tipa -- 6/13/2007

The First Survey of X-ray Flares from Gamma Ray Bursts Observed by Swift: Spectral Properties and Energetics

• Authors: A. D. Falcone (1), D. Morris (1), J. Racusin (1), G. Chincarini (2 and 3), A. Moretti (2), P. Romano (2 and 3), D. N. Burrows (1), C. Pagani (1), M. Stroh (1), D. Grupe (1), S. Campana (2), S. Covino (2), G. Tagliaferri (2), R. Willingale (4), N. Gehrels (5) ((1) Pennsylvania State University, (2)INAF-Osservatorio Astronomico di Brera, (3) Universita degli studi di Milano-Bicocca, (4) University of Leicester, (5) NASA/Goddard Space Flight Center)

21-cm synthesis observations of VIRGOHI 21 - a possible dark galaxy in the Virgo Cluster

• Authors: Robert Minchin (1 and 2), Jonathan Davies (2), Michael Disney (2), Marco Grossi (2 and 3), Sabina Sabatini (4), Peter Boyce (2), Diego Garcia (2 and 5), Chris Impey (6), Christine Jordan (7), Robert Lang (2), Andrew Marble (6), Sarah Roberts (2), Wim van Driel (8) ((1) Arecibo Observatory, (2) Cardiff University, (3) Osservatorio Astrofisico di Arcetri, (4) Osservatorio Astronomico di Roma, (5) University of Bonn, (6) Steward Observatory, (7) Jodrell Bank Observatory, (8) Observatoire de Paris)

Effects of Inelastic Neutrino-Nucleus Scattering on Supernova Dynamics and Radiated Neutrino Spectra

• Authors: K. Langanke, G. Martinez-Pinedo, B. Mueller, H.-Th. Janka, A. Marek, W.R. Hix, A. Juodagalvis, J. M. Sampaio

Composition-sensitive parameters measured with the surface detector of the Pierre Auger Observatory

• Authors: M.D.Healy, for the Pierre Auger Collaboration

Limits to the diffuse flux of UHE tau neutrinos at EeV energies from the Pierre Auger Observatory

• Authors: O. Blanch Bigas, for the Pierre Auger Collaboration

Search for correlation of UHECRs and BL Lacs in Pierre Auger Observatory data

• Authors: Diego Harari, for the Pierre Auger Collaboration

Studies of clustering in the arrival directions of cosmic rays detected at the Pierre Auger Observatory above 10 EeV

• Authors: Silvia Mollerach, for the Pierre Auger Collaboration

tipa -- 6/12/2007

Detection of GRB 060927 at z = 5.47: Implications for the Use of Gamma-Ray Bursts as Probes of the End of the Dark Ages

• Authors: A. E. Ruiz-Velasco, H. Swan, E. Troja, D. Malesani, J. P. U. Fynbo, R. L. C. Starling, D. Xu, F. Aharonian, C. Akerlof, M. I. Andersen, M. C. B. Ashley, S. D. Barthelmy, D. Bersier, J. M. Castro Cerón, A. J. Castro-Tirado, N. Gehrels, E. Göğüş, J. Gorosabel, C. Guidorzi, T. Güver, J. Hjorth, D. Horns, K. Y. Huang, P. Jakobsson, B. L. Jensen, Ü. Kızıloģlu, C. Kouveliotou, H. A. Krimm, C. Ledoux, A. J. Levan, T. Marsh, T. McKay, A. Melandri, B. Milvang-Jensen, C. G. Mundell, P. T. O'Brien, M. Özel, A. Phillips, R. Quimby, G. Rowell, W. Rujopakarn, E. S. Rykoff, B. E. Schaefer, J. Sollerman, N. R. Tanvir, C. C. Thöne, Y. Urata, W. T. Vestrand, P. M. Vreeswijk, D. Watson, J. C. Wheeler, R. A. M. J. Wijers, J. Wren, S. A. Yost, et al (2 additional authors not shown)

Feedback Heating by Cosmic Rays in Clusters of Galaxies

• Authors: Fulai Guo, S. Peng OH (UCSB)

A Complete Catalog of Swift GRB Spectra and Durations: Demise of a Physical Origin for Pre-Swift High-Energy Correlations

• Authors: Nathaniel R. Butler, Daniel Kocevski, Joshua S. Bloom, Jason L. Curtis

Accretion vs colliding wind models for the gamma-ray binary LS I +61 303: an assessment

