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On the Radial Distribution of White Dwarfs in the Globular Cluster NGC 6397
D. S. Davis, H. B. Richer, I. R. King +5
We have examined the radial distribution of white dwarfs over a single HST/ACS field in the nearby globular cluster NGC 6397. In relaxed populations, such as in a globular cluster,…
Deep MMT Transit Survey of the Open Cluster M37 II: Variable Stars
J. D. Hartman, B. S. Gaudi, M. J. Holman +5
We have conducted a deep ($15 \la r \la 23$), 20 night survey for transiting planets in the intermediate age () open cluster M37 (NGC 2099) using the Megacam wi…
Deep MMT Transit Survey of the Open Cluster M37 I: Observations and Cluster Parameters
J. D. Hartman, B. S. Gaudi, M. J. Holman +6
We have conducted a deep ($15 \la r \la 23$), 20 night survey for transiting planets in the intermediate age open cluster M37 (NGC 2099) using the Megacam wide-field mosaic CCD cam…
Deep ACS Imaging in the Globular Cluster NGC 6397: The Cluster Color Magnitude Diagram and Luminosity Function
Harvey B. Richer, Aaron Dotter, Jarrod Hurley +9
We present the CMD from deep HST imaging in the globular cluster NGC 6397. The ACS was used for 126 orbits to image a single field in two colors (F814W, F606W) 5 arcmin SE of the c…
The Initial-Final Mass Relation: Direct Constraints at the Low Mass End
Jasonjot S. Kalirai, Brad M. S. Hansen, Daniel D. Kelson +3
The initial-final mass relation represents a mapping between the mass of a white dwarf remnant and the mass that the hydrogen burning main-sequence star that created it once had. T…
Stellar Kinematics in the Complicated Inner Spheroid of M31: Discovery of Substructure Along the Southeastern Minor Axis and its Relationship to the Giant Southern Stream
Karoline M. Gilbert, Mark Fardal, Jasonjot S. Kalirai +9
We present the discovery of a kinematically-cold stellar population along the SE minor axis of the Andromeda galaxy (M31) that is likely the forward continuation of M31's giant sou…