tipa -- 9/28/2009

Detection of Gamma Rays From a Starburst Galaxy

• Authors: The HESS Collaboration: F. Acero, et al

Supernovae as seen by off-center observers in a local void

• Authors: Michael Blomqvist, Edvard Mortsell

classic papers of the week -- 117

Formation of galaxies and large-scale structure with cold dark matter

• Blumenthal, G. R.; Faber, S. M. (Lick Observatory, Santa Cruz, CA); Primack, J. R. (University of California, Santa Cruz; Stanford University); Rees, M. J. (Cambridge University; University of California, Santa Barbara)

Fourth Test of General Relativity

• Shapiro, Irwin I. (Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA)

Evidence of Heavy Neutrino Emission in beta Decay

• J.J. Simpson (University of Guelph, Guelph, Ontario, Canada)

tipa -- 9/25/2009

Prompt Ia Supernovae Are Significantly Delayed

• Authors: Cody Raskin, Evan Scannapieco, James Rhoads, Massimo Della Valle

Stellar Binary Companions to Supernova Progenitors

• Authors: C. S. Kochanek (Department of Astronomy, The Ohio State University)

Stellar Kinematics of Young Clusters in Turbulent Hydrodynamic Simulations

• Authors: S. S. R. Offner, C. E. Hansen, M. R. Krumholz

tipa -- 9/24/2009

UV Continuum Slope and Dust Obscuration from z~6 to z~2: The Star Formation Rate Density at High Redshift

• Authors: R.J. Bouwens (UCSC), G.D. Illingworth (UCSC), M. Franx (Leiden Observatory), R-R. Chary (SSC), G.R. Meurer (JHU), C.J. Conselice (Nottingham), H. Ford (JHU), M. Giavalisco (U Mass), P. van Dokkum (Yale)

Thermal Relic Abundances of Particles with Velocity-Dependent Interactions

• Authors: James B. Dent, Sourish Dutta, Robert J. Scherrer

Constraints on Star Forming Galaxies at z> 6.5 from HAWK-I Y-band Imaging of GOODS-South

• Authors: Samantha Hickey (1), Andrew Bunker (2,3), Matt J. Jarvis (1), Kuenley Chiu (3), David Bonfield (1) ((1) Hertfordshire, (2) Oxford, (3) AAO/Exeter)

VLTI/AMBER unveils a possible dusty pinwheel nebula in WR118

• Authors: Florentin Millour (MPIFR), Thomas Driebe (MPIFR), Olivier Chesneau (FIZEAU), José Groh (MPIFR), Karl-Heinz Hofmann (MPIFR), Koji Murakawa (MPIFR), Keiichi Ohnaka (MPIFR), Dieter Schertl (MPIFR), Gerd Weigelt (MPIFR)

Pamela, FGST and Sub-Tev Dark Matter

• Authors: Dan Hooper, Kathryn M. Zurek

tipa -- 9/23/2009

The Gas Consumption History to z ~ 4

• Authors: Amber Bauermeister, Leo Blitz, Chung-Pei Ma

The discovery of a pulsar wind nebula around the magnetar candidate AXP 1E1547.0-5408

• Authors: Jacco Vink (Utrecht University, The Netherlands), Aya Bamba (ISAS/JAXA, Japan)

A weak lensing detection of a deviation from General Relativity on cosmic scales

• Authors: Rachel Bean

Does the Universe Accelerate Equally in all Directions?

• Authors: R. Cooke, D. Lynden-Bell (IoA, Cambridge)

An extremely prolific supernova factory in the buried nucleus of the starburst galaxy IC 694

• Authors: M.A. Perez-Torres, C. Romero-Canizales, A. Alberdi, A. Polatidis

Positron transport in the interstellar medium

• Authors: P. Jean, W. Gillard, A. Marcowith, K. Ferrière

tipa -- 9/22/2009

The Stellar Mass Density and Specific Star Formation Rates of the Universe at z~7

• Authors: Valentino Gonzalez (UCSC), Ivo Labbe (OCIW), Rychard J. Bouwens (UCSC), Garth Illingworth (UCSC), Marijn Franx (Leiden Observatory), Mariska Kriek (Princeton University), Gabriel B. Brammer (Yale University)

