today in particle astrophysics

tipa -- 2/15/2008

Observation of gamma-ray emission from the galaxy M87 above 250 GeV with VERITAS

Authors: V.A. Acciari, M. Beilicke, G. Blaylock, S.M. Bradbury, J.H. Buckley, V. Bugaev, Y. Butt, O. Celik, A. Cesarini, L. Ciupik, P. Cogan, P. Colin, W. Cui, M.K. Daniel, C. Duke, T. Ergin, A.D. Falcone, S.J. Fegan, J.P. Finley, G. Finnegan, P. Fortin, L.F. Fortson, K. Gibbs, G.H. Gillanders, J. Grube, R. Guenette, G. Gyuk, D. Hanna, E. Hays, J. Holder, D. Horan, S.B. Hughes, M.C. Hui, T.B. Humensky, A. Imran, P. Kaaret, M. Kertzman, D.B. Kieda, J. Kildea, A. Konopelko, H. Krawczynski, F. Krennrich, M.J. Lang, S. LeBohec, K. Lee, G. Maier, A. McCann, M. McCutcheon, J. Millis, P. Moriarty, R. Mukherjee, T. Nagai, R.A. Ong, D. Pandel, J.S. Perkins, M. Pohl, J. Quinn, K. Ragan, P.T. Reynolds, H.J. Rose, M. Schroedter, G.H. Sembroski, A.W. Smith, D. Steele, S.P. Swordy, A. Syson J.A. Toner, L. Valcarcel, et al (9 additional authors not shown)

The Accretion Disk Wind in the Black Hole GRO J1655-40

Authors: J. M. Miller (1), J. Raymond (2), C. S. Reynolds (3), A. C. Fabian (4), T. R. Kallman (5), J. Homan (6) ((1) University of Michigan, (2) Harvard-Smithsonian CfA, (3) University of Maryland, (4) University of Cambridge, (5) NASA/GSFC, (6) MIT)

Discovery of the progenitor of the type Ia supernova 2007on

Authors: Rasmus Voss, Gijs Nelemans

On the detection of the progenitor of the type Ia supernova 2007on

Authors: Gijs Roelofs (CfA), Cees Bassa (McGill), Rasmus Voss (TU Munich), Gijs Nelemans (Nijmegen)

Determination of the Parity of the Neutral Pion via the Four-Electron Decay

Authors: E.Abouzaid, M. Arenton, A.R.Barker, L.Bellantoni, E.Blucher, G.J.Bock, E.Cheu, R.Coleman, M.D.Corcoran, B.Cox, A.R.Erwin, C.O.Escobar, A.Glazov, A.Golossanov, R.A.Gomes, P.Gouffon, Y.B.Hsiung, D.A.Jensen, R.Kessler, K.Kotera, A.Ledovskoy, P.L.McBride, E.Monnier, H.Nguyen, R.Niclasen, D.G.Phillips II, E.J.Ramberg, R.E.Ray, M.Ronquest, E.Santos, W.Slater, D.Smith, N.Solomey, E.C.Swallow, P.A.Toale, R.Tschirhart, Y.W.Wah, J.Wang, H.B.White, J.Whitmore, M.J.Wilking, B.Winstein, R.Winston, E.T.Worcester, T.Yamanaka, E.D.Zimmerman, R.F.Zukanovich

tipa -- 2/14/2008

AGILE detection of a strong gamma-ray flare from the blazar 3C 454.3

Authors: S. Vercellone (1), A.W. Chen (1,2), A. Giuliani (1), A. Bulgarelli (3), I. Donnarumma (4), I. Lapshov (4), M. Tavani (4,5), A. Argan (4), G. Barbiellini (6), P. Caraveo (1), V. Cocco (4), E. Costa (4), F. D'Ammando (4,5), E. Del Monte (4), G. De Paris (4), G. Di Cocco (3), Y. Evangelista (4), M. Feroci (4), M. Fiorini (1), T. Froysland (2,5), F. Fuschino (3), M. Galli (7), F. Gianotti (3), C. Labanti (3), F. Lazzarotto (4), P. Lipari (8), F. Longo (6), M. Marisaldi (3), F. Mauri (9), S. Mereghetti (1), A. Morselli (10), L. Pacciani (4), A. Pellizzoni (1), F. Perotti (1), P. Picozza (10), M. Prest (11), G. Pucella (4), M. Rapisarda (12), P. Soffitta (4), M. Trifoglio (3), A. Trois (4), E. Vallazza (6), V. Vittorini (5), A. Zambra (1), D. Zanello (8), C. Pittori (13), F. Verrecchia (13), et al (5 additional authors not shown)

