NUV radii of the extrasolar planet HD 209458bExtrasolar planetary transits are powerful tools to probe their atmosphere and to extract key physical properties of planets, like their mean densities, chemical compositions, or atmospheric…J. M. Desert, A. Vidal-Madjar, A. Lecavelier des Etangs et al.·Oct 29, 2008SaveLearn
Magnetars and fossil-field model of origin of magnetic fieldThe evolution and genesis of Anomalous X-ray Pulsars and Soft Gamma ray Repeaters are investigated. The new arguments in favor of magnetar model are found. It is shown, that these objects are formed…F. K. Kasumov, A. O. Allakhverdiev·Oct 29, 2008SaveLearn
The solar chromosphere at high resolution with IBIS: III. Comparison of Ca II K and Ca II 854.2 nm imagingFiltergrams obtained in Ca II H, Ca II K and H-alpha are often employed as diagnostics of the solar chromosphere. However, the vastly disparate appearance between the typical filtergrams in these…K. P. Reardon, H. Uitenbroek, G. Cauzzi·Oct 29, 2008SaveLearn
Post-Newtonian simulations of super-massive black hole binaries in galactic nucleiWe present some preliminary results from recent numerical simulations that model the evolution of super-massive black hole (SMBH) binaries in galactic nuclei. Including the post-Newtonian terms for…I. Berentzen, M. Preto, P. Berczik et al.·Oct 29, 2008SaveLearn
A General Relativistic study of the neutrino path and calculation of minimum photosphere for different starsA detailed general relativistic (GR) calculation of the neutrino path for a general metric describing a rotating star is studied. We have calculated the neutrino path along a plane, with the…Ritam Mallick, Sarbani Majumder·Oct 29, 2008SaveLearn
Granulation in K-type Dwarf Stars. I. Spectroscopic observationsVery high resolution (R~160,000-210,000), high signal-to-noise ratio (S/N>300) spectra of nine bright K-dwarfs were obtained with the 2dcoude spectrograph on the 2.7m Telescope at McDonald…I. Ramirez, C. Allende Prieto, D. L. Lambert·Oct 29, 2008SaveLearn
The contribution of INTEGRAL to blazar scienceWe review 6 years of INTEGRAL observations of blazars, from Target-Of-Opportunity (TOO) to normal observations to coordinated campaigns, from the new and unexpected discoveries to the improvements in…Luigi Foschini, Valentina Bianchin·Oct 29, 2008SaveLearn
Lowest Order Constrained Variational Calculation of Structure Properties of Protoneutron StarWe calculate the structure properties of protoneutron star such as equation of state, maximum mass, radius and temperature profile using the lowest order constrained variational method. We show that…G. H. Bordbar, S. M. Zebarjad, R. Zahedinia·Oct 29, 2008SaveLearn
Hard X-ray observations of PSR J1833-1034 and its associated pulsar wind nebulaPSR J1833-1034 and its associated Pulsar Wind Nebula (PWN) has been investigated in depth through X-ray observations ranging from 0.1 to 200 keV. The low energy X-ray data from Chandra reveal a…A. De Rosa, P. Ubertini, R. Campana et al.·Oct 29, 2008SaveLearn
The effect of convection on pulsational stabilityA review on the current state of mode physics in classical pulsators is presented. Two, currently in use, time-dependent convection models are compared and their applications on mode stability are…G. Houdek·Oct 29, 2008SaveLearn
Exploring the remarkable subpulse drift and polarization properties of PSR B0818-41PSR B0818-41 is one of the few pulsars which show multiple drift regions having well defined phase relationship. In this paper we report new results from the multifrequency GMRT observations of this…Bhaswati Bhattacharyya, Yashwant Gupta, Janusz Gil·Oct 29, 2008SaveLearn
Another Abundance Inhomogeneity in the South East Limb of the Cygnus LoopWe have observed the south-east (SE) limb of the Cygnus Loop with Suzaku. Our spatially-resolved spectroscopic study shows that a one-kTe non-equilibrium ionization model represents…Hiroshi Tsunemi, Masashi Kimura, Hiroyuki Uchida et al.·Oct 29, 2008SaveLearn
