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)

tipa -- 2/16/2007

Multiwavelength appearance of Vela Jr.: Is it up to expectations?

• Authors: A.F. Iyudin, B. Aschenbach, V. Burwitz, K. Dennerl, M. Freyberg, F. Haberl, M. Filipovic

An XMM-Newton view of M101 - III. Diffuse X-ray emission

• Authors: R.S. Warwick (1), L.P. Jenkins (1,2), A.M. Read (1), T.P. Roberts (1,3), R.A. Owen (1) ((1) University of Leicester, (2) NASA Goddard Space Flight Center, (3) Durham University)

Dark Matter in Nuclear Physics

• Authors: George Fuller (UCSD), Andrew Hime (LANL), Reyco Henning (UNC), Darin Kinion (LLNL), Spencer Klein (LBNL), Stefano Profumo (Caltech) Michael Ramsey-Musolf (Caltech/UW Madison), Robert Stokstad (LBNL)

tipa -- 2/15/2007

A Common Explosion Mechanism for Type Ia Supernovae

• Authors: P. A. Mazzali, F. K. Roepke, S. Benetti, W. Hillebrandt

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

• Authors: G. Chincarini, A. Moretti, P. Romano, A.D. Falcone, D. Morris, J. Racusin, S. Campana, C. Guidorzi, G. Tagliaferri, D.N. Burrows, C. Pagani, M. Stroh, D. Grupe, M. Capalbi, G. Cusumano, N. Gehrels, P. Giommi, V. La Parola, V. Mangano, T. Mineo, J.A. Nousek, P.T. O'Brien, K.L. Page, M. Perri, E. Troja, R. Willingale, B. Zhang

Confirming the gamma-ray burst spectral-energy correlations in the era of multiple time breaks

• Authors: G. Ghirlanda (1), L. Nava (1,2), G. Ghisellini (1), C. Firmani (1,3) ((1)INAF-Osservatorio Astronomico di Brera; (2)Univ. Insubria; (3)U.N.A.M. - Mexico)

How many supernovae are we missing at high redshift?

• Authors: F. Mannucci, M. Della Valle, N. Panagia

An Observational Limit on the Earliest GRBs

• Authors: Smadar Naoz, Omer Bromberg

Cosmic-ray composition and its relation to shock acceleration by supernova remnants

• Authors: Joerg R. Hoerandel

tipa -- 2/14/2007

The nature of the outflow in gamma-ray bursts

• Authors: P. Kumar, E. McMahon (University of Texas, Austin), A. Panaitescu (LANL), R. Willingale, P. O'Brien (Leicester), D. Burrows (Penn State), J. Cummings, N. Gehrels, S. Holland (NASA GSFC), S. B. Pandey (Mullard), D. Vanden Berk (Penn State), S. Zane (Mullard)

Angular Signatures of Dark Matter in the Diffuse Gamma Ray Spectrum

• Authors: Dan Hooper, Pasquale D. Serpico

Cosmic Deconstructionism

• Authors: Lawrence M. Krauss (1,2), Glenn D. Starkman (1) ((1) Case Western Reserve University, (2) Vanderbilt University)

Search for Pulsed VHE Gamma-Ray Emission from Young Pulsars with H.E.S.S

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

Constraints on Type Ib/c and GRB Progenitors

• Authors: C.L. Fryer, P.A. Mazzali, J. Prochaska, E. Cappellaro, A. Panaitescu, E. Berger, M. van Putten, E.P.J. van den Heuvel, P. Young, A. Hungerford, G. Rockefeller, S.-C. Yoon, P. Podsiadlowski, K. Nomoto, R. Chevalier, B. Schmidt, S. Kulkarni

tipa -- 2/13/2007

Constraints on accretion in Ultraluminous X-ray Sources from Spitzer IRS observations of NGC 4485/90: Infrared diagnostic diagrams

• Authors: Gerardo A. Vazquez, Ann E. Hornschemeier, Edward Colbert, Tymothy P. Roberts, Martin J. Ward, Sangeeta Malhotra

