The WFI Halpha spectroscopic surveyThis document presents the results from our spectroscopic survey of Halpha emitters in galactic and SMC open clusters with the ESO Wide Field Imager in its slitless spectroscopic mode. First of all,…Christophe Martayan, Dietrich Baade, Juan Fabregat·Sep 25, 2008SaveLearn
The Gaia satellite: a tool for Emission Line Stars and Hot StarsThe Gaia satellite will be launched at the end of 2011. It will observe at least 1 billion stars, and among them several million emission line stars and hot stars. Gaia will provide parallaxes for…Christophe Martayan, Yves Fremat, Ronny Blomme et al.·Sep 25, 2008SaveLearn
IGR J18483-0311: a new intermediate supergiant fast X-ray transientIGR J18483-0311 is a high-mass X-ray binary recently discovered by INTEGRAL. Its periodic fast X-ray transient activity and its position in the Corbet diagram - although ambiguous - led to the…F. Rahoui, S. Chaty·Sep 25, 2008SaveLearn
PHotometry Assisted Spectral Extraction (PHASE) and identification of SNLS supernovaeAim: We present new extraction and identification techniques for supernova (SN) spectra developed within the Supernova Legacy Survey (SNLS) collaboration. Method: The new spectral extraction method…S. Baumont, C. Balland, P. Astier et al.·Sep 25, 2008SaveLearn
ASTEP South: An Antarctic Search for Transiting Planets around the celestial South poleASTEP South is the first phase of the ASTEP project that aims to determine the quality of Dome C as a site for future photometric searches for transiting exoplanets and discover extrasolar planets…Nicolas Crouzet, Karim Agabi, Alain Blazit et al.·Sep 25, 2008SaveLearn
Evolution of newly formed dust in Population III supernova remnants and its impact on the elemental composition of Population II.5 starsWe investigate the evolution of dust formed in Population III supernovae (SNe) by considering its transport and processing by sputtering within the SN remnants (SNRs). We find that the fates of dust…Takaya Nozawa, Takashi Kozasa, Asao Habe et al.·Sep 25, 2008SaveLearn
Coronal activity with XMM-Newton and ChandraXMM-Newton and Chandra have greatly deepened our knowledge of stellar coronae giving access to a variety of new diagnostics such that nowadays a review of stellar X-ray astronomy necessarily must…Beate Stelzer·Sep 25, 2008SaveLearn
A three dimensional object point process for detection of cosmic filamentsWe propose to apply an object point process to automatically delineate filaments of the large-scale structure in redshift catalogues. We illustrate the feasibility of the idea on an example of the…Radu S. Stoica, Vicent J. Martinez, Enn Saar·Sep 25, 2008SaveLearn
Stability of organic molecules against shocks in the young Solar nebulaOne of the fundamental astrobiology questions is how life has formed in our Solar System. In this context the formation and stability of abiotic organic molecules such as CH4, formic acid and amino…Inga Kamp, Milica Milosavljevic·Sep 25, 2008SaveLearn
Short term aperiodic variability of X-ray binaries: its origin and implicationsIn this review I briefly describe the latest advances in studies of aperiodic variability of accreting X-ray binaries and outline the model which currently describe the majority of observational…M. Revnivtsev·Sep 25, 2008SaveLearn
The AstraLux large M dwarf surveyAstraLux is the Lucky Imaging camera for the Calar Alto 2.2-m telescope and the 3.5-m NTT at La Silla. It allows nearly diffraction limited imaging in the SDSS i' and z' bands of objects as…Felix Hormuth, Wolfgang Brandner, Markus Janson et al.·Sep 25, 2008SaveLearn
The Sizes and Luminosities of Massive Star ClustersThe masses of star clusters range over seven decades, from ten up to one hundred million solar masses. Remarkably, clusters with masses in the range 104 to 106 solar mases show no systematic…N. W. Murray·Sep 25, 2008SaveLearn
Extended Commissioning and Calibration of the Dual-Beam Imaging PolarimeterIn our previous paper (Masiero et al. 2007) we presented the design and initial calibrations of the Dual-Beam Imaging Polarimeter (DBIP), a new optical instrument for the University of Hawaii's…Joseph Masiero, Klaus Hodapp, David Harrington et al.·Sep 25, 2008SaveLearn
