat Akhunov +11

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 ladd…

astro-ph.GA2023★ 1 cited

Surface Brightness Properties of LSB Galaxies with the International Liquid Mirror Telescope

Jiuyang Fu, Bhavya Ailawadhi, Talat Akhunov +11

Low surface brightness (LSB) galaxies make up a significant fraction of the luminosity density of the local universe. Their low surface brightness suggests a different formation an…

astro-ph.IM2023

Survey of Variables with the ILMT

Baldeep Grewal, Bhavya Ailawadhi, Talat Akhunov +11

Nestled in the mountains of Northern India, is a 4-metre rotating dish of liquid mercury. Over a 10-year period, the International Liquid Mirror Telescope (ILMT) will survey 117 sq…

astro-ph.IM2023★ 1 cited

Observation of mulitply imaged quasars with the 4-m ILMT

Talat Akhunov, Bhavya Ailawadhi, Ermanno Borra +12

Gravitationally lensed quasars (GLQs) are known to potentially provide an independent way of determining the value of the Hubble-Lemaître parameter , to probe the dark matte…

astro-ph.IM2023

Follow-up strategy of ILMT discovered supernovae

Brajesh Kumar, Bhavya Ailawadhi, Talat Akhunov +11

The 4m International Liquid Mirror Telescope (ILMT) facility continuously scans the same sky strip (22 wide) on each night with a fixed pointing towards the zenith d…

astro-ph.IM2023

Astrometric and photometric calibrators for the 4-m International Liquid Mirror Telescope

Naveen Dukiya, Bhavya Ailawadhi, Talat Akhunov +11

The International Liquid Mirror Telescope (ILMT) is a 4-meter class survey telescope. It achieved its first light on 29 April 2022 and is now undergoing the commissionin…

astro-ph.IM2023

A year-long representation of the ILMT observations in different coordinate systems

Monalisa Dubey, Bhavya Ailawadhi, Talat Akhunov +11

The 4m International Liquid Mirror Telescope (ILMT) is the first optical survey telescope in India that performs zenithal observations of a 22 wide strip of the sky. To determin…

astro-ph.IM2023

The 4m International Liquid Mirror Telescope project

Jean Surdej, Bhavya Ailawadhi, Talat Akhunov +12

The International Liquid Mirror Telescope (ILMT) project is a scientific collaboration in observational astrophysics between the Li{è}ge Institute of Astrophysics and Geophysics (L…

astro-ph.IM2023

Serendipitous Detection of Orbital Debris by the International Liquid Mirror Telescope: First Results

Paul Hickson, Bhavya Ailawadhi, Talat Akhunov +11

Orbital debris presents a growing risk to space operations, and is becoming a significant source of contamination of astronomical images. Much of the debris population is uncatalog…

astro-ph.IM2023

Detection and Identification of Asteroids with the 4-m ILMT

Anna Pospieszalska-Surdej, Bhavya Ailawadhi, Talat Akhunov +12

A very unique strength of the Devasthal Observatory is its capability of detecting optical transients with the 4-m International Liquid Mirror Telescope (ILMT) and to rapidly follo…

astro-ph.IM2023

Accessibility of the ILMT survey data

Kuntal Misra, Bhavya Ailawadhi, Talat Akhunov +11

The 4m International Liquid Mirror Telescope (ILMT) continuously scans a 22 wide strip of the zenithal sky and records the images in three broadband filters (g', r' and i') usin…

astro-ph.IM2023

Automated transient detection in the context of the 4m ILMT

Kumar Pranshu, Bhavya Ailawadhi, Talat Akhunov +11

In the era of sky surveys like Palomar Transient Factory (PTF), Zwicky Transient Facility (ZTF) and the upcoming Vera Rubin Observatory (VRO) and ILMT, a plethora of image data wil…

astro-ph.IM2023

An automated photometric pipeline for the ILMT data

Bhavya Ailawadhi, Talat Akhunov, Ermanno Borra +11

The International Liquid Mirror Telescope (ILMT) is a 4-meter survey telescope continuously observing towards the zenith in the SDSS g', r', and i' bands. This survey telescope is…

astro-ph.IM2023★ 1 cited

Necessity of a TDI optical corrector for ILMT observations

Vibhore Negi, Bhavya Ailawadhi, Talat Akhunov +11

The International Liquid Mirror Telescope (ILMT) has recently become operational at the Devasthal Observatory of ARIES, Nainital, India. The ILMT observes in the Time delay integra…

astro-ph.HE2023

Intranight optical variability of TeV blazars with parsec-scale jets dominated by slow-moving radio knots

Vibhore Negi, Gopal-Krishna, Hum Chand +1

BL Lac objects detected at TeV energies preferentially belong to the subclass called 'high-frequency-peaked' BL Lacs (HBLs). Parsec-scale radio jets in these TeV-HBLs often show do…

astro-ph.GA2023

Intranight Optical Variability of Blazars and Radio-quiet Quasars using the ZTF Survey

Vibhore Negi, Gopal-Krishna, Ravi Joshi +4

We explore the potential of the ongoing Zwicky-Transient-Facility (ZTF) survey for studying Intra-Night Optical Variability (INOV) of active galactic nuclei (AGN), in particular fo…