Radio Emission from Young Supernovae and Supernova Remnants in Arp 299

• Authors: James S. Ulvestad

Searches for gravitational waves from known pulsars with S5 LIGO data

• Authors: The LIGO Scientific Collaboration, The Virgo Collaboration

Going out with a bang: compact object collisions resulting from supernovae in binary systems

• Authors: Eleonora Troja, Graham A. Wynn, Paul T. O'Brien, Stephan Rosswog

Extensive optical and near-infrared observations of the nearby, narrow-lined type Ic SN 2007gr: days 5 to 415

• Authors: Deborah J. Hunter (1), Stefano Valenti (1), Rubina Kotak (1), Peter Meikle (2), Stefan Taubenberger (3), Andrea Pastorello (1), Stefano Benetti (4), Vallery Stanishev (4), Steven J. Smartt (1), Carrie Trundle (1), Arkady A. Arkharov (5, 6), Milena Bufano (7), Enrico Cappellaro (7), Elisa Di Carlo (7), Mauro Dolci (7), Nancy Elias-Rosa (8), Soeren Frandsen (9), Johan U. Fynbo (10), Ulrich Hopp (11, 12), Valeri M. Larionov (5,6), Peter Laursen (10), Paolo Mazzali (3, 4, 13), Hripsime Navasardyan (4), Christoph Ries (11), Arno Riffeser (11), Luca Rizzi (14), Dmitrii Y. Tsvetkov (15), Massimo Turatto (4), Silona Wilke (11) ((1) Queen's University Belfast, UK (2) Imperial College London, UK (3) MPA Garching (4) INAF Padova (5) Pulkovo Central Astronomical Observatory (6) Astronomical Institute of St Petersburg (7) INAF Teramo (8) Spitzer Science Centre (9) Arhus University (10) Dark Cosmology Centre (11) University of Munich (12) MPE Garching (13) Scuola Normale Superiore, Pisa (14) JAC, Hawaii (15) Sternberg Astronomical Institute)

Gamma-ray Astronomy with Muons: Sensitivity of IceCube to PeVatrons in the Southern Sky

• Authors: Francis Halzen, Alexander Kappes, Aongus O'Murchadha

tipa -- 9/21/2009

The SPLASH Survey: A Spectroscopic Analysis of the Metal-Poor, Low-Luminosity M31 dSph Satellite Andromeda X

• Authors: Jason S. Kalirai, Daniel B. Zucker, Puragra Guhathakurta, Marla Geha, Alexei Y. Kniazev, David Martinez-Delgado, Eric F. Bell, Eva K. Grebel, Karoline M. Gilbert

Direct Constraints on Minimal Supersymmetry from Fermi-LAT Observations of the Dwarf Galaxy Segue 1

• Authors: Pat Scott (1), Jan Conrad (1), Joakim Edsjö (1), Lars Bergström (1), Christian Farnier (2), Yashar Akrami (1) ((1) OKC/Stockholm U., (2) LPTA, CNRS/IN2P3)

The High Energy Emission of the Crab Nebula from 20 keV to 6 MeV with INTEGRAL

• Authors: E. Jourdain, J. P. Roques

The small scale clustering properties of ultra-high energy cosmic rays as a constraint on the particle charge and intervening magnetic fields

• Authors: Patrick Younk

Fundamental Theoretical Bias in Gravitational Wave Astrophysics and the Parameterized Post-Einsteinian Framework

• Authors: Nicolas Yunes, Frans Pretorius

classic papers of the week -- 116

The Cosmological Constant Problem

• Steven Weinberg (Theory Group, Department of Physics, University of Texas, Austin, TX)

Strange Matter

• Edward Farhi, R.L. Jaffe, (Center for Theoretical Physics, Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology)

Equilibrium Points in N-Person Games

also

• John F. Nash, Jr. (Princeton University)

tipa -- 9/18/2009

Multi-Element Abundance Measurements from Medium-Resolution Spectra. I. The Sculptor Dwarf Spheroidal Galaxy

• Authors: Evan N. Kirby (1), Puragra Guhathakurta (1), Michael Bolte (1), Christopher Sneden (2), Marla C. Geha (3) ((1) University of California Observatories/Lick Observatory, (2) University of Texas Austin, (3) Yale University)

The Role of Column Density in the Formation of Stars and Black Holes

• Authors: Richard B. Larson

First redshift determination of an optically/UV faint submillimeter galaxy using CO emission lines

