HR 4453 - an anomalously bright UV source

Details HR 4453 - an anomalously bright UV source HR 4453 - an anomalously bright UV source

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....92..212p&link_type=abstract

Astronomy and Astrophysics, vol. 92, no. 1-2, Dec. 1980, p. 212, 213.

Astronomy and Astrophysics

Astronomy

Binary Stars, Spaceborne Astronomy, Stellar Spectrophotometry, Ultraviolet Astronomy, A Stars, B Stars, Oao 3, Spectral Bands

Scientific paper

Crawford et al. (1979) reported that HR 4453 has an anomalously large UV flux in the 1350-1600 A band. This paper reports results of the UV spectrophotometry of HR 4453 obtained with the Copernicus satellite. Portions of the spectrum from 1120 to 2660 A were scanned, but no stellar signal was detected in any wavelength interval. This result is consistent with both components of the binary being normal A2A stars. UV variability or a source other than HR 4453 must be invoked to explain the observations of Crawford et al.

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