The effective temperature of the white-dwarf star and ZZ Ceti candidate Wolf 485A

Details The effective temperature of the white-dwarf star and ZZ Ceti candidate Wolf 485A The effective temperature of the white-dwarf star and ZZ Ceti candidate Wolf 485A

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pasp...96..996d&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 96, Dec. 1984, p. 996-998.

Other

3

Stellar Models, Stellar Temperature, Variable Stars, White Dwarf Stars, Absorption Spectra, H Beta Line, Line Spectra, Spectral Resolution

Scientific paper

Previous multichannel observations of W485A (WD 1327-08) have placed it in the instability strip, the effective temperature range 11,000-13,000 K. In the instability strip, most of the stars (the ZZ Ceti stars) are variable, but W485A has not been detected to be variable. In this paper, high-resolution spectra of W485A and improved hydrogen-line broadening routines are used in the ATLAS model-atmospheres program to find the temperature of W485A; the estimate of effective temperature most consistent with the other data on the star is 14,600 K, outside the instability strip.

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