Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....93..950c&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 93, April 1987, p. 950-958.
Astronomy and Astrophysics
Astronomy
4
B Stars, Eclipsing Binary Stars, H Alpha Line, Light Curve, Spectrum Analysis, Limb Darkening, Orbital Elements, Spectral Line Width, Stellar Luminosity, Stellar Spectrophotometry, Stellar Temperature
Scientific paper
Light curves of the detached, B type eclipsing binary VV Ori obtained at the Biruni Observatory in Iran are presented and analyzed. These are in narrow (≡40 Å) and wide (≡240 Å) bandwidths centered near Hα. The WINK method is used to derive orbital elements which are in good agreement with those obtained in previous investigations. An attempt to derive limb-darkening coefficients for the hotter component yielded less satisfactory results, but the derived values are not incompatible with the theoretical predictions. An attempt was also made to determine the contribution of the third component to the light of the system, and the result obtained indicates that this component may be less luminous than has been previously considered.
Chambliss Carlson R.
Davan Behrouz M.
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