Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..317c&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 202, Jan. 1983, p. 317-345.
Astronomy and Astrophysics
Astronomy
40
B Stars, O Stars, Stellar Color, Stellar Spectrophotometry, Subdwarf Stars, Ultraviolet Astronomy, Ultraviolet Spectra, Color-Color Diagram, Esa Satellites, Hertzsprung-Russell Diagram, Interstellar Extinction, Main Sequence Stars, Scale Height, Sky Surveys (Astronomy), Spaceborne Telescopes, Statistical Analysis, Stellar Magnitude, Ultraviolet Telescopes
Scientific paper
An all-sky survey of ultraviolet objects is presented together with a statistical analysis that leads to the conclusion that there is a significantly higher population of hot subdwarfs lying below the main-sequence than hitherto thought. The distribution of all ultraviolet objects, main sequence ultraviolet objects, and MK unclassified ultraviolet objects are shown in galactic coordinates, and the absolute magnitudes and color-color diagrams for these groups are presented. Scale heights are derived, giving values similar to planetary nebulae for the hottest groups.
Carnochan David J.
Wilson Raymond
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