• Authors: G.E. Romero, A.T. Okazaki, M. Orellana, S.P. Owocki

Arc-like distribution of high CO(J=3-2)/CO(J=1-0) ratio gas surrounding the central star cluster of the supergiant HII region NGC 604

• Authors: T. Tosaki, R. Miura, T. Sawada, N. Kuno, K. Nakanishi, K. Kohno, S. K. Okumura, R. Kawabe

Very High Energy Gamma-ray Radiation from the Stellar-mass Black Hole Cygnus X-1

• Authors: MAGIC Collaboration: J. Albert, et al

Study of the Cosmic Ray Composition above 0.4 EeV using the Longitudinal Profiles of Showers observed at the Pierre Auger Observatory

• Authors: Michael Unger, for the Pierre Auger Collaboration

Search for Gamma Ray Bursts using the single particle technique at the Pierre Auger Observatory

• Authors: X.Bertou, for the Pierre Auger Observatory

tipa -- 6/11/2007

A multi-wavelength study of z = 3.15 Lyman-alpha emitters in the GOODS South Field

• Authors: Kim K. Nilsson (1,2), P. Moeller (1), O. Moeller (3), J.P.U. Fynbo (2), M.J. Michalowski (2), D. Watson (2), C. Ledoux (4), P. Rosati (1), K. Pedersen (2), L.F. Grove (2), (1 ESO-Garching, 2 Dark Cosmology Centre, 3 MPA, 4 ESO-Chile)

Suzaku Observations of Active Galactic Nuclei Detected in the Swift/BAT Survey: Discovery of "New Type" of Buried Supermassive Black Holes

• Authors: Yoshihiro Ueda, Satoshi Eguchi (Kyoto University), Yuichi Terashima (Ehime University), Richard Mushotzky, Jack Tueller, Craig Markwardt, Neil Gehrels (NASA/GSFC), Yasuhiro Hashimoto, Stephen Potter (SAAO)

GRB 060206 and the quandary of achromatic breaks in afterglow light curves

• Authors: P.A. Curran, A.J. van der Horst, R.A.M.J. Wijers, R.L.C. Starling, A.J. Castro-Tirado, J.P.U. Fynbo, J. Gorosabel, A.S. Jarvinen, D. Malesani, E. Rol, N.R. Tanvir, K. Wiersema, M.R. Burleigh, S.L. Casewell, P.D. Dobbie, S. Guziy, P. Jakobsson, M. Jelinek, P. Laursen, A.J. Levan, C.G. Mundell, J. Naranen, S. Piranomonte

classic papers of the week -- 24

Cosmological Lower Bound on Heavy Neutrino Masses

• Benjamin W. Lee (Fermilab) , Steven Weinberg (Stanford U., Phys. Dept.)

The Formation of a Blast Wave by a Very Intense Explosion. II. The Atomic Explosion of 1945

• Taylor, Geoffrey

Is Hinchliffe's Rule True?

• Boris Peon

tipa -- 6/8/2007

Radiative Transfer Effect on Ultraviolet Pumping of the 21cm Line in the High Redshift Universe

• Authors: Leonid Chuzhoy (1) Zheng Zheng (2) ((1) University of Texas at Austin, (2) Institute for Advanced Study)

Constraining Warm Dark Matter using QSO gravitational lensing

• Authors: M. Miranda, A.V. Macciò

Constraining white-dwarf kicks in globular clusters

• Authors: Jeremy S. Heyl

The Ultraluminous X-ray Sources near the Center of M82

• Authors: A.K.H. Kong (MIT), Y.J. Yang, P.-Y. Hsieh (ASIAA, Taiwan), D.S.Y. Mak, C.S.J. Pun (The University of Hong Kong)

Measurement of Muon Neutrino Quasi-Elastic Scattering on Carbon

• Authors: MiniBooNE collaboration

tipa -- 6/7/2007

An Exceptional VHE Gamma-Ray Flare of PKS 2155-304

• Authors: F. Aharonian, et al. (HESS Collaboration)

Imaging the Cosmic Matter Distribution using Gravitational Lensing of Pregalactic HI

• Authors: Stefan Hilbert, R. Benton Metcalf, S. D. M. White

Measuring 10-1000 GeV Cosmic Ray Electrons with GLAST/LAT

• Authors: Alexander A.Moiseev, Jonathan F.Ormes, Igor V.Moskalenko

tipa -- 6/6/2007

The Kinematics of the Ultra-Faint Milky Way Satellites: Solving the Missing Satellite Problem

