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Ultra Violet Imaging Telescope on ASTROSAT Satellite mission is a suite of Far Ultra Violet (FUV 130 to 180 nm), Near Ultra Violet (NUV 200 to 300 nm) and Visible band (VIS 320 to 550nm) imagers. ASTROSAT is the first multi wavelength…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Amit Kumar , S. K. Ghosh , J. Hutchings , P. U. Kamath , S. Kathiravan , P. K. Mahesh , J. Murthy , Nagbhushana. S , A. K. Pati , M. N. Rao , N. K. Rao , S. Sriram , S. N. Tandon

An ultraviolet survey of M31 has been carried out during 2017-23 with the UVIT instrument onboard the AstroSat Observatory. Here we present far and near ultraviolet (FUV and NUV) observations from the M31 UVIT survey, which covers a sky…

Astrophysics of Galaxies · Physics 2025-02-14 Denis Leahy , Sujith Ranasinghe , Saptadwipa Mitra , Kripansh Rawal

Ultra Violet Imaging Telescope on ASTROSAT Satellite mission is a suite of Far Ultra Violet (FUV; 130 to 180 nm), Near Ultra Violet (NUV; 200 to 300 nm) and Visible band (VIS; 320 to 550nm) imagers. ASTROSAT is a first multi wavelength…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Amit Kumar , S. K. Ghosh , P. U. Kamath , Joe Postma , S. Kathiravan , P. K. Mahesh , Nagbhushana. S , K. H. Navalgund , N Rajkumar , M. N. Rao , K. S. Sarma , S. Sriram , C. S. Stalin , S. N. Tandon

We present the first comprehensive source catalog (UVIT DR1) of ultraviolet (UV) photometry in four far-UV (FUV $\sim$1300$-$1800 \AA) and five near-UV (NUV $\sim$2000$-$3000 \AA) filters of the Ultraviolet Imaging Telescope (UVIT) on board…

Astrophysics of Galaxies · Physics 2024-09-04 Sonika Piridi , Ranjan Kumar , Divya Pandey , Ananta C. Pradhan

Three fields in the outskirts of the Small Magellanic Cloud were observed by the Ultra-Violet Imaging Telescope (UVIT) on board AstroSat, during 31 December 2017 and 01 January 2018. The observations were carried out on a total of seven…

Astrophysics of Galaxies · Physics 2023-04-05 Ashish Devaraj , Prajwel Joseph , C. S. Stalin , Shyam N. Tandon , Swarna K. Ghosh

We present deep UV imaging observations of the Great Observatories Origins Survey Northern (GOODS-N) field with AstroSat/UVIT (AstroSat UV Deep Field north - AUDFn), using one far-UV (F154W, 34.0 kilosec) and two near-UV filters (N242W,…

The Ultra-Violet Imaging Telescope (UVIT) is one of the payloads in ASTROSAT, the first Indian Space Observatory. The UVIT instrument has two 375mm telescopes: one for the far-ultraviolet (FUV) channel (1300--1800\AA), and the other for the…

The Ultra-Violet Imaging Telescope (UVIT) is one of the five payloads onboard the first Indian multiwavelength astronomical observatory, AstroSat, launched by the Indian Space Research Organisation on 28 September 2015. UVIT, designed for…

Instrumentation and Methods for Astrophysics · Physics 2026-01-01 Akanksha Dagore , Prajwel Joseph , S. N. Tandon , Annapurni Subramaniam , S. K. Ghosh , C. S. Stalin

The Ultra-Violet Imaging Telescope (UVIT) is one of the payloads in Astrosat, the first Indian Space Observatory. The UVIT instrument has two 375 mm telescopes: one for the far-ultraviolet (FUV) channel (1300-1800 A), and the other for the…

Solar and Stellar Astrophysics · Physics 2018-10-09 Priya Shah

Ultraviolet Imaging Telescope (UVIT) is one of the payloads onboard AstroSat, India's first multi-wavelength Astronomy mission. UVIT is primarily designed to make high resolution images in wide field, in three wavelength channels…

