today in particle astrophysics

tipa -- 10/7/2011

Measuring Sizes of Ultra-Faint Dwarf Galaxies

Authors: R. R. Munoz (U. de Chile/Yale), N. Padmanabhan (Yale), M. Geha (Yale)

Stellar, brown dwarf and multiple star properties from a radiation hydrodynamical simulation of star cluster formation

Authors: Matthew R. Bate

A Sino-German 6cm polarization survey of the Galactic plane VII. Small supernova remnants

Authors: X. H. Sun (1 and 2), P. Reich (2), W. Reich (2), L. Xiao (1), X. Y. Gao (1), J. L. Han (1) ((1) NAOC, (2) MPIfR)

Pulsed Gamma Rays from the Original Millisecond and Black Widow Pulsars: a case for Caustic Radio Emission?

Authors: L. Guillemot, T. J. Johnson, C. Venter, M. Kerr, B. Pancrazi, M. Livingstone, G. H. Janssen, P. Jaroenjittichai, M. Kramer, I. Cognard, B. W. Stappers, A. K. Harding, F. Camilo, C. M. Espinoza, P. C. C. Freire, F. Gargano, J. E. Grove, S. Johnston, P. F. Michelson, A. Noutsos, D. Parent, S. M. Ransom, P. S. Ray, R. Shannon, D. A. Smith, G. Theureau, S. E. Thorsett, N. Webb

tipa -- 10/6/2011

The Fermi Bubbles II: The Potential Roles of Viscosity and Cosmic Ray Diffusion in Jet Models

Authors: Fulai Guo, William G. Mathews, Gregory Dobler, S. Peng Oh

Lower limits on ultrahigh-energy cosmic ray and jet powers of TeV blazars

Authors: Soebur Razzaque, Charles D. Dermer, Justin D. Finke

tipa -- 10/5/2011

Infall Times for Milky Way Satellites From Their Present-Day Kinematics

Authors: Miguel Rocha, Annika H.G. Peter, James S. Bullock (Center for Cosmology, Department of Physics and Astronomy, University of California, Irvine)

Resonant Shattering of Neutron Star Crusts

Authors: David Tsang, Jocelyn S. Read, Tanja Hinderer, Anthony L. Piro, Ruxandra Bondarescu

Extreme particle acceleration in magnetic reconnection layers. Application to the gamma-ray flares in the Crab Nebula

Authors: Benoit Cerutti, Dmitri A. Uzdensky, Mitchell C. Begelman

tipa -- 10/4/2011

Observation and Spectral Measurements of the Crab Nebula with Milagro

Authors: A. A. Abdo, B. T. Allen, T. Aune, W. Benbow, D. Berley, C. Chen, G. E. Christopher, T. DeYoung, B. L. Dingus, R. W. Ellsworth, A. Falcone, L. Fleysher, R. Fleysher, M. M. Gonzalez, J. A. Goodman, J. B. Gordo, E. Hays, C. M. Hoffman, P. H. Huentemeyer, B. E. Kolterman, J. T. Linnemann, J. E. McEnery, T. Morgan, A. I. Mincer, P. Nemethy, J. Pretz, J. M. Ryan, P. M. Saz Parkinson, A. Shoup, G. Sinnis, A. J. Smith, V. Vasileiou, G. P. Walker, D. A. Williams, and G. B. Yodh

Particle Spectra from Acceleration at Forward and Reverse Shocks of Young Type Ia Supernova Remnants

Authors: Igor Telezhinsky, Vikram Dwarkadas, Martin Pohl

Head-Tail Clouds: Drops to Probe the Diffuse Galactic Halo

Authors: M.E. Putman, D.R. Saul, E. Mets (Columbia University)

On The Origin Of The Gamma Rays From The Galactic Center

Authors: Dan Hooper, Tim Linden

Instability in the dense supernova neutrino gas with flavor-dependent angular distributions

Authors: Alessandro Mirizzi (Hamburg U., II Inst. Theor. Phys.), Pasquale D. Serpico (LAPTh, Annecy-Le-Vieux)

