today in particle astrophysics

Authors: The MAGIC Collaboration: E. Aliu, et al

Simultaneous Triggered Collapse of the Presolar Dense Cloud Core and Injection of Short-Lived Radioisotopes by a Supernova Shock Wave

Authors: Alan P. Boss, Sergei I. Ipatov, Sandra A. Keiser, Elizabeth A. Myhill, Harri A. T. Vanhala

tipa -- 9/18/2008

The Least Luminous Galaxy: Spectroscopy of the Milky Way Satellite Segue 1

Authors: Marla Geha, Beth Willman, Josh D. Simon, Louis E. Strigari, Evan N. Kirby, David R. Law, Jay Strader

Weighing the spatial and temporal fluctuations of the dark universe

Authors: Pengjie Zhang (SHAO), Rachel Bean (Cornell), Michele Liguori (Cambridge), Scott Dodelson (Fermilab/Chicago)

First Measurement of the Neutron $\beta$-Asymmetry with Ultracold Neutrons

Authors: R.W. Pattie Jr, et al. (The UCNA Collaboration)

tipa -- 9/17/2008

High-Redshift Starbursting Dwarf Galaxies Revealed by GRB Afterglows

Authors: Hsiao-Wen Chen, Daniel A. Perley, Lindsey K. Pollack, J. X. Prochaska, J. S. Bloom, M. Dessauges-Zavadsky, M. Pettini, S. Lopez, A. Dall'Aglio, G. D. Becker

tipa -- 9/16/2008

H.E.S.S. Observations of the Prompt and Afterglow Phases of GRB 060602B

Authors: HESS Collaboration: F. Aharonian, et al

Inverse Compton gamma-ray models for remnants of Galactic type Ia supernovae?

Authors: H.J. Voelk (1), L.T. Ksenofontov (2), E.G. Berezhko (2) ((1) Max-Planck Institut fuer Kernphysik, Heidelberg, Germany, (2) Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy, Yakutsk, Russia)

Event-horizon-scale structure in the supermassive black hole candidate at the Galactic Centre

Authors: Sheperd Doeleman (1), Jonathan Weintroub (2), Alan E.E. Rogers (1), Richard Plambeck (3), Robert Freund (4), Remo P.J. Tilanus (5 and 6), Per Friberg (5), Lucy M. Ziurys (4), James M. Moran (2), Brian Corey (1), Ken H. Young (2), Daniel L. Smythe (1), Michael Titus (1), Daniel P. Marrone (7 and 8), Roger J. Cappallo (1), Douglas C.J. Bock (9), Geoffrey C. Bower (3), Richard Chamberlin (10), Gary R. Davis (5), Thomas P. Krichbaum (11), James Lamb (12), Holly Maness (3), Arthur E. Niell (1), Alan Roy (11), Peter Strittmatter (4), Daniel Werthimer (13), Alan R. Whitney (1), David Woody (12) ((1) MIT Haystack Observatory, (2) Harvard-Smithsonian Center for Astrophysics, (3) UC Berkeley, (4) University of Arizona - Arizona Radio Observatory, (5) James Clerk Maxwell Telescope, (6) Netherlands Organization for Scientific Research, (7) National Radio Astronomy Observatory, (8) Kavli Institute for Cosmological Physics, (9) Combined Array for Research in Millimeter-wave Astronomy, (10) Caltech Submillimeter Observatory, (11) Max-Planck-Institut fur Radioastronomie, (12) Owens Valley Radio Observatory, (13) UC Berkeley Space Sciences Laboratory)

SCP06F6: A carbon-rich extragalactic transient at redshift z~0.14

Authors: B.T. Gaensicke, A.J. Levan, T.R. Marsh, P.J. Wheatley

First Measurement of $\nu_\mu$ and $\nu_e$ Events in an Off-Axis Horn-Focused Neutrino Beam

Authors: P. Adamson, A. A. Aguilar-Arevalo, C. E. Anderson, A. O. Bazarko, M. Bishai, S. J. Brice, B. C. Brown, L. Bugel, J. Cao, B. C. Choudhary, L. Coney, J. M. Conrad, D. C. Cox, A. Curioni, Z. Djurcic, D. A. Finley, B. T. Fleming, R. Ford, H. R. Gallagher, F. G. Garcia, G. T. Garvey, C. Green, J. A. Green, D. Harris, T. L. Hart, E. Hawker, J. Hylen, R. Imlay, R. A. Johnson, G. Karagiorgi, P. Kasper, T. Katori, T. Kobilarcik, S. Kopp, I. Kourbanis, S. Koutsoliotas, E. M. Laird, S. K. Linden, J. M. Link, Y. Liu, Y. Liu, L. Loiacono, W. C. Louis, A. Marchionni, K. B. M. Mahn, W. Marsh, G. McGregor, M. D. Messier, W. Metcalf, P. D. Meyers, F. Mills, G. B. Mills, J. Monroe, C. D. Moore, J. K. Nelson, R. H. Nelson, V. T. Nguyen, P. Nienaber, J. A. Nowak, S. Ouedraogo, R. B. Patterson, Z. Pavlovic, D. Perevalov, et al. (33 additional authors not shown)

tipa -- 9/15/2008

The Galactic potential and the asymmetric distribution of hypervelocity stars

Authors: Hagai B. Perets, Xufen Wu, HongSheng Zhao, Benoit Famaey, Gianfranco Gentile, Tal Alexander

Acceleration of Galactic Supershells by Lyman Alpha Radiation

Authors: Mark Dijkstra, Abraham Loeb

classic papers of the week -- 82

Electrical Disturbances Apparently of Extraterrestrial Origin

Jansky, K. G. (Bell Telephone Laboratories, Inc., New York City)

Processes Involving Charged Mesons

C.M.G. Lattes, H. Muirhead, G.P.S. Occhialini, C.F. Powell (H. H. Wills Physical Laboratory, University of Bristol)

An SU(3) model for strong interaction symmetry and its breaking

G. Zweig (CERN)

Authors: M. Forot (AIME, Sap), Philippe Laurent (SAp, Apc), I A. Grenier (AIME, Sap), C. Gouiffes (AIME, Sap), F. Lebrun (SAp, Apc)

tipa -- 9/8/2008

Can proper motions of dark-matter subhalos be detected?

