A Photometric Study of V798 Cygni

Details A Photometric Study of V798 Cygni A Photometric Study of V798 Cygni

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997pasp..109..951k&link_type=abstract

Publications of the Astronomical Society of the Pacific, v.109, p.951-957

Other

Stars: Individual: V798 Cygni, Stars: Oscillations, Stars: Variables: Other

Scientific paper

New photometric $(uvby\beta)$ observations of the intrinsic variable star V798 Cyg have been secured and used to derive values of foreground reddening, E($b - y$) = 0\fm117, and metallicity, [Fe/H] = 0.64. Intrinsic ($b - y$) and $c1$ values indicate a mean effective temperature, $< Teff >$ = 7150 K, and a mean surface gravity, $< \log g >$ = 3.39. Pulsation theory and theoretical evolutionary tracks yield a mass of 2.3$M_{\odot}$ and an age of 0.63 Gyrs. Although V798 Cyg has been described as being multi-periodic, this conclusion is not confirmed by our observations. V798 Cyg in most respects resembles a typical population I dwarf Cepheid. (SECTION: Stars)

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