353 citations
- Center for Astrophysics Harvard & SmithsonianUS8 papers
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- Pontificia Universidad Católica de ChileCL3 papers
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10 papers
Observability of the General Relativistic Precession of Periastra in Exoplanets
Andres Jordan, Gaspar A. Bakos
The general relativistic precession rate of periastra in close-in exoplanets can be orders of magnitude larger than the magnitude of the same effect for Mercury. The realization th…
A Transient Black-Hole Low-Mass X-Ray Binary Candidate in Centaurus A
Gregory R. Sivakoff, Ralph P. Kraft, Andrés Jordán +14
We report the discovery of a bright transient X-ray source, CXOU J132518.2-430304, towards Centaurus A (Cen A) using six new Chandra X-Ray Observatory observations in 2007 March--M…
The ACS Virgo Cluster Survey XV. The Formation Efficiencies of Globular Clusters in Early-Type Galaxies: The Effects of Mass and Environment
Eric W. Peng, Andres Jordan, Patrick Cote +8
The fraction of stellar mass contained in globular clusters (GCs), also measured by number as the specific frequency, is a fundamental quantity that reflects both a galaxy's early…
The Formation of Polar Disk Galaxies
Chris B. Brook, Fabio Governato, Thomas Quinn +5
Polar Ring Galaxies, such as NGC4650A, are a class of galaxy which have two kinematically distinct components that are inclined by almost 90 degrees to each other. These striking g…
On the Origin of Dynamically Cold Rings Around the Milky Way
Joshua D. Younger, Gurtina Besla, T. J. Cox +3
We present a scenario for the production of dynamically cold rings around the Milky Way via a high-eccentricity, flyby encounter. These initial conditions are more cosmologically m…
Bootes II ReBooted: An MMT/MegaCam Study of An Ultra-Faint Milky Way Satellite
S. M. Walsh, B. Willman, D. Sand +4
[abridged] We present MMT/Megacam imaging in Sloan and of the extremely low luminosity Boötes II Milky Way companion. We use a bootstrap approach to perform robust measurem…