Virtual Observatory activities in the AMIGA groupThe AMIGA project (Analysis of the interstellar Medium of Isolated GAlaxies) is an international collaboration led from the Instituto de Astrofísica de Andalucía (CSIC). The group's experience in…J. E. Ruíz, J. D. Santander-Vela, E. García et al.·Oct 14, 2008SaveLearn
Are the kinematics of DLAs in agreement with their arising in the gas disks of galaxies?We demonstrate in this paper that the velocity widths of the neutral gas in Damped Ly Alpha (DLA) systems are inconsistent with these systems originating in gas disks of galaxies similar to those…Martin Zwaan, Fabian Walter, Emma Ryan-Weber et al.·Oct 14, 2008SaveLearn
Mock galaxy redshift catalogues from simulations: implications for Pan-STARRS1We describe a method for constructing mock galaxy catalogues which are well suited for use in conjunction with large photometric surveys. We use the semi-analytic galaxy formation model of Bower et…Yan-Chuan Cai, Raul E. Angulo, Carlton M. Baugh et al.·Oct 13, 2008SaveLearn
Covariance of cross-correlations: towards efficient measures for large-scale structureWe study the covariance of the cross-power spectrum of different tracers for the large-scale structure. We develop the counts-in-cells framework for the multi-tracer approach, and use this to derive…Robert E. Smith·Oct 13, 2008SaveLearn
Detection of the high z GRB 080913 and its implications on progenitors and energy extraction mechanismsAims: We present multiwavelength observations of one of the most distant gamma-ray bursts detected so far, GRB 080913. Based on these observations, we consider whether it could be classified as a…D. Perez-Ramirez, A. de Ugarte Postigo, J. Gorosabel et al.·Oct 13, 2008SaveLearn
Transit timing effects due to an exomoonAs the number of known exoplanets continues to grow, the question as to whether such bodies harbour satellite systems has become one of increasing interest. In this paper, we explore the transit…David M. Kipping·Oct 13, 2008SaveLearn
High-Resolution Rotation Curves and Galaxy Mass Models from THINGSWe present rotation curves of 19 galaxies from THINGS, The HI Nearby Galaxy Survey. The high spatial and velocity resolution of THINGS make these the highest quality HI rotation curves available to…W. J. G. de Blok, F. Walter, E. Brinks et al.·Oct 13, 2008SaveLearn
Effect of multiple reusing of simulated air showers in detector simulationsThe study of high energy cosmic rays requires detailed Monte Carlo simulations of both, extensive air showers and the detectors involved in their detection. In particular, the energy calibration of…A. D. Supanitsky, G. Medina-Tanco·Oct 13, 2008SaveLearn
Gamma-Ray Burst afterglow scaling coefficients for general density profileGamma-ray burst (GRB) afterglows are well described by synchrotron emission originating from the interaction between a relativistic blast wave and the external medium surrounding the GRB progenitor.…H. J. van Eerten, R. A. M. J. Wijers·Oct 13, 2008SaveLearn
Large-Scale Magnetic-Field Generation by Randomly Forced Shearing WavesA rigorous theory for the generation of a large-scale magnetic field by random non-helically forced motions of a conducting fluid combined with a linear shear is presented in the analytically…T. Heinemann, J. C. McWilliams, A. A. Schekochihin·Oct 13, 2008SaveLearn
A study of binary constraints for seismology of delta Scuti starsSeismology of single delta Scuti stars has mainly been inhibited by failing to detect many of the theoretically predicted pulsation modes, resulting in difficulties with mode identification.…Orlagh L. Creevey·Oct 13, 2008SaveLearn
GRB 080913 at redshift 6.7We report on the detection by Swift of GRB 080913, and subsequent optical/near-infrared follow-up observations by GROND which led to the discovery of its optical/NIR afterglow and the recognition of…J. Greiner, T. Kruehler, J. P. U. Fynbo et al.·Oct 13, 2008SaveLearn
Polarization of asteroid (387) Aquitania: the newest member of a class of large inversion angle asteroidsWe present new imaging polarimetric observations of two Main Belt asteroids, (234) Barbara and (387) Aquitania, taken in the first half of 2008 using the Dual-Beam Imaging Polarimeter on the…Joseph Masiero, Alberto Cellino·Oct 13, 2008SaveLearn
