tipa -- 12/5/2008

Discovery of Very High-Energy Gamma-Ray Radiation from the BL Lac 1ES 0806+524

• Authors: VERITAS Collaboration: V. Acciari, E. Aliu, T. Arlen, M. Bautista, M. Beilicke, W. Benbow, M. Böttcher, S. M. Bradbury, J. H. Buckley, V. Bugaev, Y. Butt, K. Byrum, A. Cannon, O. Celik, A. Cesarini, Y. C. Chow, L. Ciupik, P. Cogan, P. Colin, W. Cui, R. Dickherber, C. Duke, T. Ergin, A. Falcone, S. J. Fegan, J. P. Finley, G. Finnegan, P. Fortin, L. Fortson, A. Furniss, D. Gall, K. Gibbs, G. H. Gillanders, J. Grube, R. Guenette, G. Gyuk, D. Hanna, E. Hays, J. Holder, D. Horan, C. M. Hui, T. B. Humensky, A. Imran, P. Kaaret, N. Karlsson, M. Kertzman, D. Kieda, J. Kildea, A. Konopelko, H. Krawczynski, F. Krennrich, M. J. Lang, S. LeBohec, G. Maier, A. McCann, M. McCutcheon, J. Millis, P. Moriarty, R. Mukherjee, T. Nagai, R. A. Ong, A. N. Otte, D. Pandel, J. S. Perkins, D. Petry, M. Pohl, et al.

In search of progenitors for supernova-less GRBs 060505 and 060614: re-examination of their afterglows

• Authors: D. Xu, R. L. C. Starling, J. P. U. Fynbo, J. Sollerman, S. Yost, D. Watson, S. Foley, P. T. O'Brien, J. Hjorth

tipa -- 12/4/2008

Gamma Rays from Clusters and Groups of Galaxies: Cosmic Rays versus Dark Matter

• Authors: Tesla E. Jeltema, John Kehayias, Stefano Profumo

INTEGRAL observation of hard X-ray variability of the TeV binary LS5039 / RX J1826.2-1450

• Authors: A. D. Hoffmann, D. Klochkov, A. Santangelo, D. Horns, A. Segreto, R. Staubert, G. Puehlhofer

Backgrounds and Projected Limits from Dark Matter Direct Detection Experiments

• Authors: Scott Dodelson

Gravitino Dark Matter and the Cosmic Lithium Abundances

• Authors: Sean Bailly, Karsten Jedamzik, Gilbert Moultaka

tipa -- 12/3/2008

Phase-space structure in the local dark matter distribution and its signature in direct detection experiments

• Authors: Mark Vogelsberger (1), Amina Helmi (2), Volker Springel (1), Simon D. M. White (1), Jie Wang (1,3), Carlos S. Frenk (3), Adrian Jenkins (3), Aaron Ludlow (4), Julio F. Navarro (4,5) ((1) MPA, (2) Groningen, (3) Durham, (4) UVic, (5) UMass)

Imaging the Black Hole Silhouette of M87: Implications for Jet Formation and Black Hole Spin

• Authors: Avery Broderick, Abraham Loeb

tipa -- 12/2/2008

XMM-Newton discovery of 2.6 s pulsations in the soft gamma-ray repeater SGR 1627-41

• Authors: P. Esposito, A. Tiengo, S. Mereghetti, G. L. Israel, A. De Luca, D. Götz, N. Rea, R. Turolla, S. Zane

A Turbulent Model of Gamma-Ray Burst Variability

• Authors: Ramesh Narayan, Pawan Kumar

Degeneracy, the virial theorem, and stellar collapse

• Authors: Christian Y. Cardall

Cosmic rays and the magnetic field in the nearby starburst galaxy NGC 253 I. The distribution and transport of cosmic rays

• Authors: V. Heesen, R. Beck, M. Krause, R.-J. Dettmar

Breit-Wigner Enhancement of Dark Matter Annihilation

• Authors: Masahiro Ibe, Hitoshi Murayama, T. T. Yanagida

Neutrino Signals from Annihilating/Decaying Dark Matter in the Light of Recent Measurements of Cosmic Ray Electron/Positron Fluxes

• Authors: Junji Hisano, Masahiro Kawasaki, Kazunori Kohri, Kazunori Nakayama

tipa -- 12/1/2008

Angular correlations in the cosmic gamma-ray background from dark matter annihilation around intermediate-mass black holes

• Authors: Marco Taoso, Shin'ichiro Ando, Gianfranco Bertone, Stefano Profumo

Precision Electroweak Measurements and Constraints on the Standard Model

• Authors: ALEPH Collaboration, CDF Collaboration, D0 Collaboration, DELPHI Collaboration, L3 Collaboration, OPAL Collaboration, SLD Collaboration, LEP Electroweak Working Group, Tevatron Electroweak Working Group, SLD electroweak heavy flavour groups

classic papers of the week -- 85

On the Curvature of Space

• Friedman, A.

