today in particle astrophysics

Authors: Johan P. U. Fynbo (1), J. Xavier Prochaska (2), Jesper Sommer-Larsen (3,1), Miroslava Dessauges-Zavadsky (4), Palle Moller (5) ((1) Dark Cosmology Centre, NBI, Copenhagen, Denmark; (2) UCO/Lick Observatory, USA; (3) Excellence Cluster Universe, TUM, Munich, Germany; (4) Geneva Observatory, Switzerland; (5) European Southern Observatory, Garching, Germany)

Simulations of cosmic ray feedback by AGN in galaxy clusters

Authors: D. Sijacki (1,2), C. Pfrommer (3), V. Springel (1), T. A. Ensslin (1) ((1) MPA Garching, (2) IoA Cambridge, (3) CITA Toronto)

A Measurement of the Rate of type-Ia Supernovae at Redshift $z\approx$ 0.1 from the First Season of the SDSS-II Supernova Survey

Authors: Benjamin Dilday, R. Kessler, J. A. Frieman, J. Holtzman, J. Marriner, G. Miknaitis, R. C. Nichol, R. Romani, M. Sako, B. Bassett, A. Becker, D. Cinabro, F. DeJongh, D. L. Depoy, M. Doi, P. M. Garnavich, C. J. Hogan, S. Jha, K. Konishi, H. Lampeitl, J. L. Marshall, D. McGinnis, J. L. Prieto, A. G. Riess, M. W. Richmond, D. P. Schneider, M. Smith, N. Takanashi, K. Tokita, K. van der Heyden, N. Yasuda C. Zheng, J. Barentine, H. Brewington, C. Choi, A. Crotts, J. Dembicky, M. Harvanek, M. Im, W. Ketzeback, S. J. Kleinman, J. Krzesiński, D. C. Long, E. Malanushenko, V. Malanushenko, R. J. McMillan, A. Nitta, K. Pan, G. Saurage, S. A. Snedden, S. Watters, J. C. Wheeler, D. York

tipa -- 1/22/2008

Multi-wavelength (radio, X-ray and gamma-ray) observations of the gamma-ray binary LS I +61 303

Authors: MAGIC Collaboration: J. Albert, et al

Formation of hard VHE gamma-ray spectra of blazars due to internal photon-photon absorption

Authors: F. Aharonian, D. Khangulyan, L. Costamante

Discovery of the counterpart of TeV Gamma-ray source HESS J1731-347: a new SNR G353.6-0.7 with radio and X-ray images

Authors: W.W. Tian, D.A. Leahy, M. Haverkorn, B. Jiang

tipa -- 1/21/2008

Gemini and Hubble Space Telescope Evidence for an Intermediate Mass Black Hole in omega Centauri

Authors: Eva Noyola (1,2), Karl Gebhardt (2), Marcel Bergmann (3) ((1) MPE, (2) UT Austin, (3) Gemini)

High-energy cosmic-ray nuclei from high- and low-luminosity gamma-ray bursts and implications for multi-messenger astronomy

Authors: Kohta Murase, Kunihito Ioka, Shigehiro Nagataki, Takashi Nakamura

A Search for the Progenitors of Two Type-Ia Supernovae in NGC 1316

Authors: Dan Maoz, Filippo Mannucci

classic papers of the week -- 53

Neutrino Oscillations and the Number of Neutrino Types

A.K. Mann, H. Primakoff (Department of Physics, University of Pennsylvania)

Cosmological Production of Superheavy Magnetic Monopoles

John Preskill (Lyman Laboratory of Physics, Harvard University)

On the origin of the forms and the present condition of some of the clusters of stars, and several of the nebulae

Alexander, Stephen

tipa -- 1/18/2008

Precision timing of PSR J0437-4715: an accurate pulsar distance, a high pulsar mass and a limit on the variation of Newton's gravitational constant

Authors: J.P.W. Verbiest, M. Bailes, W. van Straten, G.B. Hobbs, R.T. Edwards, R.N. Manchester, N.D.R. Bhat, J.M. Sarkissian, B.A. Jacoby, S.R. Kulkarni

