Near-Field cosmology with RR Lyrae variable stars: A first view of substructure in the southern sky

23 Mar 2016 Duffau S. Vivas A. K. Navarrete C. Catelan M. Hajdu G. Torrealba G. Cortes C. Belokurov V. Koposov S. Drake A. J.

We present an update of a spectroscopic follow-up survey at low-resolution of a large number of RR Lyrae halo overdensity candidates found in the southern sky. The substructure candidates were identified in the RR Lyrae catalog of Torrealba et al. (2015) using Catalina Real-time Transient Survey (CRTS) data... (read more)

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  • ASTROPHYSICS OF GALAXIES