A comparison between various UV photometric systems for late-type stars

Details A comparison between various UV photometric systems for late-type stars A comparison between various UV photometric systems for late-type stars

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...133..363k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 133, no. 2, April 1984, p. 363-368.

Astronomy and Astrophysics

Astrophysics

3

Astronomical Photometry, Late Stars, Stellar Spectrophotometry, Ultraviolet Photometry, Comparison, Instrument Errors, Iue, Oao 2, Stellar Color

Scientific paper

Ultraviolet absolute photometry and spectrophotometry obtained for late-type stars with the TD1, OAO-2, ANS, and IUE satellites are compared. Strong colour effects are found in the TD1 2740 Å band, and, to a lesser extend, in the OAO-2 2980 Å band. The reason for these effects is believed to be due to red leaks in the sensitivity functions. For the TD1 band at 2365 Å a strong non-linearity at low flux levels is found. The OAO-2 spectrophotometry is found to be significantly influenced by scattered light for late-type stars. The ANS photometry and the IUE LWR spectrophotometry are found to be without large systematic errors. As a corollary the authors give intrinsic UV colours for late-type stars.

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