Instrumentation and Methods for Astrophysics · Physics 2017-02-08 V. Girish , Shyam N. Tandon , S. Sriram , Amit Kumar , Joe Postma

We present high-resolution near-ultraviolet (NUV) and far-ultraviolet (FUV) deep imaging of the field around the Seyfert galaxy IC~4329A based on five observations performed with the Ultra-Violet Imaging Telescope (UVIT), onboard AstroSat.…

High Energy Astrophysical Phenomena · Physics 2025-05-22 Piyali Ganguly , Priyanka Rani , Gulab C. Dewangan

The Ultraviolet Imaging Telescope (UVIT) onboard the AstroSat observatory has imaged the Andromeda Galaxy (M31) from 2017 to 2019 in FUV and NUV with the high spatial resolution of ~1". The survey covered the large sky area of M31 with a…

Astrophysics of Galaxies · Physics 2021-03-08 Denis Leahy , Megan Buick , Joseph Postma , Cole Morgan

We present the in-orbit performance and the first results from the ultra-violet Imaging telescope (UVIT) on ASTROSAT. UVIT consists of two identical 38cm coaligned telescopes, one for the FUV channel (130-180nm) and the other for the NUV…

We present a star catalogue extracted from the Lunar-based Ultraviolet Telescope (LUT) survey program. LUT's observable sky area is a circular belt around the Moon's north pole, and the survey program covers a preferred area for about 2400…

Instrumentation and Methods for Astrophysics · Physics 2016-11-09 Xian-Min Meng , Xu-Hui Han , Jian-Yan Wei , Jing Wang , Li Cao , Yu-Lei Qiu , Chao Wu , Jin-Song Deng , Hong-Bo Cai , Li-Ping Xin

We present an improved approach for constructing the UV source catalogs using observations from the UltraViolet Imaging Telescope (UVIT) onboard AstroSat, by considering the Poisson distribution of the UV background. The method is tested…

Instrumentation and Methods for Astrophysics · Physics 2025-11-19 B. Ananthamoorthy , Debbijoy Bhattacharya , P. Sreekumar , Swathi B

The Andromeda Galaxy (M31) has been observed with the UltraViolet Imaging Telescope (UVIT) instrument onboard the AstroSat Observatory. The M31 sky area was covered with 19 fields, in multiple UV filters per field, over the period of 2017…

Astrophysics of Galaxies · Physics 2021-08-11 D. A. Leahy , J. Postma , M. Buick , C. Morgan , L. Bianchi , J. Hutchings

The structure of our Galaxy has been studied from ultraviolet (UV) star counts obtained with the Ultra-Violet Imaging Telescope (UVIT) on board the {\em AstroSat} satellite, in Far-UV (FUV) and Near-UV (NUV) bands. The F154W (BaF2) and…

Astrophysics of Galaxies · Physics 2021-06-23 Ranjan Kumar , Ananta C. Pradhan , Devendra K. Ojha , Sonika Piridi , Tapas Baug , S. K. Ghosh

We present the AstroSat UV Deep Field South (AUDFs), an imaging survey using the wide-field Ultraviolet Imaging Telescope on board AstroSat. AUDFs covers $\sim 236$ arcmin$^{2}$ of the sky area, including the Great Observatories Origins…

Ultra Violet Imaging Telescope (UVIT) is one of the payloads on the first Indian multi wavelength satellite ASTROSAT expected to be launched by Indian Space Research Organisation (ISRO) in the year 2015. We have performed simulations of UV…

Solar and Stellar Astrophysics · Physics 2016-01-06 Sindhu. N , Annapurni. Subramaniam , C. Anu Radha

AstroSat is India's first Ultra-violet (UV) and X-ray astronomy observatory in space. The satellite was launched by the Indian Space Research Organisation on a Polar Satellite Launch Vehicle on 28 September 2015 from Sriharikota Range north…

Instrumentation and Methods for Astrophysics · Physics 2023-04-05 Kulinder Pal Singh
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