HD 49798 - A strange composite sdO star

Details HD 49798 - A strange composite sdO star HD 49798 - A strange composite sdO star

Mar 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978a%26a....64..445g&link_type=abstract

Astronomy and Astrophysics, vol. 64, no. 3, Mar. 1978, p. 445, 446.

Astronomy and Astrophysics

Astronomy

2

Binary Stars, O Stars, Stellar Evolution, Subdwarf Stars, Black Holes (Astronomy), Companion Stars, Stellar Models, Stellar Spectrophotometry, White Dwarf Stars

Scientific paper

HD 49798 is a single line sdO binary star. It is shown that the
existence of an F or G companion is to be excluded (first hypothesis).
Two other solutions remain possible: a white dwarf (second hypothesis)
or a collapsed object (third hypothesis) associated with the sdO star.

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