CCD astrometry. No, really - it is interesting!

Details CCD astrometry. No, really - it is interesting! CCD astrometry. No, really - it is interesting!

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993msngr..74...16t&link_type=abstract

The Messenger, vol. 74, p. 16-19

Astronomy and Astrophysics

Astronomy

Astronomy: Ccd Observations, Parallaxes: Ccd Observations

Scientific paper

In recent years, the field of astrometry - usually considered a stuffy backwater by most astronomers - has been revitalized by the introduction of CCOs into general astronomical use. Not only have these devices made photographic plates outdated for most astrometric purposes, but they have significantly advanced the precision with which astrometry can be done. In the process they are turning astrometry from a field dominated by large, long-term measurement programmes and endless reductions of celestial co-ordinates, into a vital and fundamental contributor to current research programmes. In this article, I'd Iike to show what CCOs can (and can't) be used for, why they are so much better than photographic plates, how easy it is to do astrometry with them, and to look at where progress in this field can be expected to go.

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