Infrared Photometry of Five Long-Period Binaries

Details Infrared Photometry of Five Long-Period Binaries Infrared Photometry of Five Long-Period Binaries

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001astl...27..338t&link_type=abstract

Astronomy Letters, vol. 27, p. 338-344 (2001)

Astronomy and Astrophysics

Astronomy

5

Long-Period Variables, Infrared Photometry

Scientific paper

We present and discuss JHKLM photometry for five long-period binaries (VV Cep, ZZ CMi, WY Gem, epsilon Aur, and zeta Aur). The IR radiation from WY Gem may contain a component with a period of ~430 days, attributable to temperature pulsations of an M supergiant. The 3.5- and 5-micrometer radiation from the eclipsing binary epsilon Aur outside the eclipse exhibits excess (relative to the light from an F supergiant) fluxes which correspond to the emission from a cool source with a temperature of ~1000 K. For the eclipsing binary epsilon Aur, we present the hitherto unpublished results of our optical and IR photometry during 1982-1985, when a primary eclipse was observed in the system.

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