Mean Motion Resonances in Extrasolar Planetary Systems with Turbulence, Interactions, and DampingThis paper continues previous work on the effects of turbulence on mean motion resonances in extrasolar planetary systems. Turbulence is expected to arise in the disks that form planets, and these…Daniel Lecoanet, Fred C. Adams, Anthony M. Bloch·Oct 22, 2008SaveLearn
Correlation Lengths of Red and Blue Galaxies: A New Cosmic RulerA comparison of the correlation lengths of red galaxies with blue can provide a new cosmic ruler. Using 269,000 galaxies from the SDSS DR6 survey, I show that the 3D correlation length averaged over…Michael J. Longo·Oct 22, 2008SaveLearn
The Existence of Sterile Neutrino Halos in Galactic Centers as an Explanation of the Black Hole mass - Velocity Dispersion RelationIf sterile neutrinos exist and form halos in galactic centers, they can give rise to observational consequences. In particular, the sterile neutrinos decay radiatively and heat up the gas in the…M. H. Chan, M. -C. Chu·Oct 22, 2008SaveLearn
An IPHAS-based search for accreting very low-mass objects using VO toolsThe main goal of this paper is to prove that accreting very low-mass stars and brown dwarfs can be identified in IPHAS, a Halpha emission survey of the northern Milky Way.Full exploitation of the…L. Valdivielso, E. L. Martin, H. Bouy et al.·Oct 22, 2008SaveLearn
On Dark Energy and Dark Matter (Part II)Phenomena currently attributed to Dark Matter (DM) and Dark Energy (DE) are merely a result of the interplay between gravitational energy density, caused by the contraction of space by matter, and…Shlomo Barak, Elia M. Leibowitz·Oct 22, 2008SaveLearn
Radiative cooling in relativistic collisionless shocks. Can simulations and experiments probe relevant GRB physics?We address the question of whether numerical particle-in-cell (PIC) simulations and laboratory laser-plasma experiments can (or will be able to, in the near future) model realistic gamma-ray burst…Mikhail V. Medvedev, Anatoly Spitkovsky·Oct 22, 2008SaveLearn
Cool White Dwarfs Identified in the Second Data Release of the UKIRT Infrared Deep Sky SurveyWe have paired the Second Data Release of the Large Area Survey of the UKIRT Infrared Deep Sky Survey with the Fifth Data Release of the Sloan Digital Sky Survey to identify ten cool white dwarf…N. Lodieu, S. K. Leggett, P. Bergeron et al.·Oct 22, 2008SaveLearn
The pulsating hot subdwarf Balloon 090100001: results of the 2005 multisite campaignWe present the results of a multisite photometric campaign on the pulsating sdB star Balloon 090100001. The star is one of the two known hybrid hot subdwarfs with both long- and short-period…A. Baran, R. Oreiro, A. Pigulski et al.·Oct 22, 2008SaveLearn
A pair of leading spiral arms in a luminous infrared galaxy?Leading spiral arms are a rare phenomenon. We present here one of the very few convincing candidates of spiral arms opening counter-intuitively in the same direction as the galaxy disk is rotating.…Petri Vaisanen, Stuart Ryder, Seppo Mattila et al.·Oct 22, 2008SaveLearn
Chromospheric Anemone Jets as Evidence of Ubiquitous ReconnectionThe heating of the solar chromosphere and corona is a long-standing puzzle in solar physics. Hinode observations show the ubiquitous presence of chromospheric anemone jets outside sunspots in active…Kazunari Shibata, Tahei Nakamura, Takuma Matsumoto et al.·Oct 22, 2008SaveLearn
A QSO plus host system lensed into a 6" Einstein ring by a low redshift galaxyWe report the serendipitous discovery of an "Einstein Ring" in the optical band from the Sloan Digital Sky Survey (SDSS) data and associated four images of a background source. The lens…Kajal K Ghosh, D. Narasimha·Oct 22, 2008SaveLearn
The Physical Properties and Effective Temperature Scale of O-type Stars as a Function of Metallicity. III. More Results from the Magellanic CloudsIn order to better determine the physical properties of hot, massive stars as a function of metallicity, we obtained very high SNR optical spectra of 26 O and early B stars in the Magellanic Clouds.…Philip Massey, Amanda M. Zangari, Nidia I. Morrell et al.·Oct 22, 2008SaveLearn