The 16OH/18OH and OD/OH isotope ratios in comet C/2002 T7 (LINEAR)The 16OH/18OH and OD/OH isotope ratios are measured in the Oort-Cloud comet C/2002 T7 (LINEAR) through ground-based observations of the OH ultraviolet bands at 3063 A (0,0) and 3121 A (1,1) secured…D. Hutsemekers, J. Manfroid, E. Jehin et al.·Sep 25, 2008SaveLearn
The Formation & Evolution of Galaxies Making Up the CIRB : FIR/Submm Extragalactic Surveys From Dome CThe science case for FIR/Submm surveys of the extragalactic sky to be carried from Dome C are reviewed. The main questions concerning the formation and evolution of galaxies making up the CIRB are…Mattia Vaccari, Alberto Franceschini·Sep 25, 2008SaveLearn
Calibrated griz magnitudes of Tycho stars: All-sky photometric calibration using bright starsPhotometric calibration to 5% accuracy is frequently needed at arbitrary celestial locations; however, existing all-sky astronomical catalogs do not reach this accuracy and time consuming photometric…E. O. Ofek·Sep 25, 2008SaveLearn
Formation of Jets and Equatorial Superrotation on JupiterThe zonal flow in Jupiter's upper troposphere is organized into alternating retrograde and prograde jets, with a prograde (superrotating) jet at the equator. Existing models posit as the driver…Tapio Schneider, Junjun Liu·Sep 24, 2008SaveLearn
HAT-P-10b: A light and moderately hot Jupiter transiting a K dwarfWe report on the discovery of HAT-P-10b, the lowest mass (0.46 +/- 0.03 MJ) transiting extrasolar planet (TEP) discovered to date by transit searches. HAT-P-10b orbits the moderately bright V=11.89 K…G. A. Bakos, A. Pal, G. Torres et al.·Sep 24, 2008SaveLearn
Star Clusters Around Recoiled Black Holes in the Milky Way HaloGravitational wave emission by coalescing black holes (BHs) kicks the remnant BH with a typical velocity of hundreds of km/s. This velocity is sufficiently large to remove the remnant BH from a…Ryan M. O'Leary, Abraham Loeb·Sep 24, 2008SaveLearn
Nonthermal X-Rays from Supernova Remnant G330.2+1.0 and the Characteristics of its Central Compact ObjectWe present results from our X-ray data analysis of the SNR G330.2+1.0 and its CCO, CXOU J160103.1--513353 (J1601). Using our XMM-Newton and Chandra observations, we find that the X-ray spectrum of…Sangwook Park, Oleg Kargaltsev, George G. Pavlov et al.·Sep 24, 2008SaveLearn
On the Detectability of the Hydrogen 3-cm Fine Structure Line from the EoRA soft ultraviolet radiation field, 10.2 eV < E <13.6 eV, that permeates neutral intergalactic gas during the Epoch of Reionization (EoR) excites the 2p (directly) and 2s (indirectly) states of…Mark Dijkstra, Adam Lidz, Jonathan R. Pritchard et al.·Sep 24, 2008SaveLearn
A Subaru Pencil-beam Search for mR~27 Trans-neptunian bodiesWe present the results of an archival search for Trans-neptunian objects (TNOs) in an ecliptic field observed with Subaru in 2002. The depth of the search allowed us to find 20 new TNOs with…Cesar I. Fuentes, Matthew R. George, Matthew J. Holman·Sep 24, 2008SaveLearn
Long Term X-ray Monitoring Of The TeV Binary LS I +61 303 with RXTEWe report on the results of a long term X-ray monitoring campaign of the galactic binary LS I +61 303 performed by the Rossi X-ray Timing Explorer. This dataset consists of 1 ks pointings taken every…A. Smith, P. Kaaret, J. Holder et al.·Sep 24, 2008SaveLearn
Origin of intermittent accretion-powered X-ray oscillations in neutron stars with millisecond spin periodsWe have shown previously that many of the properties of persistent accretion-powered millisecond pulsars can be understood if their X-ray emitting areas are near their spin axes and move as the…Frederick K. Lamb, Stratos Boutloukos, Sandor Van Wassenhove et al.·Sep 24, 2008SaveLearn
A New, Efficient Stellar Evolution Code for Calculating Complete Evolutionary TracksWe present a new stellar evolution code and a set of results, demonstrating its capability at calculating full evolutionary tracks for a wide range of masses and metallicities. The code is fast and…Attay Kovetz, Ofer Yaron, Dina Prialnik·Sep 24, 2008SaveLearn