The metallicity sensitivity of a surface brightness temperature scale

Abstract

To obtain the accuracy now sought in the extragalactic distance scale through standard candles and rulers, calibration of stellar photometry must be improved. The sensitivity of the V-K color surface brightness relation is examined here by means of model atmosphere fluxes. It has previously been neglected, but is shown here to be a significant term in the error budget of a recent high precision distance of the Large Magellanic Cloud, an anchor in galaxy distances based on Cepheids.

arXiv commentAs published by PASP

References in corpus (5)

• A grid of MARCS model atmospheres for late-type stars I. Methods and general properties
• A distance to the Large Magellanic Cloud that is precise to one per cent
• SAtlas: Spherical Versions of the Atlas Stellar Atmosphere Program
• Galactic Calibration of the Tip of the Red Giant Branch
• The Age and Metallicity Dependence of the Near-Infrared Magnitudes of Red Clump Stars

Cited by in corpus (3)

• A distance determination to the Small Magellanic Cloud with an accuracy of better than 2 percent based on late-type eclipsing binary stars
• A Linear Formation Flying Astronomical Interferometer in Low Earth Orbit
• Theoretical analysis of surface brightness-colour relations for late-type stars using MARCS model atmospheres