Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....81...37l&link_type=abstract
Astronomy and Astrophysics, vol. 81, no. 1-2, Jan. 1980, p. 37-42. Research supported by the Centre National d'Etudes Spatiales
Astronomy and Astrophysics
Astronomy
17
Balloon Flight, Hot Stars, Milky Way Galaxy, Star Distribution, Ultraviolet Astronomy, Balloon-Borne Instruments, O Stars, Subdwarf Stars
Scientific paper
The results of approximately a 200 square degree relatively deep survey of high-latitude regions at balloon ultraviolet wavelengths are presented. Ultraviolet photometry is combined with ground-based spectrography to improve or extend knowledge on specific cases. The observed local space densities of hot stars are compared with those derived by other studies; the data suggest that the density of SdO's is not significantly higher than what can be expected from ground-based studies. In addition, three stars near F0 which show an ultraviolet excess are briefly discussed.
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