The AAVSO database of variable star observations

Details The AAVSO database of variable star observations The AAVSO database of variable star observations

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.210..137p&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 210, no. 1-2, p. 137-138 (IAU Colloquium 134)

Astronomy and Astrophysics

Astronomy

3

Astronomical Catalogs, Astronomical Satellites, Astronomy, Data Bases, Space Observations (From Earth), Variable Stars, Computer Techniques, Data Acquisition

Scientific paper

The American Association of Variable Star Observers (AAVSO) is the largest organization of variable star observers in the world, with members in 42 countries. The purpose of the AAVSO is to coordinate variable star observing, done primarily by amateur astronomers, evaluate the accuracy of these observations, compile, process and publish them, and make them available to researchers and educators around the world. Observations since about 1960 are in computerized from, and it is intended to have all observations in this form within the next year. About 250,000 observations are submitted to and archived by the AAVSO each year, over half of them from outside the USA. Most of the observations are visual, but there is also an active photoelectric program which concentrates on semi-regular and irregular stars such as small-amplitude red variables. In 1990, over 200 requests for AAVSO data and services were received from researchers and educators; this number has increased by a factor of 10 in the last two decades. The database is briefly discussed.

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