today in particle astrophysics

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 -- 11/10/2008

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)

classic papers of the week -- 84

High Frequency Rays of Cosmic Origin

Robert Andrews Millikan

The Zeno's paradox in quantum theory

Misra, B.; Sudarshan, E. C. G. (Center for Particle Theory, University of Texas at Austin, Austin, Texas)

How Many People Have Ever Lived on Earth?

Carl Haub

tipa -- 11/7/2008

Accretion onto the First Stellar Mass Black Holes

Authors: Marcelo A. Alvarez, John H. Wise, Tom Abel

Gamma-ray Constraints on Dark Matter Annihilation into Charged Particles

Authors: Nicole F. Bell, Thomas D. Jacques

Some Practical Applications of Dark Matter Research

Authors: L. Stodolsky

tipa -- 11/6/2008

The Anisotropic Spatial Distribution of Hypervelocity Stars

Authors: Warren R. Brown (1), Margaret J. Geller (1), Scott J. Kenyon (1), Benjamin C. Bromley (2) ((1) Smithsonian Astrophysical Observatory (2) University of Utah)

Pairing of Supermassive Black Holes in unequal-mass galaxy mergers

Authors: Simone Callegari (Univ. Zurich), Lucio Mayer (Univ. & ETH Zurich), Stelios Kazantzidis (OSU/CCAPP), Monica Colpi (Univ. Milano-Bicocca), Fabio Governato (Univ. Washington), Thomas Quinn (Univ. Washington), James Wadsley (McMaster Univ.)

Parity violation constraints using 2006-2007 QUaD CMB polarization spectra

Authors: QUaD Collaboration: E. Y. S. Wu (1), P. Ade (2), J. Bock (3 and 4), M. Bowden (1 and 5), M. L. Brown (6), G. Cahill (7), P. G. Castro (8 and 9), S. Church (1), T. Culverhouse (10), R. Friedman (10), K. Ganga (11), W. K. Gear (2), S. Gupta (2), J. Hinderks (1), J. Kovac (3), A. E. Lange (3), E. Leitch (3 and 4), S. J. Melhuish (12), Y. Memari (9), A. N. Taylor (9), J. A. Murphy (7), A. Orlando (3 and 2), L. Piccirillo (12), C. Pryke (10), N. Rajguru (2), B. Rusholme (1), R. Schwarz (10), C. O'Sullivan (7), K. L. Thompson (1), A. H. Turner (2), M. Zemcov (4 3 and 2) ((1) Kavli Institute for Particle Astrophysics and Cosmology and Department of Physics, Stanford University, (2) School of Physics and Astronomy, Cardiff University, (3) California Institute of Technology, (4) Jet Propulsion Laboratory, (5) School of Physics and Astronomy, Cardiff University, (6) Cavendish Laboratory, University of Cambridge, (7) Department of Experimental Physics, National University of Ireland Maynooth, (8) CENTRA, Departamento de Fisica, Universidade Tecnica de Lisboa, (9) Institute for Astronomy, University of Edinburgh, (10) Kavli Institute for Cosmological Physics, Department of Astronomy & Astrophysics, Enrico Fermi Institute, University of Chicago, (11) Laboratoire APC/CNRS, Batiment Condorcet, (12) School of Physics and Astronomy, University of Manchester)

First Study of Neutron Tagging with a Water Cherenkov Detector

Authors: Hideki Watanabe, Haibing Zhang (The Super-Kamiokande Collaboration)

tipa -- 11/5/2008

HD 271791: An Extreme Supernova Runaway B Star Escaping from the Galaxy

Authors: Norbert Przybilla (1), Maria-Fernanda Nieva (1,2), Ulrich Heber (1), Keith Butler (3) ((1) Dr. Remeis-Observatory Bamberg, (2) MPI for Astrophysics Garching, (3) University Observatory Munich)

Mass loss from hot massive stars

Authors: J. Puls, J. S. Vink, F. Najarro

The Spectral Shape and Photon Fraction as Signatures of the GZK-Cutoff

Authors: Andrew M. Taylor, Felix A. Aharonian

tipa -- 11/4/2008

A Second Case of Variable Na I D Lines in a Highly-Reddened Type Ia Supernova

Authors: S. Blondin (1,2), J. L. Prieto (3), F. Patat (1), P. Challis (2), M. Hicken (2), R. P. Kirshner (2), T. Matheson (4), M. Modjaz (5) ((1) ESO, (2) Harvard-Smithsonian CfA, (3) Ohio State University, (4) NOAO, (5) UC Berkeley)

The Atomic to Molecular Transition in Galaxies. II: HI and H_2 Column Densities

Authors: Mark R. Krumholz, Christopher F. McKee, Jason Tumlinson

The minimum stellar metallicity observable in the Galaxy

Authors: Anna Frebel, Jarrett L. Johnson, Volker Bromm

The Sub-parsec Scale Radio Properties of Southern Starburst Galaxies. II. Supernova Remnants, the Supernova Rate, and the Ionised Medium in the NGC 4945 Starburst

Authors: E. Lenc, S. J. Tingay

Search for Charged Current Coherent Pion Production on Carbon in a Few-GeV Neutrino Beam

Authors: SciBooNE Collaboration: K. Hiraide, et al

Authors: A. De Rosa (1), P. Ubertini (1), R. Campana (2), A. Bazzano (1), A. J. Dean (3), L. Bassani (4) ((1)INAF/IASF-Roma, (2) University of Rome La Sapienza, (3) University of Southampton, (4) INAF/IASF-Bologna)

Constraints on WIMP Dark Matter from the High Energy PAMELA $\bar{p}/p$ data