The disappearance of V-V 1-7 and the nature of its central star

Details The disappearance of V-V 1-7 and the nature of its central star The disappearance of V-V 1-7 and the nature of its central star

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....91..331m&link_type=abstract

Astronomy and Astrophysics, vol. 91, no. 3, Nov. 1980, p. 331-334. NSF-supported research.

Astronomy and Astrophysics

Astrophysics

4

A Stars, Binary Stars, Planetary Nebulae, Radial Velocity, Stellar Spectrophotometry, Ubv Spectra, Variable Stars

Scientific paper

New observations of HD 62001, the central star of V-V 1-7, suggest that it is a normal A-type star which has started to depart from the main sequence; probably it is a spectroscopic binary. It is shown that V-V 1-7 is no longer visible, and its nature is discussed. The strange behavior of V-V 1-7, together with the UV fluctuations and radial velocity variations of its apparent central star, HD 62001, leads to the conclusion that this star has a faint, possibly hot, and certainly interesting companion.

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