Abstract
view Abstract Citations (17) References (21) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The detection of a companion star to the Cepheid variable T Monocerotis Mariska, J. T. ; Doschek, G. A. ; Feldman, U. Abstract We have obtained ultraviolet spectra with the International Ultraviolet Explorer (IUE) spacecraft of the classical Cepheid T Mon at several phases in the 27 day period. Significant ultraviolet emission is detected at wavelengths less than 1600 A, where little flux is expected from classical Cepheids. Furthermore, the emission at wavelengths less than about 1900 A does not vary with phase. Comparison with model atmosphere flux distributions shows that the emission is consistent with the flux expected from a companion star with an effective temperature of about 10,000 K (approximately A0) near the main sequence. Publication: The Astrophysical Journal Pub Date: December 1980 DOI: 10.1086/158539 Bibcode: 1980ApJ...242.1083M Keywords: Binary Stars; Cepheid Variables; Companion Stars; Stellar Radiation; Stellar Spectra; Ultraviolet Spectra; Iue; Stellar Atmospheres; Stellar Mass; Stellar Temperature; Astronomy full text sources ADS | data products MAST (1)
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