tipa -- 2/26/2009

Modeling Spectral Variability of Prompt GRB Emission within the Jitter Radiation Paradigm

• Authors: Mikhail V. Medvedev, Sriharsha S. Pothapragada, Sarah J. Reynolds (KU)

Constraining the Sommerfeld enhancement with Cherenkov telescope observations of dwarf galaxies

• Authors: Lidia Pieri (IAP), Massimiliano Lattanzi (Oxford U. & INFN), Joseph Silk (Oxford U.)

tipa -- 2/25/2009

Neutrino diagnostics of ultra-high energy cosmic ray protons

• Authors: Markus Ahlers, Luis A. Anchordoqui, Subir Sarkar

Dark Matter Disc Enhanced Neutrino Fluxes from the Sun and Earth

• Authors: Tobias Bruch, Annika H. G. Peter, Justin Read, Laura Baudis, George Lake

The Reddening Towards Cassiopeia A's Supernova: Constraining the 56Ni Yield

• Authors: Kristoffer A. Eriksen (1), David Arnett (1), Donald W. McCarthy (1), Patrick Young (2), ((1) Steward Observatory, University of Arizona, (2) School of Earth and Space Exploration, Arizona State University)

A Smoking Gun in the Carina Nebula

• Authors: Kenji Hamaguchi, Michael F. Corcoran, Yuichiro Ezoe, Leisa Townsley, Patrick Broos, Robert Gruendl, Kaushar Vaidya, Stephen M. White, Tod Strohmayer, Rob Petre, You-Hua Chu

tipa -- 2/24/2009

An Imaging and Spectroscopic Study of Four Strong MgII Absorbers Revealed By GRB060418

• Authors: L. K. Pollack (1), H.-W. Chen (2), J. X. Prochaska (1,3), J. S. Bloom (4) ((1) UC Santa Cruz, (2) KICP/UChicago, (3) UCO/Lick, (4) UC Berkeley)

Intermediate Mass Black Holes and Nearby Dark Matter Point Sources: A Myth-Buster

• Authors: Torsten Bringmann, Julien Lavalle, Pierre Salati

tipa -- 2/23/2009

The Detection of Inside-out Disk Growth in M33

• Authors: Benjamin F. Williams, Julianne J. Dalcanton, Andrew E. Dolphin, Jon Holtzman, Ata Sarajedini

classic papers of the week -- 95

Rotating Neutron Stars as the Origin of the Pulsating Radio Sources

• Gold, T. (Center for Radiophysics and Space Research, Cornell University, Ithaca, NY)

Chirality invariance and the universal Fermi interaction

• E.C.G. Sudarshan (Harvard University, Cambridge, MA), R.e. Marshak (University of Rochester, Rochester, NY)

Collision frequency of artificial satellites: The creation of a debris belt

• Kessler, Donald J.; Cour-Palais, Burton G. (NASA Johnson Space Center, Houston, TX)

tipa -- 2/20/2009

NTT, Spitzer and Chandra spectroscopy of SDSSJ095209.56+214313.3: the most luminous coronal-line supernova ever observed, or a stellar tidal disruption event?

• Authors: S. Komossa, H. Zhou, A. Rau, M. Dopita, A. Gal-Yam, J. Greiner, J. Zuther, M. Salvato, D. Xu, H. Lu, R. Saxton, M. Ajello

An Antarctic ice core recording both supernovae and solar cycles

• Authors: Yuko Motizuki, Kazuya Takahashi, Kazuo Makishima, Aya Bamba, Yoichi Nakai, Yasushige Yano, Makoto Igarashi, Hideaki Motoyama, Kokichi Kamiyama, Keisuke Suzuki, Takashi Imamura

tipa -- 2/19/2009

Explaining the Observed Lyman Alpha `Blobs' as Cold Streams of Gas in the Halos of Galaxies

• Authors: Mark Dijkstra, Abraham Loeb

Discovery of a 112 ms X-ray Pulsar in Puppis A: Further Evidence of Neutron Stars Weakly Magnetized at Birth

• Authors: E. V. Gotthelf, J. P. Halpern (Columbia U.)

tipa -- 2/18/2009

The Stellar Ancestry of Supernova Progenitors in the Magellanic Clouds - I. the Most Recent Supernovae in the Large Magellanic Cloud

