tipa -- 9/20/2007

IGR J22517+2218=MG3 J225155+2217: a new gamma-ray lighthouse in the distant Universe

• Authors: L. Bassani, R. Landi, A. Malizia, M.T. Fiocchi, A. Bazzano, A. J. Bird, A. J. Dean, N. Gehrels, P. Giommi, P. Ubertini

Cosmic ray acceleration in subluminal and superluminal relativistic shock environments

• Authors: Athina Meli (1,2), Julia K. Becker (2), John J. Quenby (3) ((1) Physics Department, National University of Athens, Greece (2) Institut fuer Physik, Universitaet Dortmund, Germany (3) Blackett Laboratory, Imperial College London, UK)

Cosmic Ray Physics with ACORDE at LHC

• Authors: C. Pagliarone, A. Fernandez-Tellez

tipa -- 9/19/2007

Clustering properties of ultrahigh energy cosmic rays and the search for their astrophysical sources

• Authors: Alessandro Cuoco, Steen Hannestad, Troels Haugboelle, Michael Kachelriess, Pasquale D. Serpico

Freshly Formed Dust in the Cassiopeia A Supernova Remnant as Revealed by the Spitzer Space Telescope

• Authors: J. Rho, T. Kozasa, W. T. Reach, L. Rudnick, T. DeLaney, J. D. Smith, J. A. Ennis, H. Gomez, A. Tappe

The Orbital Period of the Wolf-Rayet Binary IC 10 X-1; Dynamic Evidence that the Compact Object is a Black Hole

• Authors: A. H. Prestwich, R. Kilgard, P. A. Crowther, S. Carpano, A. M. T. Pollock, A. Zezas, S. H. Saar, T. P. Roberts, M. J. Ward

tipa -- 9/18/2007

LBT Discovery of a Yellow Supergiant Eclipsing Binary in the Dwarf Galaxy Holmberg IX

• Authors: J. L. Prieto, K. Z. Stanek, C. S. Kochanek, D. R. Weisz, A. Baruffolo, J. Bechtold, V. Burwitz, C. DeSantis, S. Gallozzi, P. M. Garnavich, E. Giallongo, J. M. Hill, R. W. Pogge, R. Ragazzoni, R. Speziali, D. J. Thompson, R. M. Wagner

Neutrino Triggered Target of Opportunity (NToO) test run with AMANDA-II and MAGIC

• Authors: M. Ackermann, E. Bernardini, N. Galante, F. Goebel, M. Hayashida, K. Satalecka, M. Tluczykont, R.M. Wagner

tipa -- 9/17/2007

The birth place of the progenitor of the type Ic Supernova 2007gr

• Authors: R. Mark Crockett, Justyn R. Maund, Stephen J. Smartt, Seppo Mattila, Andrea Pastorello, Jonathan Smoker, Andrew W. Stevens, Johan Fynbo, John J. Eldridge, I. John Danziger, Christopher R. Benn

Gamma-Rays from Decaying Dark Matter

• Authors: Gianfranco Bertone (IAP), Wilfried Buchmuller, Laura Covi, Alejandro Ibarra (DESY)

Extra dimensions, orthopositronium decay, and stellar cooling

• Authors: Alexander Friedland, Maurizio Giannotti

classic papers of the week -- 38

Discovery of a pulsar in a binary system

• Hulse, R. A.; Taylor, J. H. (Department of Physics and Astronomy, University of Massachusetts, Amherst)

Resonant Neutrino Oscillations and the Neutrino Signature of Supernovae

• Terry P. Walker (Fermilab) , David N. Schramm (Chicago U., Astron. Astrophys. Ctr. & Fermilab)

Quantized space-time

• Hartland S. Snyder (Department of Physics, Northwestern University)

tipa -- 9/14/2007

Cherenkov Telescope Array: The next-generation ground-based gamma-ray observatory

• Authors: G. Hermann, W. Hofmann, T. Schweizer, M. Teshima, for the CTA consortium

tipa -- 9/13/2007

CGRaBS: An All-Sky Survey of Gamma-Ray Blazar Candidates

• Authors: Stephen E. Healey, Roger W. Romani, Garret Cotter, Peter F. Michelson, Edward F. Schlafly, Anthony C. S. Readhead, Paolo Giommi, Sylvain Chaty, Isabelle A. Grenier, Lawrence C. Weintraub

tipa -- 9/12/2007

Hypervelocity Stars III. The Space Density and Ejection History of Main Sequence Stars from the Galactic Center

