Spatial motion of the Magellanic Clouds. Tidal models ruled out?Recently, Kallivayalil et al. derived new values of the proper motion for the Large and Small Magellanic Clouds (LMC and SMC, respectively). The spatial velocities of both Clouds are unexpectedly…Adam Ruzicka, Christian Theis, Jan Palous·Oct 6, 2008SaveLearn
The Diverse Solar Phase Curves of Distant Icy Bodies. II. The Cause of the Opposition Surges and Their CorrelationsWe collect well-measured opposition surge properties for many icy bodies orbiting the Sun (mostly from our own observations) plus for many icy moons, resulting in a data base of surface and orbital…Bradley E. Schaefer, David L. Rabinowitz, Suzanne W. Tourtellotte·Oct 6, 2008SaveLearn
Comparison of statistical treatments for the equation of state for core-collapse supernovaeNeutrinos emitted during the collapse, bounce and subsequent explosion provide information about supernova dynamics. The neutrino spectra are determined by weak interactions with nuclei and nucleons…S. R. Souza, A. W. Steiner, W. G. Lynch et al.·Oct 6, 2008SaveLearn
MAXI, LOFAR and Microquasars - All-sky monitoring of X-ray binaries in X-rays and radioIn this paper I will discuss future synergies between the Japanese MAXI X-ray all-sky monitor, to be placed on the International Space Station in 2009, and the next-generation radio astronomy array…Rob Fender·Oct 6, 2008SaveLearn
High energy astrophysics with the next generation of radio astronomy facilitiesHigh energy astrophysics has made good use of combined high energy (X-ray, gamma-ray) and radio observations to uncover connections between outbursts, accretion, particle acceleration and kinetic…Rob Fender·Oct 6, 2008SaveLearn
Two-colour photometry of the binary planetary nebula nuclei UU Sagitte and V477 Lyrae: oversized secondaries in post-common-envelope binariesWe present new V and R-passband CCD photometry of UU Sge and V477 Lyr, the eclipsing binary nuclei of the planetary nebulae Abell 63 and Abell 46, respectively. We have performed a simultaneous…M. Afşar, C. İbanoǧlu·Oct 6, 2008SaveLearn
"Normal" FRII Radio Galaxies as a Probe of the Nature of X-Shaped Radio SourcesWe present a multiwavelength radio study of a sample of nearby Fanaroff-Riley class II (FRII) radio galaxies, matched with the sample of known X-shaped radio sources in size, morphological properties…Dharam Vir Lal, Martin J. Hardcastle, Ralph P. Kraft·Oct 6, 2008SaveLearn
Array configuration studies for the SKA -- Implementation of figures of merit based on SDRThe Square Kilometre Array is going to become operational at the time when several new large optical, X-ray and Gamma-ray telescopes are expected to be working. The main drive for building the SKA is…Dharam V. Lal, Andrei P. Lobanov·Oct 6, 2008SaveLearn
GMRT study of X-shaped radio sourcesContext. The nature of X-shaped sources is a matter of considerable debate in the literature: it has even been proposed that they provide evidence for black-hole-mergers/spin-reorientation, and…Dharam Vir Lal, A. Pramesh Rao, Martin J. Hardcastle et al.·Oct 6, 2008SaveLearn
The efficiency of convective tidal viscosity in close solar-type binariesThe value of the effective convective viscosity, in the framework of the mixing length theory (MLT), is 2 orders of magnitude too small compared to that required by the observational data. Moreover,…Itzhak Goldman·Oct 6, 2008SaveLearn
Star Formation in the Rosette ComplexThe Rosette Complex in the constellation of Monoceros is a magnificent laboratory for the study of star formation. The region presents an interesting scenario, in which an expanding HII region…Carlos G. Román-Zúñiga, Elizabeth A. Lada·Oct 6, 2008SaveLearn
Astronomical site selection: On the use of satellite data for aerosol content monitoringThe main goal of this work is the analysis of new approaches to the study of the properties of astronomical sites. In particular, satellite data measuring aerosols have recently been proposed as a…A. M. Varela, C. Bertolin, C. Muñoz-Tuñón et al.·Oct 6, 2008SaveLearn
