Asymptotic Giant Branch Variables in the Galaxy and the Local Group

Abstract

AGB variables, particularly the large amplitude Mira type, are a vital step on the distance scale ladder. They will prove particularly important in the era of space telescopes and extremely large ground-based telescopes with adaptive optics, which will be optimized for infrared observing. Our current understanding of the distances to these stars is reviewed with particular emphasis on improvements that came from Hipparcos as well as on recent work on Local Group galaxies. In addition to providing the essential calibration for extragalactic distances Gaia may also provide unprecedented insight into the poorly understood mass-loss process itself.

Accepted for publication in Astrophysics and Space Science. From a presentation at the conference "The Fundamental Cosmic Distance Scale: State of the Art and Gaia Perspective, Naples May 2011. 8 Pages, 9 Figures

References in corpus (7)

• Near-Infrared Photometry of Carbon Stars
• AGB Stars in the Fornax Dwarf Spheroidal Galaxy
• The circumstellar envelope of IRC+10216 from milli-arcsecond to arcmin scales
• Infrared Period-Luminosity Relations of Evolved Variable Stars in the Large Magellanic Cloud
• Period-Magnitude relation of Mira-like variables in the Large Magellanic Cloud as a tool to understand circumstellar extinction
• Asymptotic Giant Branch Stars in the Phoenix Dwarf Galaxy
• Asymptotic Giant Branch Stars in the Sculptor Dwarf Spheroidal Galaxy

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• Asymptotic Giant Branch Variables as Extragalactic Distance Indicators
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