An Extremely Luminous X-ray Outburst Marking the Birth of a Normal Supernova

Authors: A. M. Soderberg, E. Berger, K. Page, P. Schady, J. Parrent, D. Pooley, X.-Y. Wang, E. Ofek, A. Cucchiara, A. Rau, E. Waxman, J. Simon, D. Bock, P. Milne, M. Page, S. Barthelmy, A. Beardmore, M. Bietenholz, P. Brown, A. Burrows, D. N. Burrows, G. Byrngelson, S. B. Cenko, P. Chandra, J. Cummings, D. B. Fox, A. Gal-Yam, N. Gehrels, S. Immler, M. Kasliwal, A. Kong, H. Krimm, S. R. Kulkarni, P. Meszaros, E. Nakar, P. O'Brien, M. de Pasquale, J. Racusin, N. Rea

Late-time observations of SN2006gy: Still Going Strong

Authors: Nathan Smith, Ryan J. Foley, Joshua S. Bloom, Weidong Li, Alexei V. Filippenko, Raphael Gavazzi, Andrea Ghez, Quinn Konopacky, Matthew A. Malkan, Phillip J. Marshall, Tommaso Treu, Jong-Hak Woo

Galactic hard X-ray sources discovered by INTEGRAL brought to light by multi-wavelength observations. I. The nature of the companion star

Authors: Sylvain Chaty (AIME, Université Denis Diderot - Paris VII, Sap), Farid Rahoui (AIME, ESO), Cédric Foellmi (LAOG), John A. Tomsick, Jérôme Rodriguez (AIME), Roland Walter (ISDC)

Blandford, R. D. (California Institute of Technology, Pasadena, Calif.), Ostriker, J. P. (Princeton University, New Observatory, Princeton, N.J.)

Types of Novae

Zwicky, F.

tipa -- 2/7/2008

A downward revision to the distance of the 1806-20 cluster and associated magnetar from Gemini near-Infrared spectroscopy

Authors: J. L. Bibby (Sheffield), P. A. Crowther (Sheffield), J. P. Furness (Sheffield), J. S. Clark (Open University)

The Molecular Hydrogen Deficit in Gamma-Ray Burst Afterglows

Authors: Daniel Whalen, Jason X. Prochaska, Alexander Heger, Jason Tumlinson

Strategies for Determining the Nature of Dark Matter

Authors: Dan Hooper, Edward A. Baltz

tipa -- 2/6/2008

An Ultraluminous Supersoft X-ray Source in M81: An Intermediate-Mass Black Hole?

Authors: Jifeng Liu (CfA), Rosanne Di Stefano (CfA)

tipa -- 2/5/2008

A Survey About Nothing: Monitoring a Million Supergiants for Failed Supernovae

Authors: C.S. Kochanek (1,3), J.F. Beacom (1,2,3), M.D. Kistler (2,3), J.L. Prieto (1,3) K.Z. Stanek (1,3), T.A. Thompson (1,3), H. Yuksel (2,3) ((1) Department of Astronomy, The Ohio State University, (2) Department of Physics, The Ohio State University, (3) Center for Cosmology and Astroparticle Physics, The Ohio State University)

Modeling kicks from the merger of generic black-hole binaries

Authors: John G. Baker, William D. Boggs, Joan Centrella, Bernard J. Kelly, Sean T. McWilliams, M. Coleman Miller, James R. van Meter

Infrared Echoes Reveal the Shock Breakout of the Cas a Supernova

Authors: Eli Dwek, Richard G. Arendt

Collapse of magnetized hypermassive neutron stars in general relativity: Disk evolution and outflows