The Integrated Polarization of Spiral Galaxy DisksWe present integrated polarization properties of nearby spiral galaxies at 4.8 GHz, and models for the integrated polarization of spiral galaxy disks as a function of inclination. Spiral galaxies in…Jeroen M. Stil, Marita Krause, Rainer Beck et al.·Oct 13, 2008SaveLearn
Dark matter halo merger and accretion probabilities in the excursion set formalismThe merger and accretion probabilities of dark matter halos have so far only been calculated for an infinitesimal time interval. This means that a Monte-Carlo simulation with very small time steps is…Esfandiar Alizadeh, Benjamin Wandelt·Oct 13, 2008SaveLearn
The Size Distribution of Kuiper belt objects for D> 10 kmWe have performed a survey of the Kuiper belt covering ~ 1/3 a square degree of the sky using Suprime-cam on the Subaru telescope, to a limiting magnitude of m(R)~ 26.8 (50% threshold) and have found…W. C. Fraser, J. J. Kavelaars·Oct 13, 2008SaveLearn
The Dispersed Young Population in OrionThe Orion OB1 Association, at a distance of roughly 400 pc and spanning over ~200 deg2 on the sky, is one of the largest and nearest OB associations. With a wide range of ages and environmental…Cesar Briceno·Oct 13, 2008SaveLearn
Is it necessary to go beyond the ponctual mass approximation for tidal perturber in close systems?With the discoveries of very close star-planet systems with planet orbiting sometimes at several star radius but also with well-known situations in our solar system where natural satellites are very…Stephane Mathis, Christophe Le Poncin-lafitte·Oct 13, 2008SaveLearn
Reconstructing fossil sub-structures of the Galactic disk: clues from abundance patterns of old open clusters and moving groupsThe long term goal of large-scale chemical tagging is to use stellar elemental abundances as a tracer of dispersed substructures of the Galactic disk. The identification of such lost stellar…G. M. De Silva, K. C. Freeman, J. Bland-Hawthorn·Oct 13, 2008SaveLearn
Reflection dominated X-ray spectra of Narrow Line Seyfert 1 Galaxies: Mrk 478 and EXO 1346.2+2645Multi-epoch XMM-Newton spectra of the two Narrow Line Seyfert 1 (NLS1), Mrk 478 and EXO 1346.2+2645, are presented. The data were fitted with different models, including the relativistically-blurred…A. Zoghbi, A. C. Fabian, L. C. Gallo·Oct 13, 2008SaveLearn
Microlensing of close binary starsThe gravity due to a multiple-mass system has a remarkable gravitational effect: the extreme magnification of background light sources along extended so-called caustic lines. This property has been…Nicholas J. Rattenbury·Oct 13, 2008SaveLearn
MCAO near-IR photometry of the Globular Cluster NGC 6388: MAD observations in crowded fieldsDeep photometry of crowded fields, such as Galactic Globular Clusters, is severely limited by the actual resolution of ground-based telescopes. On the other hand, the Hubble Space Telescope does not…A. Moretti, G. Piotto, C. Arcidiacono et al.·Oct 13, 2008SaveLearn
The zCOSMOS redshift survey: the three-dimensional classification cube and bimodality in galaxy physical propertiesAims. We investigate the relationships between three main optical galaxy observables (spectral properties, colours, and morphology), exploiting the data set provided by the COSMOS/zCOSMOS survey. The…M. Mignoli, G. Zamorani, M. Scodeggio et al.·Oct 13, 2008SaveLearn
XROM and RCOM: Two New OGLE-III Real Time Data Analysis SystemsWe describe two new OGLE-III real time data analysis systems: XROM and RCOM. The XROM system has been designed to provide continuous real time photometric monitoring of the optical counterparts of…A. Udalski·Oct 13, 2008SaveLearn
Mobility of D atoms on porous amorphous water ice surfaces under interstellar conditionsAims. The mobility of H atoms on the surface of interstellar dust grains at low temperature is still a matter of debate. In dense clouds, the hydrogenation of adsorbed species (i.e., CO), as well as…E. Matar, E. Congiu, F. Dulieu et al.·Oct 13, 2008SaveLearn