Authors: Jose A. Pons (U. of Alicante, Spain), Rosalba Perna (Colorado/JILA)

Limiting properties of light and the universe with high energy photons from Fermi-detected Gamma Ray Bursts

Authors: Robert J. Nemiroff, Justin Holmes, Ryan Connolly

Neutrino Luminosity and Matter-Induced Modification of Collective Neutrino Flavor Oscillations in Supernovae

Authors: John F. Cherry, Meng-Ru Wu, Joe Carlson, Huaiyu Duan, George M. Fuller, Yong-Zhong Qian

High-Precision Timing of 5 Millisecond Pulsars: Space Velocities, Binary Evolution and Equivalence Principles

Authors: M. E. Gonzalez, I. H. Stairs, R. D. Ferdman, P. C. C. Freire, D. J. Nice, P. B. Demorest, S. M. Ransom, M. Kramer, F. Camilo, G. Hobbs, R. N. Manchester, A. G. Lyne

Time-of-flight mass measurements for nuclear processes in neutron star crusts

Authors: A. Estrade, M. Matos, H. Schatz, A. M. Amthor, D. Bazin, M. Beard, A. Becerril, E. F. Brown, R. Cyburt, T. Elliot, A. Gade, D. Galaviz, S. George, S. S. Gupta, W. R. Hix, R. Lau, G. Lorusso, P. Moller, J. Pereira, M. Portillo, A. M. Rogers, D. Shapira, E. Smith, A. Stolz, M. Wallace, M. Wiescher

tipa -- 9/26/2011

Crustal failure during binary inspiral

Authors: A.J. Penner, N. Andersson, D.I. Jones, L Samuelsson, I. Hawke

The Extended Pulsar Magnetosphere

Authors: Constantinos Kalapotharakos, Ioannis Contopoulos, Demos Kazanas

The Photometric and Spectral Evolution of the 2008 Luminous Optical Transient in NGC 300

Authors: Roberta M. Humphreys, Howard E. Bond, Alceste Z. Bonanos, Kris Davidson, L. A. G. Berto Monard, Jose Prieto, Frederick M. Walter

Eccentric binary neutron star mergers

Authors: Roman Gold, Sebastiano Bernuzzi, Marcus Thierfelder, Bernd Bruegmann, Frans Pretorius

tipa -- 9/23/2011

Measurement of the neutrino velocity with the OPERA detector in the CNGS beam

Authors: The OPERA Collaboraton

Circumstellar dust as a solution to the red supergiant supernova progenitor problem

Authors: Joseph J. Walmswell, John J. Eldridge

Gamma-Ray Observations of the Supernova Remnant RX J0852.0-4622 with the Fermi LAT

Authors: T. Tanaka, A. Allafort, J. Ballet, S. Funk, F. Giordano, J. Hewitt, M. Lemoine-Goumard, H. Tajima, O. Tibolla, Y. Uchiyama

Search for Gamma-ray Emission from X-ray Selected Seyfert Galaxies with Fermi-LAT

Authors: The Fermi-LAT Collaboration

tipa -- 9/22/2011

Massive Neutrinos and the Non-linear Matter Power Spectrum

Authors: Simeon Bird, Matteo Viel, Martin G. Haehnelt

A Last Look at the Microwave Haze/Bubbles with WMAP

Authors: Gregory Dobler (KITP/UCSB)

Numerical simulations of diffusive shock acceleration in SNRs

Authors: V.N.Zirakashvili, V.S.Ptuskin

Was the "naked burst" GRB 050421 really naked ?

