Lanning 10 and 33 - The X-ray, UV, and optical fluxes

Details Lanning 10 and 33 - The X-ray, UV, and optical fluxes Lanning 10 and 33 - The X-ray, UV, and optical fluxes

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...251..620s&link_type=abstract

Astrophysical Journal, Part 1, vol. 251, Dec. 15, 1981, p. 620-625.

Astronomy and Astrophysics

Astrophysics

15

B Stars, Binary Stars, Stellar Spectra, Ultraviolet Spectra, Variable Stars, X Ray Spectra, Black Body Radiation, Broadband, Iue, Light (Visible Radiation), Radiant Flux Density, Spectral Energy Distribution, Stellar Spectrophotometry, Stellar Temperature

Scientific paper

UV spectra from IUE, optical spectroscopy, broad band photometry, and upper limits on the X-ray flux from Einstein are used to specify the characteristics of Lanning 10 and 33. Data on Lanning 33 are consistent with a 22,000 K Be star at a distance of 5 to 7 kpc, and Lanning 10 appears to include a F5-G0 star plus a hot component greater than 35,000 K at a distance of 0.9 to 1.3 kpc. The optical eclipsed fluxes are subtracted from the uneclipsed, and the observed fluxed distribution of the eclipsed light does not follow a simple power law, but is closer to a 12,000 K + or - 1000 K blackbody. Lanning 10 is placed in the category of VY Scl variables.

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