The shell star HD 51480

Details The shell star HD 51480 The shell star HD 51480

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....79..334w&link_type=abstract

Astronomy and Astrophysics, vol. 79, no. 3, Nov. 1979, p. 334-336. Research supported by the Helge Axson Johnsons Stiftelse.

Astronomy and Astrophysics

Astrophysics

5

B Stars, Main Sequence Stars, Shell Stars, Stellar Models, Stellar Spectra, A Stars, Absorption Spectra, Emission Spectra, Helium Ions, Line Spectra, Spectrograms, Stellar Envelopes

Scientific paper

The spectrum of HD 51480 shows three components. Broad He I lines are interpreted as arising in the photosphere of a rotating, early B star, surrounded by a line-emitting region and a rising shell, where absorption lines corresponding to an early A type are formed. The shell is apparently variable in density, temperature, and rise velocity. Distance estimates lead to the conclusion that HD 51480 is probably a member of the young CMa OB1 association.

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