• Authors: Joshua D. Simon (Caltech), Marla Geha (HIA/DAO)

The Discovery of 1000 km/s Outflows in Massive Post-starburst Galaxies at z=0.6

• Authors: Christy A. Tremonti (1), John Moustakas (2), Aleksandar M. Diamond-Stanic (1) ((1) Steward Observatory, (2) New York University)

Evidence for a Z < 8 Origin of the Source Subtracted Near Infrared Background

• Authors: Rodger I. Thompson, Daniel Eisenstein, Xiaohui Fan, Marcia Rieke, Robert C. Kennicutt

On the detection of very high redshift Gamma Ray Bursts with Swift

• Authors: R. Salvaterra, S. Campana, G. Chincarini, G. Tagliaferri, S. Covino

TeV gamma-rays from photo-disintegration/de-excitation of nuclei in Westerlund 2

• Authors: Luis A. Anchordoqui, John F. Beacom, Yousaf M. Butt, Haim Goldberg, Sergio Palomares-Ruiz, Thomas J. Weiler, Justin Wesolowski

tipa -- 6/5/2007

Dark matter halo abundances, clustering and assembly histories at high redshift

• Authors: J.D. Cohn, Martin White

First Measurement of a Rapid Increase in the AGN Fraction in High-Redshift Clusters of Galaxies

• Authors: Jason Eastman, Paul Martini, Gregory Sivakoff (Ohio State), Daniel D. Kelson, John S. Mulchaey (Carnegie Observatories), Kim-Vy Tran (ETH Zurich)

A Monte Carlo Study of the Irreducible Background in the EGRET Instrument

• Authors: T. A. Porter, W. B. Atwood, B. Baughman, R. P. Johnson

CANGAROO-III Search for Gamma Rays from Centaurus A and the $\omega$ Centauri Region

• Authors: S.Kabuki, R.Enomoto, CANGAROO-III collaboration

Measurement of neutrino velocity with the MINOS detectors and NuMI neutrino beam

• Authors: MINOS Collaboration: P. Adamson, et al

Neutrino oscillations in a variable-density medium and $\nu-$ bursts due to the gravitational collapse of stars

• Authors: S. P. Mikheev, A. Yu. Smirnov

tipa -- 6/4/2007

The accretion origin of the Milky Way's stellar halo

• Authors: Eric F. Bell, Daniel B. Zucker, Vasily Belokurov, Sanjib Sharma, Kathryn V. Johnston, James S. Bullock, David W. Hogg, Knud Jahnke, Jelte T. A. de Jong, Timothy C. Beers, N. W. Evans, Eva K. Grebel, Zeljko Ivezic, Sergey E. Koposov, Hans-Walter Rix, Donald P. Schneider, Matthias Steinmetz, Adi Zolotov

The discovery of two extremely low luminosity Milky Way globular clusters

• Authors: S. Koposov (1,2), J. T. A. de Jong (1), V. Belokurov (2), H.-W. Rix (1), D.B. Zucker (2), N.W. Evans (2), G. Gilmore (2), M.J. Irwin (2), E. F. Bell (1) ((1) Max Planck Institute for Astronomy, (2) Institute of Astronomy, University of Cambridge)

First Results from the XENON10 Dark Matter Experiment at the Gran Sasso National Laboratory

• Authors: J. Angle, E. Aprile, F. Arneodo, L. Baudis, A. Bernstein, A. Bolozdynya, P. Brusov, L.C.C. Coelho, C.E. Dahl, L. DeViveiros, A.D. Ferella, L.M.P. Fernandes, S. Fiorucci, R.J. Gaitskell, K.L. Giboni, R. Gomez, R. Hasty, L. Kastens, J. Kwong, J.A.M. Lopes, N. Madden, A. Manalaysay, A. Manzur, D.N. McKinsey, M.E. Monzani, K. Ni, U. Oberlack, J. Orboeck, G. Plante, R. Santorelli, J.M.F. dos Santos, P. Shagin, T. Shutt, P. Sorensen, S. Schulte, C. Winant, M. Yamashita (XENON Collaboration)

Searching for energetic cosmic axions in a laboratory experiment: testing the PVLAS anomaly

