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Deep MMT Transit Survey of the Open Cluster M37 IV: Limit on the Fraction of Stars With Planets as Small as 0.3 R_J
J. D. Hartman, B. S. Gaudi, M. J. Holman +6
We present the results of a deep (15 ~< r ~< 23), 20 night survey for transiting planets in the intermediate age open cluster M37 (NGC 2099) using the Megacam wide-field mosaic CCD…
A Glimpse into the Past: The Recent Evolution of Globular Clusters
Jasonjot S. Kalirai, Jay Strader, Harvey B. Richer +1
We present the serendipitous discovery of 195 extragalactic globular clusters (GCs) in one of the deepest optical images ever obtained, a 126 orbit HST/ACS imaging study of the nea…
Disentangling the Galaxy at low Galactic latitudes
M. Cignoni, M. Tosi, A. Bragaglia +2
We have used the field stars from the open cluster survey BOCCE, to study three low-latitude fields imaged with the Canada-France-Hawaii telescope (CFHT), with the aim of better un…
Deep MMT Transit Survey of the Open Cluster M37 III: Stellar Rotation at 550 Myr
J. D. Hartman, B. S. Gaudi, M. H. Pinsonneault +6
In the course of conducting a deep (14.5 ~< r ~< 23), 20 night survey for transiting planets in the rich ~550 Myr old open cluster M37 we have measured the rotation periods of 575…
Deep ACS Imaging in the Globular Cluster NGC6397: Dynamical Models
Jarrod R. Hurley, Michael M. Shara, Harvey B. Richer +8
We present N-body models to complement deep imaging of the metal-poor core-collapsed cluster NGC6397 obtained with the Hubble Space Telescope. All simulations include stellar and b…
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,…