Transiting exoplanets from the CoRoT space mission VI. CoRoT-Exo-3b: The first secure inhabitant of the brown-dwarf desertContext. The CoRoT space mission routinely provides high-precision photometric measurements of thousands of stars that have been continuously observed for months. Aims. The discovery and…M. Deleuil, H. J. Deeg, R. Alonso et al.·Oct 6, 2008SaveLearn
Obscuring clouds playing hide-and-seek in the Active Nucleus H0557-385This paper reports on two XMM-Newton observations of the Seyfert 1 Galaxy H0557-385 obtained in 2006, which show the source at an historical low flux state, more than a factor of 10 lower than a…A. L. Longinotti, S. Bianchi, L. Ballo et al.·Oct 6, 2008SaveLearn
Supernova 2008D: A Repetition of Supernova 1987A In a BinaryThe Supernova 2008D is similar to that of SN 1987A without the H-envelope. Soderberg et al.(2008) reported the serendipitous discovery of the SN2008D at the time of the explosion, accompanied by an…Gerald E. Brown, Chang-Hwan Lee·Oct 6, 2008SaveLearn
A multi-transition molecular line study of inward motions towards massive star-forming coresA multi-transition 3 mm molecular line single-pointing and mapping survey was carried out towards 29 massive star-forming cores in order to search for the signature of inward motions. Up to seven…Yan Sun, Yu Gao·Oct 6, 2008SaveLearn
New CTI Correction Method for the Spaced-Row Charge Injection of the Suzaku X-Ray Imaging SpectrometerThe charge transfer inefficiency (CTI) of the X-ray CCDs on board the Suzaku satellite (X-ray Imaging Spectrometers; XIS) has increased since the launch due to radiation damage, and the energy…Hideki Uchiyama, Midori Ozawa, Hironori Matsumoto et al.·Oct 6, 2008SaveLearn
Morphology Classification and Photometric Redshift Measurement of GalaxiesBased on the Sloan Digital Sky Survey Data Release 5 Galaxy Sample, we explore photometric morphology classification and redshift estimation of galaxies using photometric data and known spectroscopic…Yanxia Zhang, Lili Li, Yongheng Zhao·Oct 6, 2008SaveLearn
Outer-gap vs. Slot-gap Models for Pulsar High Energy Emissions: The Case of the Crab PulsarWe analytically examine the capabilities of rotation-powered pulsars as the sources of gamma-rays and show that their phase-averaged gamma-ray flux is proportional to the product of the spin-down…Kouichi Hirotani·Oct 6, 2008SaveLearn
Cluster detection in weak lensing surveysWe present an efficient and robust approach for extracting clusters of galaxies from weak lensing survey data and measuring their properties. We use simple, physically-motivated cluster models…F. Feroz, P. J. Marshall, M. P. Hobson·Oct 6, 2008SaveLearn
Modeling Nonlinear Evolution of Baryon Acoustic Oscillations: Convergence Regime of N-body Simulations and Analytic ModelsWe use a series of cosmological N-body simulations and various analytic models to study the evolution of the matter power spectrum in real space in a ΛCold Dark Matter universe. We compare the…Takahiro Nishimichi, Akihito Shirata, Atsushi Taruya et al.·Oct 5, 2008SaveLearn
VERITAS Studies of the Supernova Remnants Cas A and IC 443VERITAS observed the supernova remnants Cassiopeia A (Cas A) and IC 443 during 2007, resulting in strong TeV detections of both sources. Cas A is a young remnant, and bright in both the radio and…Thomas Brian Humensky·Oct 5, 2008SaveLearn
AGN heating and ICM cooling in the HIFLUGCS sample of galaxy clustersWe have carried out an intensive study of the AGN heating-ICM cooling network by comparing various cluster parameters of the HIFLUGCS sample to the integrated radio luminosity of the central AGN,…Rupal Mittal, Daniel S. Hudson, Thomas H. Reiprich et al.·Oct 5, 2008SaveLearn
HVS7: a chemically peculiar hyper-velocity starContext: Hyper-velocity stars are suggested to originate from the dynamical interaction of binary stars with the supermassive black hole in the Galactic centre (GC), which accelerates one component…N. Przybilla, M. F. Nieva, A. Tillich et al.·Oct 5, 2008SaveLearn
The Identification of New Stellar Groupings in the M81 Debris FieldThe stellar content of the debris field around M81 is investigated using deep images obtained with MegaCam on the Canada-France-Hawaii Telescope. Three new concentrations of bright main sequence…T. J. Davidge·Oct 5, 2008SaveLearn