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119 papers · 2 filters
The Fundamental Scaling Relations of Elliptical Galaxies
B. Robertson, T. J. Cox, L. Hernquist +4
(ABRIDGED) We examine the fundamental scaling relations of elliptical galaxies formed through mergers. Using hundreds of simulations to judge the impact of progenitor galaxy proper…
The Intrinsic Shape of Spiral Galaxies in the 2MASS Large Galaxy Atlas
Barbara S. Ryden
The apparent shapes of spiral galaxies in the 2-Micron All Sky Survey Large Galaxy Atlas are used to constrain the intrinsic shape of their disks. When the distribution of apparent…
The Chandra XBootes Survey - III: Optical and Near-IR Counterparts
Kate Brand, Michael J. I. Brown, Arjun Dey +14
The XBootes Survey is a 5-ks Chandra survey of the Bootes Field of the NOAO Deep Wide-Field Survey (NDWFS). This survey is unique in that it is the largest (9.3 deg^2), contiguous…
Modeling the ortho-to-para abundance ratio of cyclic C3H2 in cold dense cores
In Hee Park, Valentine Wakelam, Eric Herbst
We report a detailed attempt to model the ortho-to-para abundance ratio of c-C3H2 so as to reproduce observed values in the cores of the well-known source TMC-1. According to obser…
SDSS J0806+2006 and SDSS J1353+1138: Two New Gravitationally Lensed Quasars from the Sloan Digital Sky Survey
Naohisa Inada, Masamune Oguri, Robert H. Becker +18
We report the discoveries of two, two-image gravitationally lensed quasars selected from the Sloan Digital Sky Survey: SDSS J0806+2006 at z_s=1.540 and SDSS J1353+1138 at z_s=1.629…
Survey for Transiting Extrasolar Planets in Stellar Systems: III. A Limit on the Fraction of Stars with Planets in the Open Cluster NGC 1245
Christopher J. Burke, B. Scott Gaudi, D. L. DePoy +1
We analyze a 19-night photometric search for transiting extrasolar planets in the open cluster NGC 1245. An automated transit search algorithm with quantitative selection criteria…