SAAO Standards for Optical Photometry

Details SAAO Standards for Optical Photometry SAAO Standards for Optical Photometry

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.230..155k&link_type=abstract

Astrophysics and Space Science, Volume 230, Issue 1-2, pp. 155-162

Astronomy and Astrophysics

Astrophysics

2

Photometric Standards, Photoelectric Photometry, Standard Stars

Scientific paper

A review is given of the development of systems of photometric standard stars at the South African Astronomical Observatory. A brief historical perspective indicates how the Harvard E-regions were chosen as standard sequences and developed into a very precise Southern hemisphere system for UBV(RI) c photometry. Subsequent additions of Strömgrenuvby - Hβ and DDO photometry to samples of E-region stars and UBV(RI) c extensions to the F-regions and the Magellanic Clouds are also described. Current programmes to extend and improve these standard stars are briefly discussed, as well as the long-standing problem of linking the Northern and Southern systems.

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