Authors: Branson C. Stephens, Yuk Tung Liu, Stuart L. Shapiro

tipa -- 2/4/2008

The transport of cosmic rays in self-excited magnetic turbulence

Authors: B. Reville, S. O'Sullivan, P. Duffy, J.G. Kirk

The Fundamental Constants in Physics and their Time Dependence

Authors: Harald Fritzsch

tipa -- 2/1/2008

The Persistence of Memory, or How the X-Ray Spectrum of SNR 0509-67.5 Reveals the Brightness of its Parent Type Ia Supernova

Authors: Carles Badenes, John P. Hughes, Gamil Cassam-Chenai, Eduardo Bravo

Spectral Identification of an Ancient Supernova using Light Echoes in the LMC

Authors: A. Rest, T. Matheson, S. Blondin, M. Bergmann, D. L. Welch, N. B. Suntzeff, R. C. Smith, K. Olsen, J. L. Prieto, A. Garg, P. Challis, C. Stubbs, M. Hicken, M. Modjaz, W. M. Wood-Vasey, A. Zenteno, G. Damke, A. Newman, M. Huber, K. H. Cook, S. Nikolaev, A. C. Becker, A. Miceli, R. Covarrubias, L. Morelli, G. Pignata, A. Clocchiatti, D. Minniti, R. J. Foley

Connecting Far-Infrared and Radio Morphologies of Disk Galaxies: Cosmic-Ray Electron Diffusion After Star Formation Episodes

Authors: E.J. Murphy, G. Helou, J.D.P. Kenney, L. Armus, R. Braun

X-ray Hotspot Flares and Implications for Cosmic Ray Acceleration and Magnetic Field amplification in Supernova Remnants

Authors: Yousaf Butt, Troy Porter, Boaz Katz, Eli Waxman

Type Ia Supernovae Rates and Galaxy Clustering from the CFHT Supernova Legacy Survey

Authors: M.L. Graham, C.J. Pritchet, M. Sullivan, S.D.J. Gwyn, J.D. Neill, E.Y. Hsiao, P. Astier, D. Balam, C. Balland, S. Basa, R.G. Carlberg, A. Conley, D. Fouchez, J. Guy, D. Hardin, I.M. Hook, D.A. Howell, R. Pain, K. Perrett, N. Regnault, S. Baumont, J. Le Du, C. Lidman, S. Perlmutter, P. Ripoche, N. Suzuki, E.S. Walker, T. Zhang

Magnetic Monopole Search at high altitude with the SLIM experiment

Authors: S. Balestra, S. Cecchini, M. Cozzi, M. Errico, F. Fabbri, G. Giacomelli, R. Giacomelli, M. Giorgini, A. Kumar, S. Manzoor, J. McDonald, G. Mandrioli, S. Marcellini, A. Margiotta, E. Medinaceli, L. Patrizii, J. Pinfold, V. Popa, I.E. Qureshi, O. Saavedra, Z. Sahnoun, G. Sirri, M. Spurio, V. Togo, A. Velarde, A. Zanini

tipa -- 1/31/2008

Precision Measurement of Neutrino Oscillation Parameters with KamLAND

Authors: The KamLAND Collaboration

Finding Evidence for Massive Neutrinos using 3D Weak Lensing

Authors: T. D. Kitching, A. F. Heavens, L. Verde, P. Serra, A. Melchiorri

Comment on the Neutrino-Mixing Interpretation of the GSI Time Anomaly

Authors: Carlo Giunti

tipa -- 1/30/2008

LMC origin of the hyper-velocity star HE 0437-5439. Beyond the supermassive black hole paradigm

Authors: N. Przybilla, M. F. Nieva, U. Heber, M. Firnstein, K. Butler, R. Napiwotzki, H. Edelmann

Modeling Bell's Non-resonant Cosmic Ray Instability

Authors: V.N.Zirakashvili V.S.Ptuskin H.J.Voelk

Searching for a Correlation Between Cosmic-Ray Sources Above 10^{19} eV and Large-Scale Structure

Authors: Tamar Kashti, Eli Waxman

Magnetized Neutron Star Mergers and Gravitational Wave Signals

Authors: Matthew Anderson, Eric W. Hirschmann, Luis Lehner, Steven L. Liebling, Patrick M. Motl, David Neilsen, Carlos Palenzuela, Joel E. Tohline