Authors: R. Hascoët (1 and 2), Z. L. Uhm (1 and 2), R. Mochkovitch (1 and 2), F. Daigne (1 and 2) ((1) UPMC Univ Paris, Institut d'Astrophysique de Paris (2) CNRS, Institut d'Astrophysique de Paris)

tipa -- 9/21/2011

Galactic Centre star formation: the case of the missing gas disc

Authors: R. D. Alexander, S. L. Smedley, S. Nayakshin, A. R. King

A Universal, Local Star Formation Law in Galactic Clouds, Nearby Galaxies, High-Redshift Disks, and Starbursts

Authors: Mark R. Krumholz, Avishai Dekel, Christopher F. McKee

The High Time Resolution Universe Pulsar Survey IV: Discovery and polarimetry of millisecond pulsars

Authors: M. J. Keith, S. Johnston, M. Bailes, S. D. Bates, N. D. R. Bhat, M. Burgay, S. Burke-Spolaor, N. D'Amico, A. Jameson, M. Kramer, L. Levin, S. Milia, A. Possenti, B. W. Stappers, W. van Straten, D. Parent

Magnetic fields during the early stages of massive star formation - II. A generalised outflow criterion

Authors: D. Seifried, R. E. Pudritz, R. Banerjee, D. Duffin, R. S. Klessen

The search for n-nbar oscillation in Super-Kamiokande I

Authors: Super-Kamiokande collaboration

tipa -- 9/20/2011

The origin of metals in the circum-galactic medium of massive galaxies at z=3

Authors: Sijing Shen, Piero Madau, Anthony Aguirre, Javiera Guedes, Lucio Mayer, James Wadsley

Multiscale magnetic fields in spiral galaxies: evolution and reversals

Authors: David Moss, Rodion Stepanov, Tigran Arshakian, Rainer Beck, Marita Krause, Dmitri Sokoloff

Temporal Deconvolution study of Long and Short Gamma-Ray Burst Light curves

Authors: P. N. Bhat, Michael S. Briggs, Valerie Connaughton, Chryssa Kouveliotou, Alexander J. van der Horst, William Paciesas, Charles A. Meegan, Elisabetta Bissaldi, Michael Burgess, Vandiver Chaplin, Roland Diehl, Gerald Fishman, Gerard Fitzpatrick, Suzanne Foley, Melissa Gibby, Misty M. Giles, Adam Goldstein, Jochen Greiner, David Gruber, Sylvain Guiriec, Andreas von Kienlin, Marc Kippen, Sheila McBreen, Robert Preece, Arne Rau, Dave Tierney, Colleen Wilson-Hodge

The First Magnetic Fields

Authors: Lawrence M. Widrow (Queen's University, Canada), Dongsu Ryu (Chungnam National University, Korea), Dominik Schleicher (Georg-August-Universitat, Germany), Kandaswamy Subramanian (Pune University Campus, India), Christos G. Tsagas (Aristotle University, Greece), Rudolf A. Treumann (ISSI, Switzerland)

Seasonal modulation in the Borexino cosmic muon signal

Authors: Davide D'Angelo, for the Borexino Collaboration

tipa -- 9/19/2011

Slightly Two or Three Dimensional Self-Similar Solutions

Authors: Re'em Sari, J. Nate Bode, Almog Yalinewich, Andrew MacFadyen

Coasting external shock in wind medium: an origin for the X-ray plateau decay component in Swift GRB afterglows

Authors: Rongfeng Shen, Christopher D. Matzner (University of Toronto)

Clustering between high-mass X-ray binaries and OB associations in the Milky Way

Authors: Arash Bodaghee (1), John A. Tomsick (1), Jerome Rodriguez (2), J. Berian James (3,4) ((1) Space Sciences Laboratory, University of California, Berkeley, USA (2) Laboratoire AIM, CEA/IRFU - Université Paris Diderot - CNRS/INSU, CEA DSM/IRFU/SAp, Centre de Saclay, France (3) Dept. of Astronomy, University of California, Berkeley, USA (4) Dark Cosmology Centre, University of Copenhagen, Denmark)

Implementation and testing of the first prompt search for electromagnetic counterparts to gravitational wave transients

Authors: The LIGO Scientific Collaboration, Virgo Collaboration

Flavor stability of a realistic accretion-phase supernova neutrino flux

Authors: Srdjan Sarikas, Georg G. Raffelt, Lorenz Hüdepohl, Hans-Thomas Janka

Formation Of The Rare Earth Peak: Gaining Insight Into Late-Time r-Process Dynamics