• Authors: Warren R. Brown (1), Margaret J. Geller (1), Scott J. Kenyon (1), Michael J. Kurtz (1), Benjamin C. Bromley (2) ((1) Smithsonian Astrophysical Observatory (2) University of Utah)

Constraints on Circumstellar Material Around the Type Ia Supernova 2007af

• Authors: Joshua D. Simon (Caltech), Avishay Gal-Yam (Caltech, Weizmann Institute), Bryan E. Penprase (Pomona), Weidong Li (UC Berkeley), Robert M. Quimby (Texas), Jeffrey M. Silverman (UC Berkeley), Carlos Allende Prieto, J. Craig Wheeler (Texas), Alexei V. Filippenko (UC Berkeley), Irene T. Martinez, Daniel J. Beeler (Pomona), Ferdinando Patat (ESO)

Compact Stars as Dark Matter Probes

• Authors: Gianfranco Bertone (IAP), Malcolm Fairbairn (CERN)

The Luminous and Carbon-Rich Supernova 2006gz: A Double Degenerate Merger?

• Authors: M. Hicken, P. M. Garnavich, J. L. Prieto, S. Blondin, D. L. DePoy, R. P. Kirshner, J. Parrent

The Most Dark Matter Dominated Galaxies: Predicted Gamma-ray Signals from the Faintest Milky Way Dwarfs

• Authors: Louis E. Strigari, Savvas M. Koushiappas, James S. Bullock, Manoj Kaplinghat, Joshua D. Simon, Marla Geha, Beth Willman

Suzaku Detection of Extended/Diffuse Hard X-Ray Emission from the Galactic Center

• Authors: Takayuki Yuasa, Ken-ichi Tamura, Kazuhiro Nakazawa, Motohide Kokubun, Kazuo Makishima, Aya Bamba, Yoshitomo Maeda, Tadayuki Takahashi, Ken Ebisawa, Atsushi Senda, Yoshiaki Hyodo, Takeshi Go Tsuru, Katsuji Koyama, Shigeo Yamauchi, Hiromitsu Takahashi

Discovery of Very High Energy Gamma-Rays from the Distant Flat Spectrum Radio Quasar 3C 279 with the MAGIC Telescope

• Authors: Masahiro Teshima, Elisa Prandini, Rudolf Bock, Manel Errando, Daniel Kranich, Pratik Majumdar, Daniel Mazin, Elina Lindfors, Eckart Lorenz, Mose Mariotti, Villi Scalzotto, Robert Wagner (for the MAGIC Collaboration)

tipa -- 9/11/2007

Hypervelocity Stars from the Andromeda Galaxy

• Authors: Blake D. Sherwin, Abraham Loeb, Ryan M. O'Leary

Magnetowave Induced Plasma Wakefield Acceleration for Ultra High Energy Cosmic Rays

• Authors: Feng-Yin Chang, Pisin Chen, Guey-Lin Lin, Kevin Reil, Richard Sydora

CANGAROO-III Search for Gamma Rays from SN 1987A and the Surrounding Field

• Authors: R. Enomoto, et al (CANGAROO-III collaboration)

Density Dependence of the Mass Function of Globular Star Clusters in the Sombrero Galaxy and its Dynamical Implications

• Authors: Rupali Chandar, S. Michael Fall, Dean E. McLaughlin

Tau neutrino search with the MAGIC telescope

• Authors: M. Gaug, C. Hsu, J. K. Becker, A. Biland, M. Mariotti, W. Rhode, M. Teshima

tipa -- 9/10/2007

Measuring AGN Feedback with the Sunyaev-Zel'dovich Effect

• Authors: Evan Scannapieco, Robert J. Thacker, H. M. P. Couchman

classic papers of the week -- 37

A hypothesis, unifying the structure and the entropy of the Universe

• Zeldovich, Yaa B.

Observation of a Rapidly Pulsating Radio Source

• Hewish, A.; Bell, S. J.; Pilkington, J. D.; Scott, P. F.; Collins, R. A.

tipa -- 9/7/2007

Sky in Google Earth: The Next Frontier in Astronomical Data Discovery and Visualization

• Authors: Ryan Scranton, Andrew Connolly, Simon Krughoff, Jeremy Brewer, Alberto Conti, Carol Christian, Craig Sosin, Greg Coombe, Paul Heckbert

Comment on 'Discreteness Effects in Simulations of Hot/Warm Dark Matter' by J. Wang & S.D.M. White

• Authors: Adrian L. Melott (University of Kansas)

Predictions for the Cosmogenic Neutrino Flux in Light of New Data from the Pierre Auger Observatory

