Kinematic and Chemical constraints on the formation of M31's inner and outer halo

The halo of M31 shows a wealth of substructures that are consistent with satellite accretion. Here we report on kinematic and abundance results from Keck/DEIMOS spectroscopy in the calcium triplet region of over 3500 red giant star candidates along the minor axis and in off-axis spheroid fields of M...

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Hauptverfasser:	Koch, A, Rich, R. M, Reitzel, D. B, Martin, N. F, Ibata, R. A, Chapman, S. C, Majewski, S. R, Mori, M, Loh, Y. -S, Ostheimer, J. C, Tanaka, M
Format:	Artikel
Sprache:	eng
Schlagworte:	Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics
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