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The Complete Calibration of the Color-Redshift Relation (C3R2) Survey: Analysis and Data Release 2
Daniel C. Masters, Daniel K. Stern, Judith G. Cohen +11
The Complete Calibration of the Color-Redshift Relation (C3R2) survey is a multi-institution, multi-instrument survey that aims to map the empirical relation of galaxy color to red…
Precision distances to dwarf galaxies and globular clusters from Pan-STARRS1 3 RR Lyrae
Nina Hernitschek, Judith G. Cohen, Hans-Walter Rix +6
We present new spatial models and distance estimates for globular clusters (GC) and dwarf spheroidals (dSphs) orbiting our Galaxy based on RR Lyrae (RRab) stars in the Pan-STARRS1…
SMHASH: A new mid-infrared RR Lyrae distance determination for the Local Group dwarf spheroidal galaxy Sculptor
Alessia Garofalo, Victoria Scowcroft, Gisella Clementini +12
We present a new distance estimation for the Milky Way dwarf spheroidal satellite Sculptor obtained from multi-epoch mid-infrared observations of RR Lyrae stars. The 3.6 μm observa…
Two chemically similar stellar overdensities on opposite sides of the plane of the Galaxy
Maria Bergemann, Branimir Sesar, Judith G. Cohen +9
Our Galaxy is thought to have undergone an active evolutionary history dominated by star formation, the accretion of cold gas, and, in particular, mergers up to 10 gigayear ago. Th…
The Profile of the Galactic Halo from Pan-STARRS1 3 RR Lyrae
Nina Hernitschek, Judith G. Cohen, Hans-Walter Rix +11
We characterize the spatial density of the Pan-STARRS1 (PS1) sample of RR Lyrae stars, to study the properties of the old Galactic stellar halo as traced by RRab stars. This sample…
SMHASH: Anatomy of the Orphan Stream using RR Lyrae stars
David Hendel, Victoria Scowcroft, Kathryn V. Johnston +30
Stellar tidal streams provide an opportunity to study the motion and structure of the disrupting galaxy as well as the gravitational potential of its host. Streams around the Milky…