• Authors: Carles Badenes, Jason Harris, Dennis Zaritsky, Jose Luis Prieto

First AGILE Catalog of High Confidence Gamma-Ray Sources

• Authors: C. Pittori, F. Verrecchia, A. W. Chen, A. Bulgarelli, A. Pellizzoni, A. Giuliani, S. Vercellone, F. Longo, M. Tavani, P. Giommi, G. Barbiellini, M. Trifoglio, F. Gianotti, A. Argan, A. Antonelli, F. Boffelli, P. Caraveo, P. W. Cattaneo, V. Cocco, S. Colafrancesco, E. Costa, S. Cutini, F. D'Ammando, E. Del Monte, G. De Paris, G. Di Cocco, G. Di Persio, I. Donnarumma, Y. Evangelista, G. Fanari, M. Feroci, A. Ferrari, M. Fiorini, F. Fornari, F. Fuschino, T. Froysland, M. Frutti, M. Galli, D. Gasparrini, C. Labanti, I. Lapshov, F. Lazzarotto, F. Liello, P. Lipari, E. Mattaini, M. Marisaldi, M. Mastropietro, A. Mauri, F. Mauri, S. Mereghetti, E. Morelli, E. Moretti, A. Morselli, L. Pacciani, F. Perotti, G. Piano, P. Picozza, C. Pontoni, G. Porrovecchio, B. Preger, M. Prest, R. Primavera, G. Pucella, M. Rapisarda, A. Rappoldi, E. Rossi, A. Rubini, S. Sabatini, P. Santolamazza, P. Soffitta, S. Stellato, F. Tamburelli, A. Traci, A. Trois, E. Vallazza, V. Vittorini, A. Zambra, D. Zanello, L. Salotti

tipa -- 2/17/2009

The Dynamics and Afterglow Radiation of Gamma-Ray Bursts: A Numerical Approach

• Authors: Weiqun Zhang (NYU), Andrew MacFadyen (NYU)

Limits on a muon flux from neutralino annihilations in the Sun with the IceCube 22-string detector

• Authors: R. Abbasi, et al. (IceCube collaboration)

Galaxy-Induced Transformation of Dark Matter Halos

• Authors: Mario G. Abadi, Julio F. Navarro, Mark Fardal, Arif Babul, Matthias Steinmetz

Measurement of the Cosmic Ray and Neutrino-Induced Muon Flux at the Sudbury Neutrino Observatory

• Authors: SNO Collaboration

tipa -- 2/16/2009

Gamma-ray variability from wind clumping in HMXBs with jets

• Authors: S. P. Owocki, G. E. Romero, R. H. D.Townsend, A. T. Araudo

classic papers of the week -- 94

The cosmological constants

• Dirac, P. A. M. (St. John’s College, Cambridge)

Relative Contributions of Uranium, Thorium, and Potassium to Heat Production in the Earth

• Wasserburg, G. J. (California Institute of Technology, Pasadena); MacDonald, Gordon J. F. (Institute of Geophysics and Physics, University of California Los Angeles); Hoyle, F. (Cambridge University, Cambridge, England); Fowler, William A. (California Institute of Technology)

Four-Dimensional Space

tipa -- 2/13/2009

A downturn in intergalactic CIV as redshift 6 is approached

• Authors: Emma V. Ryan-Weber (1), Max Pettini (1), Piero Madau (2), Berkeley J. Zych (1) ((1) Institute of Astronomy, University of Cambridge, (2) Department of Astronomy and Astrophysics, UC Santa Cruz)

A Connection Between Apparent VLBA Jet Speeds and Initial AGN Detections Made by the Fermi Gamma-ray Observatory

• Authors: M. L. Lister (Purdue U.), D. C. Homan (Denison U.), M. Kadler (Bamberg, Erlangen, CRESST/NASA GSFC, USRA), K. I. Kellermann (NRAO), Y. Y. Kovalev (MPIfR, ASC Lebedev), E. Ros (MPIfR), T. Savolainen (MPIfR), J. A. Zensus (MPIfR, NRAO)

The impact of baryons on dark matter haloes

• Authors: Susana E. Pedrosa (1), Patricia B. Tissera (1), Cecilia Scannapieco (2), ((1) Institute for Astronomy and Space Physics - Argentina, (2) Max-Planck Institute for Astrophysics - Germany)

From Symmetry to Supersymmetry

• Authors: Julius Wess

tipa -- 2/12/2009

Formation of Isolated Dwarf Galaxies with Feedback

• Authors: Till Sawala, Cecilia Scannapieco, Simon D.M. White (Max-Planck Institute for Astrophysics Garching)

Radio Emission from Supernova Remnants: Implications for Post-Shock Magnetic Field Amplification and the Magnetic Fields of Galaxies

• Authors: Todd A. Thompson, Eliot Quataert, Norman Murray

tipa -- 2/11/2009

Bright AGN Source List from the First Three Months of the Fermi Large Area Telescope All-Sky Survey

• Authors: A. A. Abdo, et al

Constraints on Neutron Star Crusts From Oscillations in Giant Flares

• Authors: Andrew W. Steiner (JINA and NSCL, Michigan State), Anna L. Watts (Amsterdam)

tipa -- 2/10/2009

Identifying Galactic PeVatrons with Neutrinos

• Authors: M.C. Gonzalez-Garcia, Francis Halzen, Soumya Mohapatra

Fermi Large Area Telescope Bright Gamma-ray Source List

• Authors: A. A. Abdo, et al

Dark matter in the solar system I: The distribution function of WIMPs at the Earth from solar capture

