Infrared photometry of Beta Lyrae - 1977-1982

Details Infrared photometry of Beta Lyrae - 1977-1982 Infrared photometry of Beta Lyrae - 1977-1982

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1304z&link_type=abstract

Astronomical Journal, vol. 87, Sept. 1982, p. 1304-1309.

Astronomy and Astrophysics

Astronomy

8

Eclipsing Binary Stars, Infrared Astronomy, Infrared Photometry, Infrared Spectra, Light Curve, Stellar Spectrophotometry, Lyra Constellation, Stellar Models, Stellar Structure, Ultraviolet Spectra, Visible Spectrum

Scientific paper

Observations have been made of Beta Lyrae from 1.2 to 4.6 microns during the period from 1977 to 1982 to acquire reasonably complete light curves with much smaller errors than previous results. The light curves clearly show how the depth of the primary eclipse decreases relative to the secondary at longer wavelengths. A comparison to Wilson's thick-disk model (fitted to visual and UV data) is close for the eclipse depths from 1.2 to 3.5 micrometers, but not 4.6 micrometers. At all wavelengths, the observed shapes of the bottom of the eclipses have a sharper turnaround than that of the model.

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