• Authors: M.Fairbairn (CERN), S.N.Gninenko, N.V.Krasnikov, V.A.Matveev (Moscow, INR), T.I.Rashba (Munich, Max Planck Inst. and Troitsk, IZMIRAN), A.Rubbia (Zurich, ETH), Sergey Troitsky (Moscow, INR)

The Astrophysics of Early Galaxy Formation

• Authors: Piero Madau

classic papers of the week -- 23

On an alternative decay process for the neutral pi-meson

• R.H. Dalitz

The Inflationary Universe: A Possible Solution to the Horizon and Flatness Problems

• Alan H. Guth (SLAC)

Observation of a Line in the Galactic Radio Spectrum: Radiation from Galactic Hydrogen at 1,420 Mc./sec

• Ewen, H. I.; Purcell, E. M. (Lyman Laboratory, Harvard University, Cambridge, Mass)

tipa -- 6/1/2007

SN 2005hj: Evidence for Two Classes of Normal-Bright SNe Ia and Implications for Cosmology

• Authors: Robert Quimby, Peter Höflich, J. Craig Wheeler

Cosmic rays and the primordial gas

• Authors: Jens Jasche, Benedetta Ciardi, Torsten A. Ensslin

Revisiting cosmological bounds on radiative neutrino lifetime

• Authors: A. Mirizzi (MPI), D. Montanino (Lecce U. & INFN, Lecce), P.D. Serpico (Fermilab)

tipa -- 5/31/2007

Towards Closing the Window on Strongly Interacting Dark Matter: Far-Reaching Constraints from Earth's Heat Flow

• Authors: Gregory D. Mack (Ohio State), John F. Beacom (Ohio State), Gianfranco Bertone (IAP)

The Likely Cause of the EGRET GeV Anomaly and its Implications

• Authors: F. W. Stecker, S. D. Hunter, D. A. Kniffen (NASA/GSFC)

Evidence for nonlinear diffusive shock acceleration of cosmic-rays in the 2006 outburst of the recurrent nova RS Ophiuchi

• Authors: V. Tatischeff, M. Hernanz

tipa -- 5/30/2007

The variable radio-to-X-ray spectrum of the magnetar XTE J1810-197

• Authors: F. Camilo (1), S. M. Ransom (2), J. Penalver (3), A. Karastergiou (3), M. van Kerkwijk (4), M. Durant (5), J. P. Halpern (1), J. Reynolds (6), C. Thum (3), D. J. Helfand (1), N. Zimmerman (1), I. Cognard (7) ((1) Columbia, (2) NRAO, (3) IRAM, (4) Toronto, (5) IAC, (6) ATNF, (7) CNRS)

Properties of a Gamma Ray Burst Host Galaxy at z ~ 5

• Authors: P. A. Price, A. Songaila, L. L. Cowie, J. Bell Burnell, E. Berger, A. Cucchiara, D. B. Fox, I. Hook, S. R. Kulkarni, B. Penprase, K. C. Roth, B. Schmidt

Superluminous supernovae: No threat from Eta Carinae

• Authors: Brian C. Thomas (Washburn Univ.), Adrian L. Melott (Univ. of Kansas), Brian D. Fields (Univ. of Illinois), Barbara J. Anthony-Twarog (Univ. of Kansas)

tipa -- 5/29/2007

8.4GHz VLBI observations of SN2004et in NGC6946

• Authors: I. Marti-Vidal, J.M.Marcaide, A. Alberdi, J.C. Guirado, L. Lara, M.A. Perez-Torres, E. Ros, M.K. Argo, R.J. Beswick, T.W.B. Muxlow, A. Pedlar, I.I. Shapiro, C.J. Stockdale, R.A. Sramek, K.W. Weiler, J. Vinko

The first second of SN1987A neutrino emission

• Authors: G. Pagliaroli, M.L. Costantini, A. Ianni, F. Vissani

An Experiment to Search for Light Dark Matter in Low-Energy ep Scattering

• Authors: Sven Heinemeyer (1), Yonatan Kahn (2), Michael Schmitt (2), Mayda Velasco (2) ((1) Instituto de Fisica de Cantabria, (2) Northwestern University)