• Authors: Annika H. G. Peter

Discovery of New Interacting Supernova Remnants in the Inner Galaxy

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

The Extremely Luminous Supernova 2006gy at Late Phase: Detection of Optical Emission from Supernova

• Authors: Koji S. Kawabata, Masaomi Tanaka, Keiichi Maeda, Takashi Hattori, Ken'ichi Nomoto, Nozomu Tominaga, Masayuki Yamanaka

tipa -- 2/9/2009

Cosmic Core-Collapse Supernovae from Upcoming Sky Surveys

• Authors: Amy Lien, Brian D. Fields

Implications of a VLBI Distance to the Double Pulsar J0737-3039A/B

• Authors: A. T. Deller, M. Bailes, S. J. Tingay

The Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission

• Authors: Fermi/LAT Collaboration: W. B. Atwood, et al.

A dynamical collective calculation of supernova neutrino signals

• Authors: J.Gava, J. Kneller, C. Volpe, G.C. McLaughlin

classic papers of the week -- 93

Attempt to Detect the Antineutrinos from a Nuclear Reactor by the Cl^37(ν¯, e-)A^37 Reaction

• Davis, Raymond (Department of Chemistry, Brookhaven National Laboratory, Upton, Long Island, New York)

Limits on Massless Particles

• Steven Weinberg, Edward Witten (Lyman Laboratory of Physics, Harvard University, Cambridge, MA)

The New Star in Andromeda

tipa -- 2/6/2009

On the protection of extrasolar Earth-like planets around K/M stars against galactic cosmic rays

• Authors: J. M. Grießmeier (1 and 2), A. Stadelmann (3), J. L. Grenfell (4 and 5), H. Lammer (6), U. Motschmann (3) ((1) LESIA, Observatoire de Paris, Meudon, France, (2) Netherlands Institute for Radio Astronomy, Dwingeloo, The Netherlands, (3) Technische Universität Braunschweig, Germany, (4) Institut für Planetenforschung, DLR, Berlin, Germany, (5) Zentrum für Astronomie und Astrophysik, Technische Universität Berlin, Germany, (6) Space Research Institute, Austrian Academy of Sciences, Graz, Austria)

tipa -- 2/5/2009

A Kiloparsec-Scale Hyper-Starburst in a Quasar Host Less than 1 Gigayear after the Big Bang

• Authors: F. Walter, D. Riechers, P. Cox, R. Neri, C. Carilli, F. Bertoldi, A. Weiss, R. Maiolino

Determination of the Atmospheric Neutrino Flux and Searches for New Physics with AMANDA-II

• Authors: The IceCube Collaboration

The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C

• Authors: J. Greiner, C. Clemens, T. Kruehler, A. v. Kienlin, A. Rau, R. Sari, D.B. Fox, N. Kawai, P. Afonso, M. Ajello, E. Berger, S.B. Cenko, A. Cucchiara, R. Filgas, S. Klose, A. Kuepue Yoldas, G.G. Lichti, S. Loew, S. McBreen, T. Nagayama, A. Rossi, S. Sato, G. Szokoly, A. Yoldas, X.-L. Zhang

tipa -- 2/4/2009

Dark Matter Annihilation Rates with Velocity-Dependent Annihilation Cross Sections

• Authors: Brant Robertson (KICP/UChicago), Andrew Zentner (UPitt)

Natural explanation for the anomalous positron to electron ratio with supernova remnants as the sole cosmic ray source

• Authors: Nir J. Shaviv, Ehud Nakar, Tsvi Piran

Evidence for a Non-Uniform Initial Mass Function in the Local Universe

• Authors: Gerhardt R. Meurer, O.I. Wong, J.H. Kim, D.J. Hanish, T.M. Heckman, J. Werk, J. Bland-Hawthorn, M.A. Dopita, M.A. Zwaan, B. Koribalski, M. Seibert, D.A. Thilker, H.C. Ferguson, R.L. Webster, M.E. Putman, P.M. Knezek, M.T. Doyle, M.J. Drinkwater, C.G. Hoopes, V.A. Kilborn, M. Meyer, E.V. Ryan-Weber, R.C. Smith, L. Staveley-Smith

Type-Ia Supernova-driven Galactic Bulge Wind

• Authors: Shikui Tang, Q. Daniel Wang, Mordecai-Mark Mac Low, M. Ryan Joung

The path to the enhanced and advanced LIGO gravitational-wave detectors

• Authors: Joshua R Smith, for the LIGO Scientific Collaboration