Pulsar Wind Nebulae in the Chandra Era

Authors: O. Kargaltsev, G. G. Pavlov

tipa -- 1/17/2008

MAGIC observations of the unidentified TeV gamma-ray source TeV J2032+4130

Authors: J. Albert, et al, for the MAGIC Collaboration

Spectral Properties of Prompt Emission of Four Short Gamma-Ray Bursts Observed by the Suzaku-WAM and the Konus-Wind

Authors: Masanori Ohno (1), Yasushi Fukazawa (1) Takuya Takahashi (1), Kazutaka Yamaoka (2), Satoshi Sugita (2), Valentin Pal'shin (3), Takanori Sakamoto (4), Goro Sato (4), Kevin Hurley (5), Dmitry Frederiks (3), Philipp Oleynik (3), Mikhail Ulanov (3) Makoto Tashiro (6), Yuji Urata (6), Kaori Onda (6), Toru Tamagawa (7), Yukikatsu Terada (7), Motoko Suzuki (7), Hong Soojing (8) ((1) Department of Physical Sciences, School of Science, Hiroshima University (2) Department of Physics and Mathematics, Aoyama Gakuin University (3) Ioffe Physico-Technical Institute, Laboratory for Experimental Astrophysics (4) NASA Goddard Space Flight Center (5) University of California, Berkeley, Space Sciences Laboratory (6) Department of Physics, Saitama University (7) Institute of Physical and Chemical Research (RIKEN) (8) Laboratory of Physics College of Science and Technology, Nihon University)

tipa -- 1/16/2008

Non-thermal Emission in Sagittarius B?

Authors: Cornelia C. Lang, Patrick Palmer, W. M. Goss

The Baryon Content of Dark Matter Halos: Empirical Constraints from MgII Absorbers

Authors: Hsiao-Wen Chen, Jeremy L. Tinker (U Chicago, KICP)

Gamma-ray emission from the solar halo and disk: a study with EGRET data

Authors: Elena Orlando, Andrew W. Strong

Implications for Galaxy Evolution from the Cosmic Evolution of Supernova Rate Density

Authors: T. Oda, T. Totani, N. Yasuda, T. Sumi, T. Morokuma, M. Doi, G. Kosugi

Massive stars exploding in a He-rich circumstellar medium. I. Type Ibn (SN 2006jc-like) events

Authors: A. Pastorello, S. Mattila, L. Zampieri, M. Della Valle, S. J. Smartt, S. Valenti, I. Agnoletto, S. Benetti, C. R. Benn, D. Branch, E. Cappellaro, M. Dennefeld, J. J. Eldridge, A. Gal-Yam, A. Harutyunyan, I. Hunter, H. Kjeldsen, Y. Lipkin, P. A. Mazzali, P. Milne, H. Navasardyan, E. O. Ofek, E. Pian, O. Shemmer, S. Spiro, R. A. Stathakis, S. Taubenberger, M. Turatto, H. Yamaoka

tipa -- 1/14/2008

The all-particle spectrum of primary cosmic rays in the wide energy range from 10^14 eV to 10^17 eV observed with the Tibet-III air-shower array

Authors: M. Amenomori, et al, (The Tibet ASgamma Collaboration)

Precise Measurement of the Cosmological Power Spectrum With a Dedicated 21cm Survey After Reionization

Authors: Abraham Loeb (Harvard), Stuart Wyithe (Melbourne)

classic papers of the week -- 52

The Flatness of the Universe: Reconciling Theoretical Prejudices with Observational Data

Michael S. Turner (Fermi National Accelerator Laboratory, Batavia; Chicago University, Chicago, IL), Gary Steigman (Bartol Research Foundation, University of Delaware, Newark, DE), Lawrence M. Krauss (Harvard University, Cambridge, MA)

Lepton Number as the Fourth Color

Jogesh C. Pati (Department of Physics and Astronomy, University of Maryland, College Park, MD) , Abdus Salam (International Centre for Theoretical Physics, Trieste, Italy; Imperial College, London)

On Nuclear Reactions Occuring in Very Hot Stars. I. The Synthesis of Elements from Carbon to Nickel

Hoyle, F.

