The hot halo subdwarf binary system HZ-22

Details The hot halo subdwarf binary system HZ-22 The hot halo subdwarf binary system HZ-22

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94..815y&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, Oct.-Nov. 1982, p. 815-820.

Astronomy and Astrophysics

Astronomy

14

Binary Stars, Blue Stars, Hot Stars, Light Curve, Spectral Line Width, Subdwarf Stars, Astronomical Photometry, Stellar Mass, Tides, Ubv Spectra, White Dwarf Stars

Scientific paper

A new investigation of the hot subdwarf component of the binary system known as HZ-22 has been conducted using more sophisticated detection apparatus than was available to the original investigators in 1972. The results indicate that the star is tidally distorted, that its companion is most likely to be a white dwarf, and that no significant mass transfer is currently taking place. The importance of the system now shifts to the possibility that the internal mass distribution of a highly evolved subdwarf may be determinable by observing its response to a known tidal potential.

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