The 6-GHz Multibeam Maser Survey I. TechniquesA new 7-beam 6-7 GHz receiver has been built to survey the Galaxy and the Magellanic Clouds for newly forming high-mass stars that are pinpointed by strong methanol maser emission at 6668 MHz. The…J. A. Green, J. L. Caswell, G. A. Fuller et al.·Oct 29, 2008SaveLearn
On the unification of dwarf and giant elliptical galaxiesThe near orthogonal distributions of dwarf elliptical (dE) and giant elliptical (E) galaxies in the mue-Mag and mue-log(Re) diagrams have been interpreted as evidence for two distinct galaxy…Alister W. Graham, Rafael Guzman·Oct 29, 2008SaveLearn
Spectral transitions of an ultraluminous X-ray source, NGC 2403 Source 3Suzaku observation of an ultraluminous X-ray source, NGC 2403 Source 3, performed on 2006 March 16--17, is reported. The Suzaku XIS spectrum of Source 3 was described with a multi-color…Naoki Isobe, Kazuo Makishima, Hiromitsu Takahashi et al.·Oct 29, 2008SaveLearn
Science with ASKAP - the Australian Square Kilometre Array Pathfinder[ABRIDGED VERSION] The future of cm and m-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries. The SKA will be 50 times more…S. Johnston, R. Taylor, M. Bailes et al.·Oct 29, 2008SaveLearn
Models of Jupiter's Growth Incorporating Thermal and Hydrodynamic Constraints[Abridged] We model the growth of Jupiter via core nucleated accretion, applying constraints from hydrodynamical processes that result from the disk-planet interaction. We compute the planet's…Jack J. Lissauer, Olenka Hubickyj, Gennaro D'Angelo et al.·Oct 29, 2008SaveLearn
On the Origin of Exponential Galaxy DisksWe use a disk galaxy evolution model to investigate whether galaxies with exponential surface brightness profiles can be produced in a cosmologically motivated framework for disk galaxy formation.…Aaron A. Dutton·Oct 28, 2008SaveLearn
SDSS Observations of the Milky Way vs. N-body Models: A Comparison of Stellar Distributions in the Position-Velocity-Metallicity SpaceThe data obtained by the recent modern sky surveys enable detailed studies of the stellar distribution in the multi-dimensional space spanned by spatial coordinates, velocity and metallicity, from…S. Loebman, R. Roskar, Z. Ivezic·Oct 28, 2008SaveLearn
First Results From New 3D Spectral Simulations Of Anelastic Turbulent ConvectionWe have adapted the anelastic spectral code of Barranco & Marcus (2006) to simulate a turbulent convective layer with the intention of studying the effectiveness of turbulent eddies in dissipating…Kaloyan Penev, Joseph Barranco, Dimitar Sasselov·Oct 28, 2008SaveLearn
Dark energy constraints and correlations with systematics from CFHTLS weak lensing, SNLS supernovae Ia and WMAP5We combine measurements of weak gravitational lensing from the CFHTLS-Wide survey, supernovae Ia from CFHT SNLS and CMB anisotropies from WMAP5 to obtain joint constraints on cosmological parameters,…M. Kilbinger, K. Benabed, J. Guy et al.·Oct 28, 2008SaveLearn
Dust depletion, chemical uniformity and environment of CaII H&K quasar absorbersCaII 3934,3969 absorbers, which are likely to be a subset of damped Lyman alpha systems, are the most dusty quasar absorbers known, with an order of magnitude more extinction in E(B-V) than other…Berkeley J. Zych, Michael T. Murphy, Paul C. Hewett et al.·Oct 28, 2008SaveLearn
Advanced localization of massive black hole coalescences with LISAThe coalescence of massive black holes is one of the primary sources of gravitational waves (GWs) for LISA. Measurements of the GWs can localize the source on the sky to an ellipse with a major axis…Ryan N. Lang, Scott A. Hughes·Oct 28, 2008SaveLearn
Curvature in the scaling relations of early-type galaxiesWe select a sample of about 50,000 early-type galaxies from the Sloan Digital Sky Survey (SDSS), calibrate fitting formulae which correct for known problems with photometric reductions of extended…J. B. Hyde, M. Bernardi·Oct 28, 2008SaveLearn
The luminosity and stellar mass Fundamental Plane of early-type galaxiesFrom a sample of ~50000 early-type galaxies from the SDSS, we measured the traditional Fundamental Plane in four bands. We then replaced luminosity with stellar mass, and measured the "stellar…J. B. Hyde, M. Bernardi·Oct 28, 2008SaveLearn