Spati-temporal distribution of cascade particles below the maximum of EAS development with E>=10**17eVSignal from scintillation detectors in showers with energies 10**17-10**20eV has been analyzed. It was determined, that for core distances >=200m the time scale of a particle arrival time at the…Stanislav Knurenko, Zim Petrov, Yuri Yegorov et al.·Oct 22, 2008SaveLearn
Study on X-ray Spectra of Obscured AGNs based on Monte Carlo simulation - an interpretation of observed wide-band spectraMonte Carlo simulation is one of the best tools to study the complex spectra of Compton-thick AGNs and to figure out the relation between their nuclear structures and X-ray spectra. We have simulated…Shinya Ikeda, Hisamitsu Awaki, Yuichi Terashima·Oct 22, 2008SaveLearn
The ANTARES underwater neutrino telescopeANTARES is the first undersea neutrino telescope. It is in its complete configuration since May 2008 at about 2.5 km below the sea surface close to Marseille. Data from 12 lines are being analyzed…Teresa Montaruli·Oct 21, 2008SaveLearn
The Pierre Auger Cosmic Ray Observatory, Comments on Recent ResultsThe Pierre Auger Observatory has been taking data on the highest energy cosmic rays for the equivalent of over a year of full detector aperture. Comments are presented on results published so far.Carlos Hojvat·Oct 21, 2008SaveLearn
Optical Spectroscopy of X-ray sources in the Extended Chandra Deep Field SouthWe present the first results of our optical spectroscopy program aimed to provide redshifts and identifications for the X-ray sources in the Extended Chandra Deep Field South. A total of 339 sources…E. Treister, S. Virani, E. Gawiser et al.·Oct 21, 2008SaveLearn
Abundance Stratification of Exoplanet Host StarsThis paper has been withdrawn due to a copyright restrictions.C. Saffe, H. Levato, Z. Lopez-Garcia et al.·Oct 21, 2008SaveLearn
Present state and promises of the RAVE surveyThe RAdial Velocity Experiment (RAVE) is an ambitious survey to measure the radial velocities, temperatures, surface gravities, metallicities and abundance ratios for up to a million stars using the…M. Steinmetz, A. Siebert, T. Zwitter·Oct 21, 2008SaveLearn
A model-independent test for scale-dependent non-Gaussianities in the CMBWe present a model-independent method to test for scale-dependent non-Gaussianities in combination with scaling indices as test statistics. Therefore, surrogate data sets are generated, in which the…C. Raeth, G. Morfill, G. Rossmanith et al.·Oct 21, 2008SaveLearn
Dynamical evolution of rotating dense stellar systems with embedded black holesEvolution of self-gravitating rotating dense stellar systems (e.g. globular clusters, galactic nuclei) with embedded black holes is investigated. The interaction between the black hole and stellar…J. Fiestas, R. Spurzem·Oct 21, 2008SaveLearn
X-ray studies of HESS J1837--069 with Suzaku and ASCA: a VHE gamma-ray source originated from the pulsar wind nebulaWe present the ASCA and Suzaku studies of the TeV source HESS J1837--069, which has not been identified in other wave-lengths. We confirm the presence of two X-ray sources in the Suzaku XIS image, AX…Takayasu Anada, Ken Ebisawa, Tadayasu Dotani et al.·Oct 21, 2008SaveLearn
Density effect on multi-wavelength luminosities on star formation regions in NGC 3184 and NGC 3938We analyzed the regions of star formation in the spiral galaxies NGC 3184 and NGC 3938 from archive images at multiple wavelengths (NUV from GALEX, H-alpha from JKT and KPNO, 8 and 24 um from…A. Caldú-Primo, I. Cruz-González, C. Morisset·Oct 21, 2008SaveLearn
The Clustering and Host Halos of Galaxy Mergers at High RedshiftHigh-resolution simulations of cosmological structure formation indicate that dark matter substructure in dense environments, like groups and clusters, may survive for a long time. These dark matter…Andrew R. Wetzel, J. D. Cohn, Martin White·Oct 21, 2008SaveLearn
Spatially Resolved Stellar Populations of Eight GOODS-South AGN at z~1We present a pilot study of the stellar populations of 8 AGN hosts at z~1 and compare to (1) lower redshift samples and (2) a sample of nonactive galaxies of similar redshift. We utilize K'…S. Mark Ammons, Jason Melbourne, Claire E. Max et al.·Oct 21, 2008SaveLearn