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.

tipa -- 2/23/2007

Neutrino Spectrum from SN 1987A and from Cosmic Supernovae

• Authors: Hasan Yuksel, John F. Beacom (Ohio State University)

GRB 060714: No Clear Dividing Line Between Prompt Emission and X-ray Flares

• Authors: H. A. Krimm, J. Granot, F. Marshal, M. Perri, S. D. Barthelmy, D. N. Burrows, N. Gehrels, P. Mészáros, D. Morris

Adaptive Optics Discovery of a Supernova in the Nuclear Regions of the Luminous Infrared Galaxy IRAS 18293-3413

• Authors: S. Mattila, P. Vaisanen, D. Farrah, A. Efstathiou, W.P.S. Meikle, T. Dahlen, C. Fransson, P. Lira, P. Lundqvist, G. Ostlin, S. Ryder, J. Sollerman

Exciting Dark Matter and the INTEGRAL/SPI 511 keV signal

• Authors: Douglas P. Finkbeiner (CfA), Neal Weiner (CCPP, NYU)

The Local Bubble and Interstellar Material Near the Sun

• Authors: P. C. Frisch

tipa -- 2/22/2007

Resolving the unresolved cosmic X-ray background in the Chandra Deep Fields

• Authors: Ryan C. Hickox, Maxim Markevitch (Harvard-Smithsonian Center for Astrophysics)

PEBS - Positron Electron Balloon Spectrometer

• Authors: P. von Doetinchem, H. Gast, T. Kirn, G. Roper Yearwood, S. Schael

Direct probes of Dark Matter in the cluster 1ES0657-556 through microwave observations

• Authors: S. Colafrancesco, P. de Bernardis, S. Masi, G. Polenta, P. Ullio

Dynamical Formation of X-ray binaries in the inner bulge of M31

• Authors: Rasmus Voss (MPA), Marat Gilfanov (MPA)

tipa -- 2/21/2007

Spatial distribution of interstellar gas in the innermost 3 kpc of our Galaxy

• Authors: Katia Ferriere, William Gillard, Pierre Jean

The optical and X-ray afterglows of gamma-ray bursts do not probe the same gas: ionisation in GRB environments

• Authors: D. Watson, J. Hjorth, J. P. U. Fynbo (DARK, NBI, U. Copenhagen), P. Jakobsson (U. Herts.), S. Foley (UCD), R. A. M. J. Wijers (U. Amsterdam)

Simulations of Magnetically-Driven Supernova and Hypernova Explosions in the Context of Rapid Rotation

• Authors: Adam Burrows, Luc Dessart, Eli Livne, Christian D. Ott, Jeremiah Murphy

Binary star progenitors of long gamma-ray bursts

• Authors: M. Cantiello, S.-C. Yoon, N. Langer, M. Livio

Evidence for CP Violation in B0 -> D+D- Decays

• Authors: S. Fratina et al. (Belle collaboration)

tipa -- 2/20/2007

GRB060218: A Relativistic Supernova Shock Breakout

• Authors: E. Waxman, P. Meszaros, S. Campana

Pulse Width Evolution of Late Time X-rays Flares in GRBs: Evidence For Internal Shocks

• Authors: Daniel Kocevski, Nathaniel Butler, Joshua S. Bloom

GZK Photons in the Minimal Ultra High Energy Cosmic Rays Model

• Authors: Graciela Gelmini (UCLA), Oleg Kalashev (Moscow, INR), Dmitry V. Semikoz (APC, Paris & Moscow, INR)

The Connection between Gamma-Ray Bursts and Extremely Metal-Poor Stars: Black Hole-forming Supernovae with Relativistic Jets

• Authors: Nozomu Tominaga, Keiichi Maeda, Hideyuki Umeda, Ken'ichi Nomoto, Masaomi Tanaka, Nobuyuki Iwamoto, Tomoharu Suzuki, Paolo A. Mazzali

Very high energy gamma-ray observations during moonlight and twilight with the MAGIC telescope

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

Trans-Planckian wimpzillas

• Authors: E. W. Kolb, A. A. Starobinsky, I. I. Tkachev

tipa -- 2/19/2007

Radio observations of the CDF-South: a possible link between radio emission and star formation in X-ray selected AGN

• Authors: E. Rovilos (1, 2), A. Georgakakis (3), I. Georgantopoulos (1), J. Afonso (4), A. Koekemoer (5), B. Mobasher (5), C. Goudis (1, 2) ((1) Athens Observatory, (2) University of Patras, (3) Imperial College, (4) Lisbon, (5) STScI)

GRB Precursors in the Fallback Collapsar Scenario

• Authors: Xiang-Yu Wang, Peter Meszaros

Amplified radio emission from cosmic ray air showers in thunderstorms

• Authors: Stijn Buitink, for the LOPES collaboration

Charting the Course for Elementary Particle Physics

• Authors: Burton Richter

Lorentz violation and perpetual motion

• Authors: Christopher Eling, Brendan Z. Foster, Ted Jacobson, Aron C. Wall

cpow -- 8

Formation of Galaxies and Clusters of Galaxies by Self-Similar Gravitational Condensation

• Press, William H.; Schechter, Paul

Remarks on Super-Novae and Cosmic Rays

• Baade, W.; Zwicky, F. (Mt. Wilson Observatory and California Institute of Technology, Pasadena)

Anti-Neutrinos Astronomy And Geophysics

• Lawrence M. Krauss, Sheldon L. Glashow (Harvard U.) , David N. Schramm (Chicago U., Astron. Astrophys. Ctr. & Chicago U., EFI)