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arxiv: 1705.03715 · v2 · pith:DTRSQZLI · submitted 2017-05-10 · astro-ph.IM

In-orbit Calibrations of the Ultra-Violet Imaging Telescope

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classification astro-ph.IM
keywords uvitchannelimagingcalibrationschannelsin-orbittelescopeultra-violet
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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 near-ultraviolet (NUV) channel (2000--3000\AA) and the visible (VIS) channel (3200--5500\AA). UVIT is primarily designed for simultaneous imaging in the two ultraviolet channels with spatial resolution better than 1.8 arcsec, along with provision for slit-less spectroscopy in the NUV and FUV channels.The results of in-orbit calibrations of UVIT are presented in this paper.

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  1. Deep far-UV observations of the ELAIS N1 field using AstroSat: Source catalogue, spectral energy distribution modelling and star formation

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    Deep AstroSat/UVIT far-UV observations of ELAIS N1 confirm that star-forming galaxies exhibit steady, secularly evolving star formation across 0 < z < 0.76.