Photometry of the Outer Halo of M31

Details Photometry of the Outer Halo of M31 Photometry of the Outer Halo of M31

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21110417b&link_type=abstract

American Astronomical Society, AAS Meeting #211, #104.17; Bulletin of the American Astronomical Society, Vol. 39, p.927

Astronomy and Astrophysics

Astronomy

Scientific paper

The Andromeda spiral galaxy (M31) is both distant enough to allow study of itslarge scale structure, and sufficiently close to allow detailed individual stars. Thus, M31 presents a unique opportunity to study the structure of large disk galaxies in great detail. The SPLASH (Spectroscopic and Photometric Landscape of Andromeda's Stellar Halo) collaboration is currently probing the structure of Andromeda's stellar halo using the photometric, kinematic and spectroscopic properties of tracer red giant stars. Candidate stars are photometrically identified using Washington + DD051 photometry and confirmed with spectroscopic follow up. The early results of the survey spectroscopically confirmed the presence of three halo red giant stars out to a projected radius of 165 kpc in one field along the minor axis. In this poster, we will present additional photometric results in the outer regions of Andromeda's stellar halo.

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