Radial velocities along the light curve of the peculiar emission-line star GG Carinae

Details Radial velocities along the light curve of the peculiar emission-line star GG Carinae Radial velocities along the light curve of the peculiar emission-line star GG Carinae

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...153...71g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 153, no. 1, Dec. 1985, p. 71-78.

Astronomy and Astrophysics

Astrophysics

18

Light Curve, Peculiar Stars, Radial Velocity, Stellar Spectra, Binary Stars, Calcium, Emission Spectra, Helium, Hydrogen, Iron, Line Spectra

Scientific paper

Measurements of the radial velocities of several emission and absorption lines in a large series of high dispersion spectra of the peculiar emission-line object GG Carinae are combined with the photometric data described by Gosset et al. (1984) in an attempt to derive constraints on a qualitative physical model of this peculiar, and most probably binary, object. Previously unreported spectral features are the double absorption components of the Balmer lines and the He I absorption lines appearing around phase φ = 0.45 of the 31.02 day period deduced from the radial velocity curve.

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