An experimental test of the photometric calibration of the guide star catalog for the Spectrum-UV (WSO/UV) project

Details An experimental test of the photometric calibration of the guide star catalog for the Spectrum-UV (WSO/UV) project An experimental test of the photometric calibration of the guide star catalog for the Spectrum-UV (WSO/UV) project

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011arep...55...13s&link_type=abstract

Astronomy Reports, Volume 55, Issue 1, pp.13-18

Astronomy and Astrophysics

Astronomy

Scientific paper

A test of the photometric calibration accuracy for the guide-star catalog (Master Catalog) of the Spectrum-UV project (World Space Observatory—Ultraviolet) has been performed using CCD observations in a spectral band close to that of the guide sensor system of the T-170M space telescope. The mean photometric uncertainty of the Master Catalog at 14 m -17 m is 0.23 m ; variations in this uncertainty over the sky are within a factor of two. About 2% of the stars in the Master Catalog were found to have photometric errors in excess of 2 m . We analyze the correspondence of large photometric errors to flags of the Master Catalog.

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