tipa -- 3/19/2007

Detection of extended very-high-energy gamma-ray emission towards the young stellar cluster Westerlund 2

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

Early afterglow detection in the Swift observations of GRB 050801

• Authors: Massimiliano De Pasquale, S. R. Oates, M.J.Page, D.N. Burrows, A.J.Blustin, S. Zane, K.O. Mason, P.W.A. Roming, D. Palmer, N. Gehrels, B. Zhang

classic papers of the week -- 12

Selection rules for the beta-disintegration

• G. Gamow, E. Teller (George Washington U.)

Radioactive Element 94 from Deuterons on Uranium

• Seaborg, G. T.; McMillan, E. M.; Kennedy, J. W.; Wahl, A. C. (Department of Chemistry, Radiation Laboratory, Department of Physics, University of California, Berkeley, California)

On the Relative Motion of the Earth and the Luminiferous Ether

• Albert A. Michelson, Edward W. Morley

tipa -- 3/16/2007

The Birthplaces of Gamma-Ray Bursts

• Authors: Patrick A. Young (1,2), Chris L. Fryer (3,4) ((1) Applied Physics, Los Alamos National Lab, (2) Steward Observatory, (3) CCS Division, Los Alamos National Lab, (4) Department of Physics, University of Arizona)

Delayed detonations in full-star models of Type Ia supernova explosions

• Authors: F. K. Roepke (MPA Garching and UC Santa Cruz), J. C. Niemeyer (U Wuerzburg)

A Search for Host Galaxies of 24 Gamma-Ray Bursts

• Authors: J.-E. Ovaldsen, A. O. Jaunsen, J. P. U. Fynbo, J. Hjorth, C. C. Thoene, C. Feron, D. Xu, J. H. Selj, J. Teuber

Non-Universal Spectra of Ultra-High Energy Cosmic Ray Primaries and Secondaries in a Structured Universe

• Authors: Guenter Sigl (APC and IAP, Paris)

Spatially resolved properties of the GRB 060505 host: implications for the nature of the progenitor

• Authors: Christina C. Thoene, Johan P. U. Fynbo, Goeran Oestlin, Bo Milvang-Jensen, Klaas Wiersema, Daniele Malesani, Desiree Della Monica Ferreira, Javier Gorosabel, D. Alexander Kann, Darach Watson, Michal J. Michalowski, Jens Hjorth, Andrew S. Fruchter, Jesper Sollerman

In situ radioglaciological measurements near Taylor Dome, Antarctica and implications for UHE neutrino astronomy

• Authors: D Besson, J. Jenkins, S. Matsuno, J. Nam, M. Smith

Type Ia Supernova Rates Near and Far

• Authors: Nino Panagia, Massimo Della Valle, Filippo Mannucci

tipa -- 3/15/2007

VLBA measurement of the transverse velocity of the magnetar XTE J1810-197

Authors: D. J. Helfand (1), S. Chatterjee (2), W. F. Brisken (3), F. Camilo (1), J. Reynolds (4), M. H. van Kerkwijk (5), J. P. Halpern (1), S. M. Ransom (3) ((1) Columbia U., (2) U. of Sydney, (3) NRAO, (4) ATNF, (5) U. of Toronto)

A New Type of Extremely Metal Poor Star

Authors: Judith G. Cohen, Andrew McWilliam, Norbert Christlieb, Stephen Shectman, Ian Thompson, Jorge Melendez, Lutz Wisotzki, Dieter Reimers

tipa -- 3/14/2007

Swift X-ray Observations of Classical Novae

• Authors: J.-U. Ness, G.J. Schwarz, A. Retter, S. Starrfield, J.H.M.M. Schmitt, N. Gehrels, D. Burrows, J.P. Osborne

Evolution of Collisionally Merged Massive Stars

• Authors: Takeru K. Suzuki (U.Tokyo), Naohito Nakasato (RIKEN), Holger Baumgardt (U.Bonn), Akihiro Ibukiyama (RIKEN), Junichiro Makino (NAOJ), Toshi Ebisuzaki (RIKEN)

The Observed properties of Dark Matter on small spatial scales

• Authors: Gerard Gilmore, Mark I. Wilkinson, Rosemary F.G. Wyse, Jan T. Kleyna, Andreas Koch, N. Wyn Evans

The Triple-Ring Nebula around SN1987A: Fingerprint of a binary merger

• Authors: T. Morris, Ph. Podsiadlowski

Are the Models for Type Ia Supernova Progenitors Consistent with the Properties of Supernova Remnants?