• Authors: A. Weiss, R.J. Ivison, D. Downes, F. Walter, M. Cirasuolo, K.M. Menten

MAGIC Gamma-Ray Observation of the Perseus Galaxy Cluster

• Authors: The MAGIC Collaboration: J. Aleksic, et al., C. Pfrommer, A. Pinzke, T.A. Ensslin, S. Inoue, G. Ghisellini

From the LHC to Future Colliders

• Authors: A. De Roeck, J. Ellis, C. Grojean, S. Heinemeyer, K. Jakobs, G. Weiglein, J. Wells, G. Azuelos, S. Dawson, B. Gripaios, T. Han, J. Hewett, M. Lancaster, C. Mariotti, F. Moortgat, G. Moortgat-Pick, G. Polesello, S. Riemann, M. Schumacher, K. Assamagan, P. Bechtle, M. Carena, G. Chachamis, K.F. Chen, S. De Curtis, K. Desch, M. Dittmar, H. Dreiner, M. Dührssen, B. Foster, M.T. Frandsen, A. Giammanco, R. Godbole, P. Govoni, J. Gunion, W. Hollik, W.S. Hou, G. Isidori, A. Juste, J. Kalinowski, A. Korytov, E. Kou, S. Kraml, M. Krawczyk, A. Martin, D. Milstead, V. Morton-Thurtle, K. Moenig, B. Mele, E. Ozcan, M. Pieri, T. Plehn, L. Reina, E. Richter-Was, T. Rizzo, K. Rolbiecki, F. Sannino, M. Schram, J. Smillie, S. Sultansoy, J. Tattersall, P. Uwer, B. Webber, P. Wienemann

tipa -- 9/17/2009

Short gamma-ray bursts from tidal capture and collisions of compact stars in globular clusters

• Authors: William H. Lee (IA-UNAM), Enrico Ramirez-Ruiz (UCSC), Glenn van de Ven (IAS, MPIA)

Note on galaxy catalogues in UHECR flux modelling

• Authors: Hylke B. J. Koers, Peter Tinyakov

Dark Force Detection in Low Energy e-p Collisions

• Authors: Marat Freytsis, Grigory Ovanesyan, Jesse Thaler

tipa -- 9/16/2009

Shock Breakout from Type Ia Supernova

• Authors: Anthony L. Piro (1), Philip Chang (1, 2), Nevin N. Weinberg (1) ((1) UC Berkeley, (2) CITA)

New Solar Composition: The Problem With Solar Models Revisited

• Authors: Aldo Serenelli (Max Planck Institute for Astrophysics), Sarbani Basu (Yale University), Jason W. Ferguson (Wichita State University), Martin Asplund (Max Planck Institute for Astrophysics)

Correlation of Supernova Remnant Masers and Gamma-Ray Sources

• Authors: John W. Hewitt, Farhad Yusef-Zadeh, Mark Wardle

tipa -- 9/15/2009

Fermi Observations of GRB 090902B: A Distinct Spectral Component in the Prompt and Delayed Emission

• Authors: The Fermi/GBM collaboration, The Fermi/LAT Collaborations, The Swift Team

The Contribution of High Redshift Galaxies to Cosmic Reionization: New Results from Deep WFC3 Imaging of the Hubble Ultra Deep Field

• Authors: Andrew Bunker (1), Stephen Wilkins (1), Richard Ellis (2), Daniel Stark (3), Silvio Lorenzoni (1), Kuenley Chiu (2), Mark Lacy (4) ((1) Physics Department, University of Oxford, (2) Caltech Astophysics, (3) Institute of Astronomy, Cambridge, (4) NRAO, Charlottesville)

Nonthermal Radiation of Young Supernova Remnants

• Authors: V.N.Zirakashvili, F.A.Aharonian

Galaxies at z = 6 - 9 from the WFC3/IR imaging of the HUDF

• Authors: R.J. McLure, J.S. Dunlop, M. Cirasuolo, A.M. Koekemoer, E. Sabbi, D.P. Stark, T.A. Targett, R.S. Ellis

Measurement of sound speed vs. depth in South Pole ice for neutrino astronomy

• Authors: The IceCube Collaboration

tipa -- 9/14/2009

Neutrino mass limit from tritium beta decay

• Authors: E. W. Otten, C. Weinheimer

String Phenomenology at the LHC

• Authors: Luis A. Anchordoqui, Haim Goldberg, Dieter Lust, Stephan Stieberger, Tomasz R. Taylor

classic papers of the week -- 115

Evidence from the motions of old stars that the Galaxy collapsed

• Eggen, O. J.; Lynden-Bell, D.; Sandage, A. R.