Gamma-ray albedo of the moon

• Authors: Igor V. Moskalenko (Stanford), Troy A. Porter (UCSC)

tipa -- 5/28/2007

Evidence Of Dark Matter Annihilations In The WMAP Haze

• Authors: Dan Hooper, Douglas P. Finkbeiner, Gregory Dobler

An unusually brilliant transient in the galaxy Messier 85

• Authors: S. R. Kulkarni, E. O. Ofek, A. Rau, S. B. Cenko, A. M. Soderberg, D. B. Fox, A. Gal-Yam, P. L. Capak, D. S. Moon, W. Li, A. V. Filippenko, E. Egami, J. Kartaltepe, D. B. Sanders

BL Lac Contribution to the Extragalactic Gamma-Ray Background

• Authors: Tanja M. Kneiske, Karl Mannheim

Deep radio images of the HEGRA and Whipple TeV sources in the Cygnus OB2 region

• Authors: Josep Marti, Josep M. Paredes, Ishwara Chandra C. H., Valenti Bosch-Ramon

Oscillation Effects and Time Variation of the Supernova Neutrino Signal

• Authors: James P. Kneller, Gail C. McLaughlin, Justin Brockman

Measurement of the Atmospheric Muon Charge Ratio at TeV Energies with MINOS

• Authors: MINOS Collaboration

classic papers of the week -- 22

Energy production in stars

• H.A. Bethe (Cornell U., Phys. Dept.)

A new method of determining distances to galaxies

• Tully, R. B. (Marseille, Observatoire, Marseille, France); Fisher, J. R. (National Radio Astronomy Observatory, Green Bank, W. Va.)

Reflections on Trusting Trust

• Ken Thompson

tipa -- 5/25/2007

On the likelihood of supernova enrichment of protoplanetary disks

• Authors: Jonathan P. Williams, Eric Gaidos (Univ. of Hawaii Manoa)

An XMM-Newton study of Hyper-Luminous Infrared Galaxies

• Authors: A. Ruiz, F.J. Carrera, F. Panessa (IFCA (CSIC - Uc))

Impact of Cosmic Rays on Population III Star Formation

• Authors: Athena Stacy, Volker Bromm

tipa -- 5/24/2007

VHE Gamma-Ray Observation of the Crab Nebula and Pulsar with MAGIC

• Authors: MAGIC Collaboration, (J. Albert, et al)

Helium abundance in galaxy clusters and Sunyaev-Zeldovich effect

• Authors: Maxim Markevitch (CfA)

tipa -- 5/23/2007

The First Supernova Explosions: Energetics, Feedback, and Chemical Enrichment

• Authors: Thomas H. Greif, Jarrett L. Johnson, Volker Bromm, Ralf S. Klessen

Prospects for Constraining Neutrino Mass Using Planck and Lyman-Alpha Forest Data

• Authors: Steven Gratton, Antony Lewis, George Efstathiou

Discovery of VHE Gamma Radiation from IC443 with the MAGIC Telescope

• Authors: MAGIC Collaboration, (J. Albert, et al.)

SubmilliJansky Transients in Archival Radio Observations

• Authors: Geoffrey C. Bower, Destry Saul, Joshua S. Bloom, Alberto Bolatto, Alexei V. Filippenko, Ryan J. Foley, Daniel Perley (UC Berkeley)

Cosmic ray confinement in fossil cluster bubbles

• Authors: M. Ruszkowski (1), T.A. Ensslin (1), M. Bruggen (2), M.C. Begelman (3), E. Churazov (1) ((1) MPA, (2) Jacobs University, (3) JILA)

tipa -- 5/22/2007

Detection of VHE gamma-ray emission from the distant blazar 1ES 1101-232 with H.E.S.S. and broadband characterisation

• Authors: H.E.S.S. Collaboration: F. Aharonian, et al.

Prompt GeV-TeV Emission of Gamma-Ray Bursts Due to High-Energy Protons, Muons and Electron-Positron Pairs

• Authors: Katsuaki Asano, Susumu Inoue

Searching for galactic cosmic ray pevatrons with multi-TeV gamma rays and neutrinos

• Authors: Stefano Gabici (1), Felix A. Aharonian (1,2) (1 - MPIK Heidelberg, 2 - DIAS Dublin)

Masers as Probes of Massive Star Formation in the Nuclear Disk

• Authors: F. Yusef-Zadeh, R. G. Arendt, C. O. Heinke, J. L. Hinz, J. W. Hewitt, P. Pratap, S. V. Ramirez, G. H. Rieke, D. A. Roberts, S. R. Stolovy, M. Wardle, B. A. Whitney