Authors: Matthew Mumpower, Gail McLaughlin, Rebecca Surman

First Use of High Charge States for Mass Measurements of Short-lived Nuclides in a Penning Trap

Authors: S. Ettenauer, M. C. Simon, A. T. Gallant, T. Brunner, U. Chowdhury, V. V. Simon, M. Brodeur, A. Chaudhuri, E. Mané, C. Andreoiu, G. Audi, J. R. Crespo López-Urrutia, P. Delheij, G. Gwinner, A. Lapierre, D. Lunney, M. R. Pearson, R. Ringle, J. Ullrich, J. Dilling

Test of Lorentz and CPT violation with Short Baseline Neutrino Oscillation Excesses

Authors: The MiniBooNE Collaboration

Project-X: A new high intensity proton accelerator complext at Fermilab

Authors: R. Tschirhart

tipa -- 9/16/2011

Letter of Intent: The Hyper-Kamiokande Experiment --- Detector Design and Physics Potential ---

Authors: K. Abe, T. Abe, H. Aihara, Y. Fukuda, Y. Hayato, K. Huang, A. K. Ichikawa, M. Ikeda, K. Inoue, H. Ishino, Y. Itow, T. Kajita, J. Kameda, Y. Kishimoto, M. Koga, Y. Koshio, K. P. Lee, A. Minamino, M. Miura, S. Moriyama, M. Nakahata, K. Nakamura, T. Nakaya, S. Nakayama, K. Nishijima, Y. Nishimura, Y. Obayashi, K. Okumura, M. Sakuda, H. Sekiya, M. Shiozawa, A. T. Suzuki, Y. Suzuki, A. Takeda, Y. Takeuchi, H. K. M. Tanaka, S. Tasaka, T. Tomura, M. R. Vagins, J. Wang, M. Yokoyama

Probing the shape and history of the Milky Way halo with orbital spectral analysis

Authors: Monica Valluri, Victor P. Debattista, Thomas R. Quinn, Rok Roskar, James Wadsley

Search for high energy γ-ray emission from galaxies of the Local Group with Fermi/LAT

Authors: Jean-Philippe Lenain, Roland Walter

tipa -- 9/15/2011

Early radio and X-ray observations of the youngest nearby type Ia supernova PTF11kly (SN 2011fe)

Authors: Assaf Horesh, S. R. Kulkarni, Derek B. Fox, John Carpenter, Mansi M. Kasliwal, Eran O. Ofek, Robert Quimby, Avishay Gal-Yam, S. Bradley Cenko, A. G. de Bruyn, Atish Kamble, Ralph A. M. J. Wijers, Alexander J. van der Horst, Chryssa Kouveliotou, Philipp Podsiadlowski, Mark Sullivan, Kate Maguire, Peter E. Nugent, Neil Gehrels, Nicholas M. Law, Dovi Poznanski, Michael Shara

The Sagittarius impact as an architect of spirality and outer rings in the Milky Way

Authors: Chris W. Purcell, James S. Bullock, Erik Tollerud, Miguel Rocha, Sukanya Chakrabarti

Fermi Large Area Telescope Observations of the Supernova Remnant G8.7-0.1

Authors: The Fermi-LAT Collaboration

The AGILE observations of the hard and bright GRB 100724B

Authors: E. Del Monte, G. Barbiellini, I. Donnarumma, F. Fuschino, A. Giuliani, F. Longo, M. Marisaldi, G. Pucella, M. Tavani, M. Trifoglio, A. Trois, A. Argan, A. Bulgarelli, P. Caraveo, P.W. Cattaneo, A. Chen, E. Costa, F. D'Ammando, G. Di Cocco, Y. Evangelista, M. Feroci, M. Galli, F. Gianotti, C. Labanti, I. Lapshov, F. Lazzarotto, P. Lipari, S. Mereghetti, E. Moretti, A. Morselli, L. Pacciani, A. Pellizzoni, F. Perotti, G. Piano, P. Picozza, M. Pilia, M. Prest, M. Rapisarda, A. Rappoldi, S. Sabatini, P. Soffitta, E. Striani, E. Vallazza, S. Vercellone, V. Vittorini, L. A. Antonelli, S. Cutini, C. Pittori, P. Santolamazza, F. Verrecchia, P. Giommi, L. Salotti

