Optical and infrared observations of Beta Lyrae

Details Optical and infrared observations of Beta Lyrae Optical and infrared observations of Beta Lyrae

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978a%26a....62..287v&link_type=abstract

Astronomy and Astrophysics, vol. 62, no. 1-2, Jan. 1978, p. 287-289.

Astronomy and Astrophysics

Astrophysics

6

Eclipsing Binary Stars, Infrared Spectra, Stellar Spectrophotometry, Visual Photometry, Companion Stars, Electron Density (Concentration), Optical Thickness, Spectral Energy Distribution, Stellar Magnitude, Stellar Models

Scientific paper

The optical and infrared energy distributions of Beta Lyr have been measured at phase 0.14. It is found that Beta Lyr has a large infrared excess which is attributed to a free-free emission from an optically thick geseous disk, assumed to be isothermal, surrounding the secondary. It is felt that the effective radius of the disk increases with wavelength, a hypothesis supported by an analysis of the Beta Lyr minima.

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