Sequestered Dark Matter

Authors: B. v. Harling, A. Hebecker

Constraining Supersymmetric Dark Matter With Synchrotron Measurements

Authors: Dan Hooper

tipa -- 1/29/2008

GBT Multiwavelength Survey of the Galactic Center Region

Authors: C. J. Law (Amsterdam), F. Yusef-Zadeh (Northwestern), W. D. Cotton (NRAO), R. J. Maddalena (NRAO)

Global Properties of X-Ray Flashes and X-Ray-Rich Gamma-Ray Bursts Observed by Swift

Authors: T. Sakamoto, D. Hullinger, G. Sato, R. Yamazaki, L. Barbier, S. D. Barthelmy, J. R. Cummings, E. E. Fenimore, N. Gehrels, H. A. Krimm, D. Q. Lamb, C. B. Markwardt, J. P. Osborne, D. M. Palmer, A. M. Parsons, M. Stamatikos, J. Tueller

The Phase Diagram of Strongly-Interacting Matter

Authors: P. Braun-Munzinger, J. Wambach

tipa -- 1/28/2008

Gamma-Ray, Neutrino & Gravitational Wave Detection: OG 2.5,2.6,2.7 Rapporteur

Authors: G. Rowell

Symposium Summary

Authors: Claus Leitherer (STScI)

classic papers of the week -- 54

On the electrodynamics of moving bodies

Albert Einstein (Bern)

The Connection Between Spin and Statistics

W. Pauli (Physikalisches Institut, Eidg. Technischen Hochschule, Zürich, Switzerland)

Upper limits for densities and temperatures in stars

Stoner, E. C.

tipa -- 1/25/2008

The Destruction of Cosmological Minihalos by Primordial Supernovae

Authors: Daniel Whalen, Bob van Veelen, Brian W. O'Shea, Michael L. Norman

Discovery of Localized Regions of Excess 10-TeV Cosmic Rays

Authors: A. A. Abdo, B. Allen, T. Aune, D. Berley, E. Blaufuss, S. Casanova, C. Chen, B. L. Dingus, R. W. Ellsworth, L. Fleysher, R. Fleysher, M. M. Gonzales, J. A. Goodman, C. M. Hoffman, P. H. Hüntemeyer, B. E. Kolterman, C. P. Lansdell, J. T. Linnemann, J. E. McEnery, A. I. Mincer, P. Nemethy, D. Noyes, J. Pretz, J. M. Ryan, P. M. Saz Parkinson, A. Shoup, G. Sinnis, A. J. Smith, G. W. Sullivan, V. Vasileiou, G. P. Walker, D. A. Williams, G. B. Yodh

A Natural Supersymmetric Model with MeV Dark Matter

Authors: Dan Hooper, Kathryn M. Zurek

tipa -- 1/24/2008

Discovery of very high energy gamma-ray emission coincident with molecular clouds in the W28 (G6.4-0.1) field

Authors: HESS Collaboration: F Aharonian, et al

Hypervelocity Stars: From the Galactic Center to the Halo

Authors: S. J. Kenyon, B. C. Bromley, M. J. Geller, W. R. Brown

tipa -- 1/23/2008

Galactic Substructure and Direct Detection of Dark Matter

Authors: Marc Kamionkowski (Caltech), Savvas M. Koushiappas (LANL)

Reconciling the Metallicity Distributions of Gamma-ray Burst, Damped Lyman-alpha, and Lyman-break Galaxies at z=3

Authors: Johan P. U. Fynbo (1), J. Xavier Prochaska (2), Jesper Sommer-Larsen (3,1), Miroslava Dessauges-Zavadsky (4), Palle Moller (5) ((1) Dark Cosmology Centre, NBI, Copenhagen, Denmark; (2) UCO/Lick Observatory, USA; (3) Excellence Cluster Universe, TUM, Munich, Germany; (4) Geneva Observatory, Switzerland; (5) European Southern Observatory, Garching, Germany)

Simulations of cosmic ray feedback by AGN in galaxy clusters