Generic Gravitational Wave Signals from the Collapse of Rotating Stellar Cores

• Authors: Harald Dimmelmeier, Christian D. Ott, Hans-Thomas Janka, Andreas Marek, Ewald Mueller

tipa -- 2/12/2007

GRB 050822: Detailed analysis of an XRF observed by Swift

• Authors: O. Godet, K.L. Page, J. Osborne, B. Zhang, D.N. Burrows, P.T. O'Brien, J. E. Hill, J. Racusin, A.P. Beardmore, M.R. Goad, A. Falcone, D.C. Morris, H. Ziaeepour

Search for neutrino-induced cascades from gamma-ray bursts with AMANDA

• Authors: IceCube Collaboration: A. Achterberg, et al

cpow -- 7

Revival of a stalled supernova shock by neutrino heating

• Bethe, H. A.; Wilson, J. R. (Cornell University, Ithaca, NY, California, University, Livermore)

An evolution free test for non-zero cosmological constant

• Alcock, C.; Paczynski, B.

On a Diffuse Reflection of the α-Particles

• H. Geiger; E. Marsden

tipa -- 2/9/2007

The dependence of Star Formation on Galaxy Stellar Mass

• Authors: Xian Zhong Zheng (1), Eric F. Bell (1), Casey Papovich (2), Christian Wolf (3), Klaus Meisenheimer (1), Hans-Walter Rix (1), George H. Rieke (2), Rachel Somerville (1) ((1) MPIA; (2) Steward Observatory; (3) University of Oxford)

The kinetic luminosity function and the jet production efficiency of growing black holes

• Authors: Sebastian Heinz, Andrea Merloni, Josiah Schwab

Swift observations of GRB 070110: an extraordinary X-ray afterglow powered by the central engine

• Authors: E. Troja, G. Cusumano, P. O'Brien, B. Zhang, B. Sbarufatti, V. Mangano, R. Willingale, G. Chincarini, J. P. Osborne, F. E. Marshall, D. N. Burrows, S. Campana, N. Gehrels, C. Guidorzi, H. A. Krimm, V. La Parola, E. W. Liang, T. Mineo, A. Moretti, K. L. Page, P. Romano, G. Tagliaferri, B. B. Zhang

Gravitational waves from relativistic neutron star mergers with nonzero-temperature equations of state

• Authors: R. Oechslin, H.-T. Janka (MPI for Astrophysics, Garching, Germany)

tipa -- 2/8/2007

Nucleosynthesis and Remnants in Massive Stars of Solar Metallicity

• Authors: S.E. Woosley (1), A. Heger (1,2) ((1)UCSC, (2)LANL)

The Most Massive Black Holes in the Universe: Effects of Mergers in Massive Galaxy Clusters

• Authors: Jaiyul Yoo, Jordi Miralda-Escude, David H. Weinberg, Zheng Zheng, Christopher W. Morgan

It's Never Too Late For Matter

• Authors: Lawrence M. Krauss (Case Western Reserve University and Vanderbilt University), Robert J. Scherrer (Vanderbilt University)

INTEGRAL and Magnetars

• Authors: D. Gotz, S. Mereghetti, K. Hurley, I.F. Mirabel, P. Esposito, A. Tiengo, G. Weidenspointner, A. von Kienlin

Upper limits on gravitational wave emission from 78 radio pulsars

• Authors: The LIGO Scientific Collaboration: B. Abbott, et al, M. Kramer, A. G. Lyne

tipa -- 2/7/2007

Formation & evolution of the Galactic bulge: constraints from stellar abundances

• Authors: Silvia K. Ballero, Francesca Matteucci, Livia Origlia, R. Michael Rich

Transport of positrons in the interstellar medium

• Authors: W. Gillard, P. Jean, A. Marcowith, K. Ferriere

An improved limit on the axion-photon coupling from the CAST experiment

• Authors: CAST Collaboration

The Bullet Cluster 1E0657-558 evidence shows Modified Gravity in the absence of Dark Matter

• Authors: J. R. Brownstein, J. W. Moffat

An Introduction to Loop Quantum Gravity Through Cosmology

• Authors: Abhay Ashtekar