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CCD Standard Fields

Published online by Cambridge University Press:  12 April 2016

D.H.P. Jones
D.H.P. Jones*
Affiliation:
Royal Greenwich Observatory, Cambridge

Abstract

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There are several standard fields for CCDs available in the literature. Some of these have been observed many times with the CCD cameras of the Isaac Newton Group of Telescopes on La Palma. These observations were made in order to establish the zero-points and colour equations for the U BV RI filters. Now that many observations are available in the data archive it is possible to combine them and search for inconsistencies in the published magnitudes and colours. This discussion will lead to standard fields of a higher quality. Furthermore astrometric plates have been taken of several of these fields which will be used to provide accurate positions as well as magnitudes and colours. These will provide the scale, orientation and distortion of any CCD camera.

Type
Session 1 Photometric Systems
Information
International Astronomical Union Colloquium , Volume 136: Stellar Photometry – Current Techniques and Future Developments , 1993 , pp. 73 - 78
Copyright
Copyright © C.J. Butler and I. Elliottt 1993

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