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Title: Mapping distortion of detectors in UVIT onboard astrosat observatory
Authors: Girish, V
Tandon, S. N
Sriram, S
Amit Kumar
Postma, J
Keywords: Distortions;UV telescope and instrumentation;UV imaging;Distortion map
Issue Date: Feb-2017
Publisher: Springer
Citation: Experimental Astronomy, Vol. 43, No.1, pp. 59-74
Abstract: 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 simultaneously: FUV (130–180 nm), NUV (200–300 nm) and VIS (320–550 nm). The intensified imagers used in UVIT suffer from distortions, and a correction is necessary for these to achieve good astrometry. In this article we describe the methodology and calculations used to estimate the distortions in ground calibrations.
Description: Restricted Access
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ISSN: 1572-9508
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Appears in Collections:IIAP Publications

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