IUE spectra of HD 269665 (Sk -68 deg 110), a hot subdwarf in the direction of the Large Magellanic Cloud

Details IUE spectra of HD 269665 (Sk -68 deg 110), a hot subdwarf in the direction of the Large Magellanic Cloud IUE spectra of HD 269665 (Sk -68 deg 110), a hot subdwarf in the direction of the Large Magellanic Cloud

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97..881h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, March 1989, p. 881-890.

Astronomy and Astrophysics

Astronomy

1

Hot Stars, Iue, Magellanic Clouds, Stellar Spectra, Subdwarf Stars, Balmer Series, Emission Spectra, H Gamma Line, Radial Velocity, Spectral Line Width

Scientific paper

Comparison of high- and low-resolution IUE spectra of HD 269665 (Sanduleak -68 deg 110) show that the star is a subdwarf with a temperature in the range 30,000-50,000 K. The visual spectrum shows Balmer lines and weak He II 4686 A lines. Balmer-line width and a fit of the UV-visual flux distribution using the Blackwell-Shallis (1977) algorithm yields an effective temperature between 30,000 and 38,000 K and log g = 5-6. A table is presented of photospheric UV spectral lines in HD 269665. The radial velocity of the star is found to be 5.8 + or - 0.5 km/s.

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