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

Not Only Because of Theory: Dyson, Eddington and the Competing Myths of the 1919 Eclipse Expedition

• Authors: Daniel Kennefick

tipa -- 9/6/2007

Starburst Intensity Limit of Galaxies at z~5-6

• Authors: N. P. Hathi, S. Malhotra, J. E. Rhoads

Implications of very rapid TeV variability in blazars

• Authors: Mitchell C. Begelman, Andrew C. Fabian, Martin J. Rees

Strong size evolution of the most massive galaxies since z~2

• Authors: Ignacio Trujillo, Christopher J. Conselice, Kevin Bundy, M. C. Cooper, P. Eisenhardt, Richard S. Ellis

White Paper on the Status and Future of Ground-based Gamma-ray Astronomy

• Authors: H. Krawczynski (1), J. Buckley (1), K. Byrum (2), C. Dermer (3), B. Dingus (4), A. Falcone (5), P. Kaaret (6), F. Krennrich (7), M. Pohl (7), V. Vassiliev (8), D. A. Williams (9) for the White Paper Team ((1) Wash. Univ. St. Louis, (2) ANL, (3) NRL, (4) LANL, (5) Penn State, (6) Univ. of Iowa, (7) ISU, (8) UCLA, (9) UCSD)

tipa -- 9/5/2007

SN 2005ap: A Most Brilliant Explosion

• Authors: Robert M. Quimby, Greg Aldering, J. Craig Wheeler, Peter Höflich, Carl W. Akerlof, Eli S. Rykoff

An Unexpectedly Swift Rise in the Gamma-ray Burst Rate

• Authors: Matthew D. Kistler, Hasan Yuksel, John F. Beacom, Krzysztof Z. Stanek (Ohio State University)

Neutrino-Induced Gamma-Ray Emission from Supernovae

• Authors: Yu Lu, Yong-Zhong Qian

tipa -- 9/4/2007

Searching for Inflation in Simple String Theory Models: An Astrophysical Perspective

• Authors: Mark P. Hertzberg (MIT), Max Tegmark (MIT), Shamit Kachru (Stanford), Jessie Shelton (Rutgers), Onur Ozcan (MIT)

GRB060602B = Swift J1749.4-2807: an unusual transiently accreting neutron-star X-ray binary

• Authors: Rudy Wijnands, Evert Rol, Ed M. Cackett, Rhaana L.C. Starling, Ron A. Remillard

Star Formation in Bulges from GALEX

• Authors: Sukyoung K. Yi

tipa -- 9/3/2007

CMB Cluster Lensing: Cosmography with the Longest Lever Arm

• Authors: Wayne Hu (KICP, U Chicago), Daniel E. Holz (LANL), Chris Vale (FNAL)

Anticipating a New Golden Age

• Authors: Frank Wilczek

Fundamental Constants

• Authors: Frank Wilczek

classic papers of the week -- 36

Fluctuations at the threshold of classical cosmology

• Harrison, E. R. (Department of Physics and Astronomy, University of Massachusetts)

On the Recombination of Electrons and Positrons

• Fermi, Enrico; Uhlenbeck, George E. (Department of Physics, University of Michigan)

tipa -- 8/31/2007

A Search for Binary Stars at Low Metallicity

• Authors: David K. Lai (UCSC), Sara Lucatello (INAF-OAPD), Michael Bolte (UCSC), Debra A. Fischer (SFSU), Jennifer A. Johnson (OSU)

Equation of state at high densities and modern compact star observations

• Authors: D. Blaschke, T. Klahn, F. Sandin

tipa -- 8/30/2007

The nature of GRB-selected submillimeter galaxies: hot and young

• Authors: M. J. Michałowski, J. Hjorth, J. M. Castro Cerón, D. Watson (Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Denmark)

A Deep Chandra Observation of Kepler's Supernova Remnant: A Type Ia Event with Circumstellar Interaction

• Authors: S. P. Reynolds, K. J. Borkowski, U. Hwang, J. P. Hughes, C. Badenes, J. M. Laming, J. M. Blondin

tipa -- 8/29/2007

Upper limit for circumstellar gas around the Type Ia SN 2000cx

• Authors: F. Patat, S. Benetti, S. Justham, P. A. Mazzali, L. Pasquini, E. Cappellaro, M. Della Valle, Ph. Podsiadlowski, M. Turatto, A. Gal-Yam, J. D. Simon

Radio Detection of Neutrinos from Behind a Mountain

• Authors: O. Brusova, L. Anchordoqui, T. Huege, K. Martens