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175 papers · 2 filters
A Catalog of Compact Groups of Galaxies in the SDSS Commissioning Data
B. C. Lee, S. S. Allam, D. L. Tucker +20
Compact groups (CGs) of galaxies -- relatively poor groups of galaxies in which the typical separations between members is of the order of a galaxy diameter -- offer an exceptional…
On the Surface Heating of Synchronously-Spinning Short-Period Jovian Planets
Andreas Burkert, Douglas Lin, Peter Bodenheimer +2
We consider the atmospheric flow on short-period extra-solar planets through two-dimensional numerical simulations of hydrodynamics with radiation transfer. One side is always expo…
Excess mid-IR emission in Cataclysmic Variables
G. Dubus, R. Campbell, B. Kern +2
We present a search for excess mid-IR emission due to circumbinary material in the orbital plane of cataclysmic variables (CVs). Our motivation stems from the fact that the strong…
Structural and scaling properties of galaxy clusters: probing the physics of structure formation
M. Arnaud, G. W. Pratt, E. Pointecouteau
We present XMM-Newton studies of the total mass, gas density, temperature and entropy profiles in nearby hot and cool clusters, together with follow-up observations of distant clus…
The rotational broadening and the mass of the donor star of GRS 1915+105
E. T. Harlaftis, J. Greiner
The binary parameters of the microquasar GRS 1915+105 have been determined by the detection of Doppler-shifted 12CO and 13CO lines in its K-band spectrum (Greiner et al., 2001, Nat…
XMM observations of three middle-aged pulsars
V. E. Zavlin, G. G Pavlov
X-ray observations of middle-aged pulsars allow one to study nonthermal radiation from pulsar magnetospheres and thermal radiation from neutron star (NS) surfaces. In particular, f…