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We describe a versatile pipeline for processing the data collected by the Ultra-Violet Imaging Telescope (UVIT) on board Indian Multi-wavelength astronomical satellite AstroSat.The UVIT instrument carries out simultaneous astronomical…

Instrumentation and Methods for Astrophysics · Physics 2022-10-26 S. K. Ghosh , S. N. Tandon , S. K. Singh , D. S. Shelat , P. Tahlani , A. K. Singh , T. P. Srinivasan , P. Joseph , A. Devaraj , K. George , R. Mohan , J. Postma , C. S. Stalin

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

The Ultra Violet Imaging Telescope (UVIT) onboard India's first dedicated multiwavelength satellite \textit{AstroSat} observed a significant fraction of the sky in the ultraviolet with a spatial resolution of 1.4\arcsec. We present a…

Instrumentation and Methods for Astrophysics · Physics 2024-11-05 Swagat Bordoloi , P. Shalima , Rupjyoti Gogoi , Jayant Murthy

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

The Ultraviolet Imaging Telescope (UVIT) was launched as part of the multi-wavelength Indian ASTROSAT mission on 28 September, 2015 into a low Earth orbit. A 6-month performance verification (PV) phase ended in March 2016, and the…

Instrumentation and Methods for Astrophysics · Physics 2017-06-14 Jayant Murthy , P. T. Rahna , Firoza Sutaria , Margarita Safonova , S. B. Gudennavar , S. G. Bubbly

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) on board AstroSat is an active telescope capable of high-resolution far-ultraviolet imaging (<1.5'') and low resolution (${\lambda}/{\delta}{\lambda}$ $\approx$ 100) slitless spectroscopy with a…

Instrumentation and Methods for Astrophysics · Physics 2025-04-02 Prajwel Joseph , S. N. Tandon , S. K. Ghosh , C. S. Stalin

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

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

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

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…

The analysis of astronomical interferometric data is often performed on the images obtained after deconvolution of the interferometer's point spread function (PSF). This strategy can be understood (especially for cases of sparse arrays) as…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 I. Marti-Vidal , W. H. T. Vlemmings , S. Muller , S. Casey

The Local Ultraviolet to Infrared Treasury (LUVIT) is a Hubble Space Telescope program that combines newly acquired data in the near ultraviolet (NUV), optical, and near infrared (NIR) with archival optical and NIR imaging to produce…

Mayavi is an open-source, general-purpose, 3D scientific visualization package. It seeks to provide easy and interactive tools for data visualization that fit with the scientific user's workflow. For this purpose, Mayavi provides several…

Software Engineering · Computer Science 2011-03-14 Prabhu Ramachandran , Gaël Varoquaux

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

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

lightcurver is a photometric pipeline for time series astronomical imaging data, designed for the semi-automatic extraction of precise light curves from small, blended targets. Such targets include, but are not limited to, lensed quasars,…

Instrumentation and Methods for Astrophysics · Physics 2024-10-18 Frédéric Dux

In the era of gravitational-wave astronomy, general-relativistic simulations of compact objects play a role of paramount importance. These calculations can be performed with the Einstein Toolkit, an open-source and community-supported…

General Relativity and Quantum Cosmology · Physics 2021-04-20 Gabriele Bozzola

The production of photometric light curves from astronomical images is a very time-consuming task. Larger data sets improve the resolution of the light curve, however, the time requirement scales with data volume. The data analysis is often…

Instrumentation and Methods for Astrophysics · Physics 2014-01-15 M. Todd , H. U. Wallon Pizarro , P. Tanga , D. M. Coward , M. G. Zadnik
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