Authors: Shin'ichiro Ando, Marc Kamionkowski, Samuel K. Lee (Caltech), Savvas M. Koushiappas (Brown Univ.)

A blueprint for detecting supersymmetric dark matter in the Galactic halo

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

Photon and Graviton Mass Limits

Authors: Alfred Scharff Goldhaber, Michael Martin Nieto

classic papers of the week -- 81

Prompt gamma rays and X-rays from supernovae

Colgate, S. A.

The Isolation of an Ion, A Precision Measurement of Its Charge, and the Correction of Stokes's Law

Millikan, R. A. (Ryerson Laboratory, University of Chicago)

Preliminary Design of an Experimental World-Circling Spaceship

Project RAND

tipa -- 9/5/2008

The Gravitational Wave Signature of Core-Collapse Supernovae

Authors: Christian D. Ott (TAPIR, Caltech)

Cosmic rays from active galactic nuclei

Authors: E.G.Berezhko (Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy, Yakutsk, Russia)

High-energy electron observations by PPB-BETS flight in Antarctica

tipa -- 9/4/2008

A New Class of Luminous Transients and A First Census of Their Massive Stellar Progenitors

Authors: Todd A. Thompson, Jose L. Prieto, K. Z. Stanek, Matthew D. Kistler, John F. Beacom, Christopher S. Kochanek (Ohio State University)

The Extragalactic Distance Scale without Cepheids

Authors: Jeremy Mould, Shoko Sakai

HESS J0632+057 : A new gamma-ray binary?

Authors: J. A. Hinton (1), J. L. Skilton (1), S. Funk (2), J. Brucker (3), F. A. Aharonian (4,5), G. Dubus (6), A. Fiasson (7), Y. Gallant (7), W. Hofmann (5), A. Marcowith (7), O. Reimer (2) ((1) School of Physics & Astronomy, University of Leeds, UK, (2) Kavli Institute for Particle Astrophysics and Cosmology, SLAC, USA, (3) Universität Erlangen-Nürnberg, Physikalisches Institut, Germany, (4) Dublin Institute for Advanced Studies, Ireland, (5) Max-Planck-Institut für Kernphysik, Heidelberg, Germany, (6) Laboratoire d'Astrophysique de Grenoble, INSU/CNRS, Université Joseph Fourier, France, (7) Laboratoire de Physique Théorique et Astroparticules, CNRS/IN2P3, Université Montpellier II, France)

The Chemical Abundances of Tycho G in Supernova Remnant 1572

Authors: Jonay I. González Hernández, Pilar Ruiz-Lapuente, Alexei V. Filippenko, Ryan J. Foley, Avishay Gal-Yam, Joshua D. Simon

Primordial Nucleosynthesis: from precision cosmology to fundamental physics

Authors: F. Iocco, G. Mangano, G. Miele, O. Pisanti, P.D. Serpico

tipa -- 9/3/2008

The death of massive stars - I. Observational constraints on the progenitors of type II-P supernovae

Authors: S.J. Smartt (1), J.J. Eldridge (2), R.M. Crockett (1), J.R. Maund (3) ((1) Queen's University Belfast; (2) IoA, Cambridge; (3) Dark Cosmology Centre, Copenhagen)

Reopening the window on charged dark matter

Authors: Leonid Chuzhoy, Edward W. Kolb

tipa -- 9/1/2008

Dark Bursts in the Swift Era: The Palomar 60 inch-Swift Early Optical Afterglow Catalog

Authors: S. B. Cenko, J. Kelemen, F. A. Harrison, D. B. Fox, S. R. Kulkarni, M. M. Kasliwal, E. O. Ofek, A. Rau, A. Gal-Yam, D. A. Frail, D.-S. Moon

Equation-of-State Dependent Features in Shock-Oscillation Modulated Neutrino and Gravitational-Wave Signals from Supernovae

Authors: A. Marek, H.-Th. Janka, E. Mueller

Changes in Dark Matter Properties After Freeze-Out

Authors: Timothy Cohen, David E. Morrissey, Aaron Pierce

Testing the Dark Matter Interpretation of the DAMA/LIBRA Result with Super-Kamiokande

Authors: Jonathan L. Feng, Jason Kumar, John Learned, Louis E. Strigari

tipa -- 8/29/2008

Using Spatial Distributions to Constrain Progenitors of Supernovae and Gamma Ray Bursts

Authors: Cody Raskin, Evan Scannapieco, James Rhoads, Massimo Della Valle

A common mass scale for satellite galaxies of the Milky Way

Authors: Louis E. Strigari, James S. Bullock, Manoj Kaplinghat, Joshua D. Simon, Marla Geha, Beth Willman, Matthew G. Walker

Formation of a Quasar Host Galaxy through a Wet Merger 1.4 Billion Years after the Big Bang

Authors: Dominik A. Riechers (1,2,5), Fabian Walter (1), Christopher L. Carilli (3), Frank Bertoldi (4), Emmanuel Momjian (3) ((1) MPIA, Germany; (2) Caltech, USA; (3) NRAO, USA; (4) AIfA Bonn, Germany; (5) Hubble Fellow)

A Disk of Young Stars at the Galactic Center as Determined by Individual Stellar Orbits