• Authors: Carles Badenes, John P. Hughes, Eduardo Bravo, Norbert Langer

Gamma ray bursts, supernovae and metallicity in the intergalactic medium

• Authors: Shlomo Dado, Arnon Dar, A. De Rujula

CP Violation in the SM, Quantum Subtleties and the Insights of Yogi Berra

• Authors: I.I. Bigi

tipa -- 3/13/2007

Nonthermal Synchrotron Radiation from Gamma Ray Burst External Shocks and the X-ray Flares Observed with Swift

• Authors: Charles D. Dermer

The speed of the `bullet' in the merging galaxy cluster 1E0657-56

• Authors: Volker Springel (MPA), Glennys Farrar (NYU)

Upper limit map of a background of gravitational waves

• Authors: The LIGO Scientific Collaboration: B. Abbott, et al

Impact of astrophysical processes on the gamma-ray background from dark matter annihilations

• Authors: Eun-Joo Ahn, Gianfranco Bertone, David Merritt, Pengjie Zhang

A 33 hour period for the Wolf-Rayet/black hole X-ray binary candidate NGC 300 X-1

• Authors: S. Carpano, A.M.T. Pollock, A. Prestwich, P. Crowther, J. Wilms, L. Yungelson, M. Ehle

tipa -- 3/12/2007

GRB 060505: A possible short-duration gamma-ray burst in a star forming region at redshift of 0.09

• Authors: E. O. Ofek, S. B. Cenko, A. Gal-Yam, D. B. Fox, E. Nakar, A. Rau, D. A. Frail, S. R. Kulkarni, P. A. Price, B. P. Schmidt, A. M. Soderberg, B. Peterson, E. Berger, K. Sharon, O. Shemmer, B. E. Penprase, R. A. Chevalier, P. J. Brown, D. N. Burrows, N. Gehrels, F. Harrison, S. T. Holland, V. Mangano, P. J. McCarthy, D.-S. Moon, J. A. Nousek, S. E. Persson, T. Piran, R. Sari

The Cluster-Merger Shock in 1E 0657-56: Faster than the Speeding Bullet?

• Authors: Milos Milosavljevic (1), Jun Koda (1), Daisuke Nagai (2), Ehud Nakar (2), Paul R. Shapiro (1) ((1) University of Texas at Austin, (2) Caltech)

Stellar and wind properties of massive stars in the central parsec of the Galaxy

• Authors: F. Martins (1), R. Genzel (1,2), D.J. Hillier (3), F. Eisenhauer (1), T. Paumard (1,4), S. Gillessen (1), T. Ott (1), S. Trippe (1) ((1) MPE Garching; (2) Berkeley; (3) Pittsburgh, (4) LESIA Paris)

Correlation of Photon and Neutrino Fluxes in Blazars and Gamma Ray Bursts

• Authors: C. Dermer, E. Ramirez-Ruiz, T. Le

classic papers of the week -- 11

The Origin of Chemical Elements

• Alpher, R. A. (Applied Physics Laboratory, The Johns Hopkins University); Bethe, H. (Cornell University); Gamow, G. (The George Washington University)

Very high-energy collisions of hadrons

• Richard P. Feynman (Caltech)

Oscar Klein and gauge theory

• David J. Gross (Princeton U.)

tipa -- 3/9/2007

Discovery of hot supergiant stars near the Galactic center

• Authors: Jon C. Mauerhan, Michael P. Muno, Mark Morris

Suzaku Observations of the Soft X-ray Background

• Authors: David B. Henley, Robin L. Shelton (University of Georgia)

tipa -- 3/8/2007

Spectral modelling of the high energy emission of the magnetar 4U 0142+614

• Authors: Nanda Rea (SRON/U.Sydney), Roberto Turolla (U.Padua), Silvia Zane (MSSL), Andrea Tramacere (U.Rome), Luigi Stella, Gianluca Israel (INAF-OAR), Riccardo Campana (U.Rome)

Gamma-Ray Burst Precursors as the Remnant of the Thermal Radiation Initially Trapped in the Fireball

• Authors: Li-Xin Li (MPA)

Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01

• Authors: AMS-01 Collaboration

Dust Echoes from the Ambient Medium of Gamma-Ray Bursts

• Authors: Kevin Heng, Davide Lazzati, Rosalba Perna

tipa -- 3/7/2007

Observation of the GZK Cutoff by the HiRes Experiment

• Authors: HiRes Collaboration

SN 2006aj Associated with XRF 060218 At Late Phases: Nucleosynthesis-Signature of A Neutron Star-Driven Explosion

• Authors: Keiichi Maeda, Koji Kawabata, Masaomi Tanaka, Ken'ichi Nomoto, Nozomu Tominaga, Takashi Hattori, Takeo Minezaki, Takami Kuroda, Tomoharu Suzuki, Jinsong Deng, Paolo A. Mazzali, Elena Pian

tipa -- 3/6/2007

Alignment of the spins of supermassive black holes prior to merger

• Authors: Tamara Bogdanovic, Christopher S. Reynolds, M. Coleman Miller (University of Maryland)

Discovery of very high energy gamma-ray emission from the low-frequency peaked BL Lac object BL Lacertae

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

tipa -- 3/5/2007

A new measure of Delta alpha/alpha at redshift z = 1.84 from very high resolution spectra of Q1101-264

• Authors: S.A. Levshakov, P. Molaro, S. Lopez, S. D'Odorico, M. Centurion, P. Bonifacio, I.I. Agafonova, D. Reimers

Neutrino mass from future high redshift galaxy surveys: sensitivity and detection threshold

• Authors: Steen Hannestad, Yvonne Y. Y. Wong

classic papers of the week -- 10

The Luminosity function and stellar evolution

• Edwin E. Salpeter

Neutrino Oscillations in Matter

• L. Wolfenstein (Carnegie Mellon U.)