Cosmic Rays as the Source of General Galactic Radio Emission

• Kiepenheuer, K. O. (Yerkes Observatory, University of Chicago, Williams Bay, Wisconsin)

Symmetry between particle and anti-particle populations in the universe

• Hong-Yee Chiu (Institute for Space Studies, Goddard Space Flight Center, National Aeronautics and Space Administration, New York, NY, and Physics Department and Earth and Space Sciences Department, State University of New York, Stony Brook)

tipa -- 11/27/2008

The Quantum Mechanics of Relic Neutrinos

• Authors: George M. Fuller, Chad T. Kishimoto

A strong optical flare before the rising afterglow of GRB 080129

• Authors: J. Greiner, T. Krühler, S. McBreen, M. Ajello, D. Giannos, R. Schwarz, S. Savaglio, A. Küpcü Yoldas, C. Clemens, A. Stefanescu, G. Sala, F. Bertoldi, G. Szokoly, S. Klose

Emergence of hyperons in failed supernovae: trigger of the black hole formation

• Authors: K. Sumiyoshi (Numazu CT), C. Ishizuka (Hokkaido Univ.), A. Ohnishi (YITP, Kyoto Univ.), S. Yamada (Waseda Univ.), H. Suzuki (Tokyo Univ. of Science)

tipa -- 11/26/2008

Unveiling the nature of INTEGRAL objects through optical spectroscopy. VII. Identification of 20 Galactic and extragalactic hard X-ray sources

• Authors: N. Masetti, P. Parisi, E. Palazzi, E. Jimenez-Bailon, L. Morelli, V. Chavushyan, E. Mason, V.A. McBride, L. Bassani, A. Bazzano, A.J. Bird, A.J. Dean, G. Galaz, N. Gehrels, R. Landi, A. Malizia, D. Minniti, F. Schiavone, J.B. Stephen, P. Ubertini

Trispectrum versus Bispectrum in Single-Field Inflation

• Authors: Kevin T. Engel, Keith S. M. Lee, Mark B. Wise

tipa -- 11/25/2008

The Case for a 700+ GeV WIMP: Cosmic Ray Spectra from ATIC and PAMELA

• Authors: Ilias Cholis, Gregory Dobler, Douglas P. Finkbeiner, Lisa Goodenough, Neal Weiner

Gamma-ray and radio tests of the e+e- excess from DM annihilations

• Authors: Gianfranco Bertone, Marco Cirelli, Alessandro Strumia, Marco Taoso

The energy production rate & the generation spectrum of UHECRs

• Authors: Boaz Katz, Ran Budnik, Eli Waxman

The energy spectrum of cosmic-ray electrons at TeV energies

• Authors: H.E.S.S. Collaboration

Evidence for Warped Disks of Young Stars in the Galactic Center

• Authors: H. Bartko, F. Martins, T. K. Fritz, R. Genzel, Y. Levin, H. B. Perets, T. Paumard, S. Nayakshin, O. Gerhard, T. Alexander, K. Dodds-Eden, F. Eisenhauer, S. Gillessen, L. Mascetti, T. Ott, G. Perrin, O. Pfuhl, M. J. Reid, D. Rouan, A. Sternberg, S. Trippe

CMBPol Mission Concept Study: A Mission to Map our Origins

• Authors: Daniel Baumann, Asantha Cooray, Scott Dodelson, Joanna Dunkley, Aurélien A. Fraisse, Mark G. Jackson, Al Kogut, Lawrence M. Krauss, Kendrick M. Smith, Matias Zaldarriaga

SN 2008S: A Cool Super-Eddington Wind in a Supernova Impostor

• Authors: Nathan Smith, Mohan Ganeshalingam, Weidong Li, Ryan Chornock, Thea N. Steele, Jeffrey M. Silverman, Alexei V. Filippenko, Martin P. Mobberley

What if Time Really Exists?

• Authors: Sean M. Carroll

tipa -- 11/24/2008

Properties of WNh stars in the Small Magellanic Cloud: evidence for homogeneous evolution

• Authors: F. Martins (1), D.J. Hillier (2), J.C. Bouret (3), E. Depagne (4), C. Foellmi (5), S. Marchenko (6), A.F. Moffat (7) (1- GRAAL-CNRS; 2- Pittsburgh; 3- LAM-CNRS; 4- Las Cumbres Observatory; 5- LAOG-CNRS; 6- Western Kentucky; 7- Montreal)