Hoyle's Equation

Donald D. Clayton (Department of Physics and Astronomy, Clemson University, Clemson, SC)

tipa -- 1/11/2008

The Evolution of Stellar Mass and the Implied Star Formation History

Authors: Stephen M. Wilkins (1), Neil Trentham (1), Andrew M. Hopkins (2) ((1) Institute of Astronomy, Cambridge, UK, (2) University of Sydney, Australia)

Methods for point source analysis in high energy neutrino telescopes

Authors: Jim Braun, Jon Dumm, Francesco De Palma, Chad Finley, Albrecht Karle, Teresa Montaruli

The Maximum Patch Method for Directional Dark Matter Detection

Authors: Shawn Henderson, Jocelyn Monroe, Peter Fisher

tipa -- 1/10/2008

GLAST testing of a pulsar model matching H.E.S.S. observations of LS 5039

Authors: Agnieszka Sierpowska-Bartosik, Diego F. Torres

The optical depth of the Universe for ultra-high energy cosmic ray scattering in the magnetized large scale structure

Authors: Kumiko Kotera, Martin Lemoine (IAP)

Senenmut: An Ancient Egyptian Astronomer

Authors: Bojan Novakovic

tipa -- 1/9/2008

Faint arc-minute extended radio emission around Cygnus X-3

Authors: J. R. Sanchez-Sutil, J. Marti, J. A. Combi, P. Luque-Escamilla, A. J. Munoz-Arjonilla, J. M. Paredes, G. Pooley

Isolated X-ray -- infrared sources in the region of interaction of the supernova remnant IC 443 with a molecular cloud

Authors: A. M. Bykov, A. M. Krassilchtchikov, Yu. A. Uvarov (Ioffe Inst., St.Petersburg), H. Bloemen (SRON, Utrecht), F. Bocchino (INAF, Palermo), G. M. Dubner, E. B. Giacani (IAFE, Buenos Aires), G. G. Pavlov (Penn. State Univ.)

The diffuse GeV-TeV $\gamma$-ray emission of the Cygnus region

Authors: X. J. Bi, T. L. Chen, Y. Wang, Q. Yuan

tipa -- 1/8/2008

Prompt Shocks in the Gas Disk Around a Recoiling Supermassive Black Hole Binary

Authors: Zoltan Lippai (1), Zsolt Frei (1), Zoltan Haiman (2) ((1) Inst. of Physics, Eotvos University, Budapest, Hungary, (2) Dept. of Astronomy, Columbia University, New York, NY)

Non-thermal X-rays from the Ophiuchus cluster and dark matter annihilation

Authors: Stefano Profumo (UC Santa Cruz)

Could the Ultra Metal-poor Stars be Chemically Peculiar and Not Related to the First Stars?

Authors: K.A. Venn, D.L. Lambert

Possible signature of hypernova nucleosynthesis in a beryllium rich halo dwarf

Authors: R. Smiljanic (1,2), L. Pasquini (2), F. Primas (2), P. Mazzali (3,4), D. Galli (5), G. Valle (6) ((1) Universidade de Sao Paulo - Brazil, (2) ESO - Germany, (3) Max-Planck Institut fur Astrophysik - Germany, (4) Osservatorio Astronomico de Trieste - Italy, (5) Osservatorio Astrofisico di Arcetri - Italy, (6) Universita di Pisa - Italy)

An evolution of the IR-Radio correlation at very low flux densities?

Authors: R. J. Beswick, T. W. B. Muxlow, H. Thrall, A. M. S. Richards, S. T. Garrington (Jodrell Bank Centre for Astrophysics, The University of Manchester)

Asymmetry in Supernova Explosions from Late-Time Spectroscopy

Authors: Keiichi Maeda, Koji Kawabata, Paolo A. Mazzali, Masaomi Tanaka, Stefano Valenti, Ken'ichi Nomoto, Takashi Hattori, Jinsong Deng, Elena Pian, Stefan Taubenberger, Masanori Iye, Thomas Matheson, Alexei V. Filippenko, Kentaro Aoki, George Kosugi, Youichi Ohyama, Toshiyuki Sasaki, Tadafumi Takata

Novae as a Class of Transient X-ray Sources

Authors: K. Mukai (1,2), M. Orio (3,4,5), M. Della Valle (5,6) ((1)NASA/GSFC/CRESST (2) UMBC (3) University of Wisconsin (4)INAF - Osservatorio Astronomico di Padova (5) Kavli Institute of Theoretical Physics, UC Santa Barbara (6) INAF - Osservatorio Astrofisico di Arcetri)

Search for Matter-Dependent Atmospheric Neutrino Oscillations in Super-Kamiokande