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Title: In-orbit performance of UVIT and first results
Authors: Tandon, S. N
Hutchings, J. B
Ghosh, S. K
Subramaniam, A
George, K
Girish, V
Kamath, P. U
Kathiravan, S
Kumar, A
Lancelot, J. P
Mahesh, P. K
Mohan, Rekhesh
Murthy, J
Nagabhushana, S
Pati, A. K
Postma, J
Kameswara Rao, N
Sankarasubramanian, K
Sreekumar, P
Sriram, S
Stalin, C. S
Sutaria, F. K
Sreedhar, Yuvraj Harsha
Barve, Indrajit V
Mondal, Chayan
Snehalata Sahu
Keywords: Ultraviolet astronomy;Space astronomy;Ultraviolet telescopes;Ultraviolet detectors;Payloads on AstroSat
Issue Date: Jun-2017
Publisher: Indian Academy of Sciences
Citation: Journal of Astrophysics and Astronomy, Vol. 38, No. 2, 28
Abstract: The performance of the ultraviolet telescope (UVIT) on-board AstroSat is reported. The performance in orbit is also compared with estimates made from the calibrations done on the ground. The sensitivity is found to be within ∼ 15% of the estimates, and the spatial resolution in the NUV is found to exceed significantly the design value of 1.8′′ and it is marginally better in the FUV. Images obtained from UVIT are presented to illustrate the details revealed by the high spatial resolution. The potential of multi-band observations in the ultraviolet with high spatial resolution is illustrated by some results.
Description: Open Access
The original publication is available at
ISSN: 0250-6335
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Appears in Collections:IIAP Publications

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