On the plasma temperature in supernova remnants with cosmic-ray modified shocks

• Authors: L. O'C. Drury, F. A. Aharonian, D. Malyshev, S. Gabici

Type Ia Supernova: Calculations of Turbulent Flames Using the Linear Eddy Model

• Authors: S. E. Woosley (UCSC), A. R. Kerstein (Sandia National Lab), V. Sankaran (Sandia National Lab), F. K. Roepke (MPA, Garching)

tipa -- 11/21/2008

Intrinsic properties of a complete sample of HETE-2 gamma-ray bursts. A measure of the GRB rate in the Local Universe

• Authors: A. Pélangeon (LATT), J.-L. Atteia (LATT), Y. E. Nakagawa, K. Hurley (SSL), A. Yoshida, R. Vanderspek, M. Suzuki, N. Kawai, G. Pizzichini (IASF-Bo), M. Boër (OHP), J. Braga, G. Crew, T. Q. Donaghy, J. P. Dezalay (CESR), J. Doty, E. E. Fenimore (LANL), M. Galassi (LANL), C. Graziani, J. G. Jernigan (SSL), D. Q. Lamb, A. Levine, J. Manchanda, F. Martel, M. Matsuoka, J.-F. Olive (CESR), G. Prigozhin, G. R. Ricker, T. Sakamoto (NASA Goddard Space Flight Center, CRESST), Y. Shirasaki, S. Sugita, K. Takagishi, T. Tamagawa, J. Villasenor, S. E. Woosley, M. Yamauchi

Generation of Strong Magnetic Fields in Axisymmetry by the Stationary Accretion Shock Instability

• Authors: Eirik Endeve, Christian Y. Cardall, Reuben D. Budiardja, Anthony Mezzacappa

Epeak estimator for Gamma-Ray Bursts Observed by the Swift Burst Alert Telescope

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

tipa -- 11/20/2008

VLBI Observations of SN 2008D

• Authors: M. F. Bietenholz, A. M. Soderberg, N. Bartel

Red giant stellar collisions in the Galactic Centre

• Authors: James E. Dale, Melvyn B. Davies, Ross P. Church, Marc Freitag

New SETI Sky Surveys for Radio Pulses

• Authors: Andrew Siemion (1,4), Joshua Von Korff (3), Peter McMahon (4,5), Eric Korpela (2), Dan Werthimer (2,4), David Anderson (2), Geoff Bower (1), Jeff Cobb (2), Griffin Foster (1), Matt Lebofsky (2), Joeri van Leeuwen (1), William Mallard (4), Mark Wagner (4) ((1) Astronomy Department, University of California, Berkeley, CA, USA (2) Space Sciences Laboratory, University of California, Berkeley, CA, USA (3) Physics Department, University of California, Berkeley, CA, USA (4) Berkeley Wireless Research Center, Berkeley, CA, USA (5) Computer Science Department, Stanford University, Stanford, CA, USA)

Red supergiants as potential Type IIn supernova progenitors: Spatially resolved 4.6 micron CO emission around VY CMa and Betelgeuse

• Authors: Nathan Smith, Kenneth H. Hinkle, Nils Ryde

tipa -- 11/19/2008

Stability of a Spherical Accretion Shock with Nuclear Dissociation

• Authors: Rodrigo Fernández (University of Toronto), Christopher Thompson (CITA)

tipa -- 11/18/2008

Solar neutrinos and the solar composition problem

• Authors: Carlos Pena-Garay, Aldo Serenelli

Dots, clumps and filaments: the intermittent images of synchrotron emission in random magnetic fields of young supernova remnants

• Authors: Andrei M. Bykov, Yury A. Uvarov, Donald C. Ellison

GRS 1915+105 : High-energy Insights with SPI/INTEGRAL

• Authors: Robert Droulans, Elisabeth Jourdain

Episodic Magnetic Bubbles and Jets: Astrophysical Implications from Laboratory Experiments

• Authors: Andrea Ciardi (1) (*), Sergey V. Lebedev (2), Adam Frank (3), Francisco Suzuki-Vidal (2), Gareth N. Hall (2), Simon N. Bland (2), Adam Harvey-Thompson (2), Eric G. Blackman (3), Max Camenzind (4) ((1) Observatoire de Paris, LERMA, France; (2) Imperial College, Blackett Laboratory, UK; (3) University of Rochester, Department of Physics and Astronomy, USA; (4) University of Heidelberg, Centre for Astronomy Heidelberg, Germany. (*) Present address: Ecole Normale Superieure, Laboratoire de Radioastronomie, France.)

tipa -- 11/17/2008

The Race Between Stars and Quasars in Reionizing Cosmic Hydrogen

• Authors: Abraham Loeb (Harvard)

tipa -- 11/14/2008

The cosmology dependence of weak lensing cluster counts

• Authors: Laura Marian, Robert E. Smith, Gary M. Bernstein

Observational Characteristics and Possible Asphericity of Over-Luminous Type Ia Supernovae

