UV 1758 + 36, a hot subluminous B star

Details UV 1758 + 36, a hot subluminous B star UV 1758 + 36, a hot subluminous B star

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.183..265g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 183, Apr. 1978, p. 265-269. Research supported by the Science Research

Astronomy and Astrophysics

Astronomy

8

B Stars, Stellar Spectrophotometry, Subdwarf Stars, Ultraviolet Astronomy, Abundance, Balmer Series, Line Spectra, Radial Velocity, Sky Surveys (Astronomy), Stellar Atmospheres, Ultraviolet Photometry

Scientific paper

A new subdwarf B star has been discovered by the ultraviolet sky survey telescope (S2/68). Its ultraviolet photometry corresponds to an almost unreddened early B star with V = 11.5 mag. The visible spectrum is dominated by strong broad Balmer lines and is characteristic of the subdwarf B stars. A preliminary analysis of available data yields atmospheric parameters: effective temperature of 32,500 K, log (g) = 5.25, and a helium/hydrogen abundance ratio of 0.017. The radial velocity may be variable.

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