Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.212...77w&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 212, Jan. 1, 1985, p. 77-91.
Astronomy and Astrophysics
Astronomy
H Beta Line, Stellar Color, Stellar Spectrophotometry, Ultraviolet Astronomy, Astronomical Catalogs, B Stars, Interstellar Extinction, Spectral Energy Distribution, Stellar Luminosity, Subdwarf Stars
Scientific paper
uvby Hβ photometry is presented for 90 stars taken from an early version of the Carnochan & Wilson catalogue of stars that have very negative UV colours. Two have definite UV excesses, (HD 36629, and HD 81307). Four early-B stars have UV colours too positive for their visible classification, and β-indices that indicate higher luminosities than appear possible on galactic distribution grounds. Six late-B stars appear to have discordant flux distributions for which there are no obvious explanations. The authors suggest that the high population of subluminous stars derived by Carnochan & Wilson is the product of the statistical treatment used and the extreme patchiness in the interstellar absorption which gives rise to large numbers of little-reddened stars.
Smith Lisa F.
Wade B. R.
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