• Authors: Keiichi Maeda, Koichi Iwamoto

Non-Gaussian Signatures from the Post-inflationary Early Universe

• Authors: Alessandra Silvestri, Mark Trodden

tipa -- 11/13/2008

3C66B as a TeV radiogalaxy

• Authors: F. Tavecchio, G. Ghisellini

tipa -- 11/12/2008

Probing The Lower Mass Limit for Supernova Progenitors and the High-Mass End of the Initial-Final Mass Relation from White Dwarfs in the Open Cluster M35 (NGC 2168)

• Authors: Kurtis A. Williams (1 and 2), Michael Bolte (3), Detlev Koester (4) ((1) NSF Postdoctoral Fellow, (2) UT Austin, (3) UCO/Lick, (4) U. Kiel)

Hierarchical Phase Space Structure of Dark Matter Haloes: Tidal debris, Caustics, and Dark Matter annihilation

• Authors: Niayesh Afshordi (Perimeter Institute), Roya Mohayaee (IAP), Edmund Bertschinger (MIT)

Constraining the star formation histories of GRB Host Galaxies from their observed abundance patterns

• Authors: F. Calura (1), M. Dessauges-Zavadsky (2), J. X. Prochaska (3), F. Matteucci (1); ((1) Dip. Astonomia, Universita' di Trieste, Italy; (2) Observatoire de Geneve, Switzerland; (3) U:CO/Lick Observatory, Santa Cruz, USA)

Semi-global simulations of the magneto-rotational instability in core collapse supernovae

• Authors: M. Obergaulinger, P. Cerdà-Duràn, E. Müller, M.A. Aloy

tipa -- 11/11/2008

A new measurement of the cosmic X-ray background

• Authors: A. Moretti, C. Pagani, G. Cusumano, S. Campana, M. Perri, A. Abbey, M. Ajello, A.P. Beardmore, D. Burrows, G. Chincarini, O. Godet, C. Guidorzi, J.E. Hill, J. Kennea, J. Nousek, J.P. Osborne, G. Tagliaferri

Galaxies appear simpler than expected

• Authors: M. J. Disney, J. D. Romano, D. A. Garcia-Appadoo, A. A. West, J. J. Dalcanton, L. Cortese

Flesh and Blood, or Merely Ghosts? Some Comments on the Multi-Muon Study at CDF

• Authors: Matthew J. Strassler (Rutgers U.)

Factorization in Dual Models and Functional Integration in String Theory

• Authors: Stanley Mandelstam

tipa -- 11/10/2008

Gravitational Wave Recoil Oscillations of Black Holes: Implications for Unified Models of Active Galactic Nuclei

• Authors: S. Komossa, David Merritt

GRB 080503: Implications of a Naked Short Gamma-Ray Burst Dominated by Extended Emission

• Authors: D. A. Perley, B. D. Metzger, J. Granot, N. R. Butler, T. Sakamoto, E. Ramirez-Ruiz, A. J. Levan, J. S. Bloom, A. A. Miller, A. Bunker, H.-W. Chen, A. V. Filippenko, N. Gehrels, K. Glazebrook, P. Hall, K. C. Hurley, D. Kocevski, W. Li, S. Lopez, J. Norris, A. L. Piro, D. Poznanski, J. X. Prochaska, E. Quataert, N. Tanvir

Spectropolarimetry of Supernovae

• Authors: Lifan Wang, J. Craig Wheeler

An Improved Limit on the Muon Electric Dipole Moment

• Authors: G.W.Bennett, B.Bousquet, H.N.Brown, G.Bunce, R.M.Carey, P.Cushman, G.T.Danby, P.T.Debevec, M.Deile, H.Deng, W.Deninger, S.K.Dhawan, V.P.Druzhinin, L.Duong, E.Efstathiadis, F.J.M.Farley, G.V.Fedotovich, S.Giron, F.E.Gray, D.Grigoriev, M.Grosse-Perdekamp, A.Grossmann, M.F.Hare, D.W.Hertzog, X.Huang, V.W.Hughes, M.Iwasaki, K.Jungmann, D.Kawall, M.Kawamura, B.I.Khazin, J.Kindem, F.Krienen, I.Kronkvist, A.Lam, R.Larsen, Y.Y.Lee, I.Logashenko, R.McNabb, W.Meng, J.Mi, J.P.Miller, Y. Mizumachi, W.M.Morse, D.Nikas, C.J.G.Onderwater, Y.Orlov, C.S.Ozben, J.M.Paley, Q.Peng, C.C.Polly, J.Pretz, R.Prigl, G.zu Putlitz, T.Qian, S.I.Redin, O.Rind, B.L.Roberts, N.Ryskulov, S.Sedykh, Y.K.Semertzidis, P.Shagin, Yu.M.Shatunov, E.P.Sichtermann, E.Solodov, M.Sossong, A.Steinmetz, L.R.Sulak, C.Timmermans, A.Trofimov, et al. (6 additional authors not shown)