Spectroscopic and photometric investigations of a helium-rich variable

Details Spectroscopic and photometric investigations of a helium-rich variable Spectroscopic and photometric investigations of a helium-rich variable

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....81...74w&link_type=abstract

Astronomy and Astrophysics, vol. 81, no. 1-2, Jan. 1980, p. 74-77. Research supported by the Statens Naturvetenskapliga Forskni

Astronomy and Astrophysics

Astrophysics

9

Helium, Line Spectra, Stellar Spectra, Stellar Spectrophotometry, Variable Stars, Astronomical Photometry, Astronomical Spectroscopy, Radial Velocity, Ubv Spectra

Scientific paper

This paper describes the behavior of a highly peculiar object, still very poorly known. The object, named AE 1, varies in brightness (13 m to 17 m) in a rather complex way. The variations in radial velocity are very large (+180 km/s to -180 km/s). Spectra of AE 1 consist almost exclusively of He I absorption lines, strongly broadened. The line intensity is variable. Different star models, that could explain the complex behavior of this object, are discussed.

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