Farther Experiments and Observations in Electricity

• Benjamin Franklin

tipa -- 3/2/2007

Behaviors of X-ray Dust-Scattering and Implications for X-ray Afterglows of Gamma-Ray Bursts

• Authors: L. Shao, Z. G. Dai (NJU)

Shredded Galaxies as the Source of Diffuse Intrahalo Light On Varying Scales

• Authors: Chris W. Purcell (UC Irvine), James S. Bullock (UC Irvine), Andrew R. Zentner (KICP, The University of Chicago)

High-energy neutrinos from astrophysical accelerators of cosmic ray nuclei

• Authors: Luis A. Anchordoqui, Dan Hooper, Subir Sarkar, Andrew M. Taylor

Measurement of EPR-type flavour entanglement in Upsilon(4S)->B0 B0bar decays

• Authors: A. Go, A. Bay, et al, The Belle Collaboration

tipa -- 3/1/2007

First limits on the 3-200 keV X-ray spectrum of the quiet Sun using RHESSI

• Authors: Iain G. Hannah, G. J Hurford, H. S. Hudson, R. P. Lin, K. van Bibber

Inclusive Search for New Physics with Like-Sign Dilepton Events in ppbar Collisions at sqrts = 1.96 TeV

• Authors: CDF collaboration

String Theory: Progress and Problems

• Authors: John H. Schwarz

tipa -- 2/28/2007

The Prompt Gamma-Ray and Afterglow Energies of Short-Duration Gamma-Ray Bursts

• Authors: E. Berger (Carnegie Observatories, Princeton)

Open issues with the gamma-ray burst redshift distribution

• Authors: David Coward

tipa -- 2/27/2007

The connection between Gamma-ray bursts and Supernovae Ib/c

• Authors: Elisabetta Bissaldi (1), Francesco Calura (2), Francesca Matteucci (2,3), Francesco Longo (1,4), Guido Barbiellini (1,4) (1: Dip. di Fisica, Universita' di Trieste; 2: INAF-Osservatorio Astronomico di Trieste; 3: Dip. di Astronomia, Universita' di Trieste; 4: INFN, sezione di Trieste)

Particle Acceleration in Supernova Remnants and the Production of Thermal and Nonthermal Radiation

• Authors: Donald C. Ellison, Daniel J. Patnaude, Patrick Slane, Pasquale Blasi, Stefano Gabici

Star formation in the Vela Molecular Ridge. Large scale mapping of cloud D in the mm continuum

• Authors: F. Massi (1), M. De Luca (2 and 3), D. Elia (4), T. Giannini (3), D. Lorenzetti (3), B. Nisini (3) ((1) INAF-Arcetri, (2) Universita' Tor Vergata, (3) INAF-OAR, (4) Universita' del Salento)

Galactic Sources of High Energy Neutrinos

• Authors: Felix Aharonian

Modeling atmospheric effects of the September 1859 Solar Flare

• Authors: Brian Thomas (Washburn Univ.), Charles Jackman (NASA GSFC), Adrian Melott (Univ. of Kansas)

tipa -- 2/26/2007

Variability of Young Massive Stars in the Galactic Super Star Cluster Westerlund 1

• Authors: Alceste Z. Bonanos (Carnegie Institution of Washington - DTM)

Discovery of Andromeda XIV: A Dwarf Spheroidal Dynamical Rogue in the Local Group?

• Authors: Steven R. Majewski, Rachael L. Beaton, Richard J. Patterson, Jasonjot S. Kalirai, Marla C. Geha, Ricardo R. Muñoz, Marc S. Seigar, Puragra Guhathakurta, James Bullock, R. Michael Rich, Karoline M. Gilbert, David B. Reitzel

The X-ray Hardness as an Internal/External Shock Diagnostic

• Authors: Nathaniel R. Butler, Daniel Kocevski

On the contribution of point sources to the Galactic ridge X-ray emission

• Authors: M.Revnivtsev (1,2), S. Sazonov (1,2) ((1)- MPA, Garching, Germany, (2) - IKI, Moscow, Russia)

Swift X-ray Afterglows: Where are the X-ray Jet Breaks?

• Authors: David N. Burrows, Judith Racusin

classic papers of the week -- SN 1987A

Supernova 1987A in the Large Magellanic Cloud

• Kunkel, W.; Madore, B.; Shelton, I.; Duhalde, O.; Bateson, F. M.; Jones, A.; Moreno, B.; Walker, S.; Garradd, G.; Warner, B.; Menzies, J.

Observation of a Neutrino Burst from the Supernova SN 1987a

• KAMIOKANDE-II Collaboration (K. Hirata et al.)

Observation of a Neutrino Burst in Coincidence with Supernova SN 1987a in the Large Magellanic Cloud

• R.M. Bionta et al.

SN 1987A - After the peak

• Woosley, S. E.