Supersymmetric Relics from the Big Bang

• John R. Ellis, J.S. Hagelin (Stanford Linear Accelerator Center), Dimitri V. Nanopoulos, Keith A. Olive, M. Srednicki (CERN)

The Highest Aim of the Physicist

Or here

• Henry A. Rowland

tipa -- 9/11/2009

z~8 galaxies from ultra-deep WFC3/IR Observations over the HUDF

• Authors: R.J. Bouwens (UCSC/Leiden), G.D. Illingworth (UCSC), P.A. Oesch (ETH Zurich), M. Stiavelli (STScI), P. van Dokkum (Yale), M. Trenti (Colorado), D. Magee (UCSC), I. Labbe (OCIW), M. Franx (Leiden), M. Carollo (ETH Zurich)

Hubble Space Telescope Observations of Short GRB Host Galaxies: Morphologies, Offsets, and Local Environments

• Authors: Wen-fai Fong (Harvard), Edo Berger (Harvard), Derek B. Fox (PSU)

z~7 Galaxies in the HUDF: First Epoch WFC3/IR Results

• Authors: P. A. Oesch, R. J. Bouwens, G. D. Illingworth, C. M. Carollo, M. Franx, I. Labbe, D. Magee, M. Stiavelli, M. Trenti, P. G. van Dokkum

Are all short-hard gamma-ray bursts produced from mergers of compact stellar objects?

• Authors: Francisco J. Virgili, Bing Zhang, Paul O'Brien, Eleonora Troja

NGC 300 OT2008-1 As a Scaled-Down Version of the Eta Carinae Great Eruption

• Authors: Amit Kashi, Adam Frankowski, Noam Soker

Further Searches for RRATs in the Parkes Multi-Beam Pulsar Survey

• Authors: E. F. Keane (1), D. A. Ludovici (2), R. P. Eatough (1), M. Kramer (1,3), A. G. Lyne (1), M. A. McLaughlin (2,4), B. W. Stappers (1). (1 - Jodrell Bank Centre for Astrophysics, University of Manchester, 2 - Dept. of Physics, University of West Virginia, 3 - Max Planck Institut fur Radioastronomie, Bonn, 4 - National Radio Astronomy Observatory, Green Bank)

Tidal break-up of binary stars at the Galactic center and its consequences

• Authors: Fabio Antonini, Joshua Faber, Alessia Gualandris, David Merritt

Sources of the Radio Background Considered

• Authors: J. Singal, L. Stawarz, A. Lawrence, V. Petrosian

tipa -- 9/10/2009

The relation between the most-massive star and its parental star cluster mass

• Authors: C. Weidner (1,2), P. Kroupa (3), I. Bonnell (1) ((1) St Andrews University, (2) Pontificia Universidad Catolica de Chile, (3) AIfA Bonn)

The Extragalactic Background Light Absorption Feature in the Blazar Component of the Extragalactic Gamma-ray Background

• Authors: Tonia M. Venters (U. Chicago), Vasiliki Pavlidou (Caltech), Luis C. Reyes (KICP, U. Chicago)

The earliest stars and their relics in the Milky Way

• Authors: L. Gao, Tom Theuns, C. S. Frenk, A. Jenkins, J. Navarro, V. Springel, S. D. M. White

Parameter Estimation from Improved Measurements of the CMB from QUaD

• Authors: QUaD collaboration: S. Gupta (1), P. Ade (1), J. Bock (2,3), M. Bowden (1,4), M. L. Brown (5), G. Cahill (6), P. G. Castro (7,8), S. Church (4), T. Culverhouse (9), R. B. Friedman (9), K. Ganga (10), W. K. Gear (1), J. Hinderks (5,11), J. Kovac (3), A. E. Lange (4), E. Leitch (2,3), S. J. Melhuish (12), Y. Memari (7), J. A. Murphy (6), A. Orlando (1,3), C. O'Sullivan (6), L. Piccirillo (12), C. Pryke (9), N. Rajguru (1,13), B. Rusholme (4,14), R. Schwarz (9), A. N. Taylor (7), K. L. Thompson (4), A. H. Turner (1), E. Y. S. Wu (4), M. Zemcov (1,2,3) ((1) Cardiff University, (2) JPL, (3) Caltech, (4) Stanford University, (5) University of Cambridge, (6) National University of Ireland Maynooth, (7) University of Edinburgh, (8) Universidade Tecnica de Lisboa, (9) University of Chicago, (10) Laboratoire APC/CNRS, (11) NASA Goddard, (12) University of Manchester, (13) UCL, (14) IPAC)