The dark GRB080207 in an extremely red host and the implications for GRBs in highly obscured environments

Authors: K.M. Svensson, N.R. Tanvir, D.A. Perley, M.J. Michalowski, K.L. Page, J.S. Bloom, S.B. Cenko, J. Hjorth, P. Jakobsson, D. Watson, P.J. Wheatley

tipa -- 9/14/2011

Extending the CRESST-II commissioning run limits to lower masses

Authors: Andrew Brown, Sam Henry, Hans Kraus, Christopher McCabe

The Astrophysical Implications of Dust Formation During The Eruptions of Hot, Massive Stars

Authors: C.S. Kochanek (1) ((1) Department of Astronomy, The Ohio State University)

What are Published X-ray lightcurves telling us about Young Supernova Expansion?

Authors: Vikram V. Dwarkadas (1), Julieta Gruszko (2) ((1) University of Chicago, (2) University of Rochester)

The Allen Telescope Array Fly's Eye Survey for Fast Radio Transients

Authors: Andrew P.V. Siemion, Geoffrey C. Bower, Griffin Foster, Peter L. McMahon, Mark I. Wagner, Dan Werthimer, Don Backer, Jim Cordes, Joeri van Leeuwen

Supernova neutrino signals by liquid Argon detector and neutrino magnetic moment

Authors: Takashi Yoshida (1), Akira Takamura (2), Keiichi Kimura (3), Shio Kawagoe (1), Toshitaka Kajino (1,4), Hidekazu Yokomakura (3), ((1) Univ. of Tokyo, (2) Toyota Coll. Tech., (3) Nagoya Univ., (4) NAOJ)

Fermi/LAT Observations of Swift/BAT Seyferts: on the Contribution of Radio-quiet AGN to the Extragalactic Gamma-ray Background

Authors: Stacy H. Teng (UMD/CRESST), Richard F. Mushotzky (UMD), Rita M. Sambruna (George Mason), David S. Davis (UMBC/CRESST), Christopher S. Reynolds (UMD)

GRB 091127: The cooling break race on magnetic fuel

Authors: Robert Filgas, Jochen Greiner, Patricia Schady, Thomas Kruehler, Adria C. Updike, Sylvio Klose, Marco Nardini, David Alexander Kann, Andrea Rossi, Vladimir Sudilovsky, Paulo M. J. Afonso, Christian Clemens, Jonny Elliott, Ana Nicuesa Guelbenzu, Felipe Olivares Estay, Arne Rau

Unraveling the Geometry of the Crab Nebula's "Inner Ring"

Authors: Martin C. Weisskopf, Ronald F. Elsner, Jeffery J. Kolodziejczak, Stephen L. O'Dell, Allyn F. Tennant

tipa -- 9/13/2011

Search for OB stars running away from young star clusters. II. The NGC 6357 star-forming region

Authors: V.V. Gvaramadze, A.Y. Kniazev, P. Kroupa, S. Oh

Smoothed Particle Hydrodynamics in Astrophysics

Authors: Volker Springel

An Extreme Pulsar Tail Protruding from the Frying Pan Supernova Remnant

Authors: C.-Y. Ng, N. Bucciantini, B. M. Gaensler, F. Camilo, S. Chatterjee, A. Bouchard

Hard X-Ray Background of the Milky Way in its Anticenter

Authors: R.Krivonos (1,2), S.Tsygankov (1,2,3,4), M.Revnivtsev (2), S.Sazonov (2), E.Churazov (1,2), R.Sunyaev (1,2) (1 - MPA, Germany, 2 - IKI, Moscow, Russia, 3 - FINCA, University of Turku, Finland, 4 - University of Oulu, Finland)

Hydrodynamic simulations on a moving Voronoi mesh