BVJHK observations of the dwarf Cepheid SZ Lynx

Details BVJHK observations of the dwarf Cepheid SZ Lynx BVJHK observations of the dwarf Cepheid SZ Lynx

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.208..853f&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 208, June 15, 1984, p. 853-863.

Astronomy and Astrophysics

Astronomy

15

Cepheid Variables, Dwarf Stars, Light Curve, Stellar Evolution, Stellar Spectrophotometry, Stellar Structure, Companion Stars, Infrared Astronomy, Radii, Stellar Magnitude, Stellar Mass

Scientific paper

BVJHK light curves of the dwarf Cepheid SZ Lyn are presented. The authors confirm the findings of other observers that there are small cycle to cycle variations in the light curves. The photometry coupled with radial velocity observations is used to determine a radius of 2.76(+0.11, -0.46)R_sun; and hence an absolute magnitude of Mv = 1.71 (-0.19, +0.48) and a mass of 1.57(+0.17, -0.66)M_sun;. The results are consistent with the post-main sequence, high mass hypothesis for the evolutionary status of dwarf Cepheids.

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