Recalibration of the Barnes-Evans Relation Using Interferometric Observations of Cepheid Variables

Details Recalibration of the Barnes-Evans Relation Using Interferometric Observations of Cepheid Variables Recalibration of the Barnes-Evans Relation Using Interferometric Observations of Cepheid Variables

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...19711906n&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #119.06; Bulletin of the American Astronomical Society, Vol. 32, p.1605

Astronomy and Astrophysics

Astronomy

Scientific paper

Direct diameter observations of Cepheid variables are used to recalibrate the Barnes-Evans Cepheid surface brightness relation. Sixty separate Cepheid diameter measurements from four different optical interferometers are used to calculate surface brightnesses as a function of pulsation phase. The linear fit to Cepheid surface brightness versus color is in agreement with functions in the literature found using interferometric observations of non-variable giant and supergiant stars.

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