Relativistic Rayleigh-Taylor Instability of a Decelerating Shell and its Implications for Gamma Ray Bursts

• Authors: Amir Levinson (TAU)

Modeling the light curve of the transient SCP06F6

• Authors: Emmanouil Chatzopoulos, J. Craig Wheeler, Jozsef Vinko

The influence of short term variations in AM CVn systems on LISA measurements

• Authors: Alexander Stroeer, Gijs Nelemans

The impact of a strongly first-order phase transition on the abundance of thermal relics

• Authors: Carroll Wainwright, Stefano Profumo

tipa -- 9/9/2009

The Distribution of Stars and Stellar Remnants at the Galactic Center

• Authors: David Merritt

The nature of HI absorbers in GRB afterglows: clues from hydrodynamic simulations

• Authors: Andrew Pontzen, Alis Deason, Fabio Governato, Max Pettini, James Wadsley, Thomas Quinn, Alyson Brooks, Jillian Bellovary, Johan Fynbo

X- and Gamma-Ray Flashes from Type Ia Supernovae?

• Authors: Peter Hoflich, Bradley E. Schaefer

Gamma-Ray Bursts in the Swift Era

• Authors: N. Gehrels, E. Ramirez-Ruiz, D.B. Fox

tipa -- 9/8/2009

The chemical composition of the Sun

• Authors: Martin Asplund, Nicolas Grevesse, A. Jacques Sauval, Pat Scott

Multi-Wavelength Properties of the Type IIb SN 2008ax

• Authors: P.W.A. Roming, T.A. Pritchard, P.J. Brown, S.T. Holland, S. Immler, C.J. Stockdale, K.W. Weiler, N. Panagia, S.D. Van Dyk, E.A. Hoversten, P.A. Milne, S.R. Oates, B. Russell, C. Vandrevala

Search for cosmic neutrino point sources with the 5-line ANTARES telescope

• Authors: Antares Collaboration

A formalism for the construction of binary neutron stars with arbitrary circulation

• Authors: Thomas W. Baumgarte, Stuart L. Shapiro

Bayesian reconstruction of gravitational wave burst signals from simulations of rotating stellar core collapse and bounce

• Authors: Christian Röver, Marie-Anne Bizouard, Nelson Christensen, Harald Dimmelmeier, Ik Siong Heng, Renate Meyer

Status of the global electroweak fit of the Standard Model

• Authors: Andreas Hoecker (CERN) for the Gfitter Group

tipa -- 9/7/2009

The size-star formation relation of massive galaxies at 1.5 < z < 2.5

• Authors: S. Toft, M. Franx, P. G. van Dokkum, N. M. Forster-Schreiber, I. Labbe, S. Wuyts, D. Marchesini

Testing the Gamma-Ray Burst Pulse Start Conjecture

• Authors: Jon Hakkila, Robert J. Nemiroff

Supercollapsars and their X-ray Bursts

• Authors: S.S. Komissarov, M.V. Barkov

General physical properties of bright Fermi blazars

• Authors: G. Ghisellini (1), F. Tavecchio (1), L. Foschini (1), G. Ghirlanda (1), L. Maraschi (1), A. Celotti (2) ((1) INAF-Brera Observ., (2) SISSA)

tipa -- 9/4/2009

Gamma-ray signatures of annihilation to charged leptons in dark matter substructure

• Authors: Matthew D. Kistler, Jennifer M. Siegal-Gaskins (Ohio State University)

Discovery of a new Wolf-Rayet star and its ring nebula in Cygnus

• Authors: V.V.Gvaramadze, S.Fabrika, W.-R.Hamann, O.Sholukhova, A.F.Valeev, V.P.Goranskij, A.M.Cherepashchuk, D.J.Bomans, L.M.Oskinova