CoD - 30 deg 5135 - an F-type eclipsing supergiant binary

Details CoD - 30 deg 5135 - an F-type eclipsing supergiant binary CoD - 30 deg 5135 - an F-type eclipsing supergiant binary

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aj.....88.1676e&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 88, Nov. 1983, p. 1676-1678.

Astronomy and Astrophysics

Astronomy

3

Eclipsing Binary Stars, F Stars, Light Curve, Stellar Spectrophotometry, Supergiant Stars, H Beta Line, Radiant Flux Density, Spectral Bands, Ultraviolet Radiation

Scientific paper

Intermediate-band and Hβ observations, covering the 158.0-day period of the eclipsing supergiant (F2epIab+B:) CoD-30°5135, are presented. The components of the system are probably in near contact and the eclipses are 0.65 mag (primary) and 0.30 mag (secondary) deep in visual light. The run of ultraviolet flux shows a double reversal during both eclipses although, like most contact systems, the (b-y) index shows only a slight (0.02 mag) reddening during the two minima. Both eclipses are strongly asymmetric.

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