tipa -- 7/24/2007

Detecting Early Galaxies Through Their 21-cm Signature

• Authors: Smadar Naoz (1), Rennan Barkana (1) ((1) Tel Aviv University)

Moon Shadow by Cosmic Rays under the Influence of Geomagnetic Field and Search for Antiprotons at Multi-TeV Energies

• Authors: The Tibet AS Gamma Collaboration: M. Amenomori, et al

tipa -- 7/23/2007

Mixing in massive stellar mergers

• Authors: E. Gaburov (1 and 2), J. C. Lombardi (3), S. Portegies Zwart (1 and 2) ((1) Astronomical Institute 'Anton Pannekoek' University of Amsterdam, the Netherlands, (2) Section Computational Science, University of Amsterdam, the Netherlands, (3) Department of Physics, Allegheny College, USA)

The Dark Side of ROTSE-III Prompt GRB Observations

• Authors: S. A. Yost, F. Aharonian, C. W. Akerlof, M. C. B. Ashley, S. Barthelmy, N. Gehrels, E. Gogus, T. Guver, D. Horns, U. Kiziloglu, H. A. Krimm, T. A. McKay, M. Ozel, A. Phillips, R. M. Quimby, G. Rowell, W. Rujopakarn, E. S. Rykoff, B. E. Schaefer, D. A. Smith, H. F. Swan, W. T. Vestrand, J. C. Wheeler, J. Wren, F. Yuan

The Continuing Saga of the Explosive Event(s) in the M87 Jet: Is M87 a Blazar?

• Authors: D. E. Harris, (SAO), C. C. Cheung, L. Stawarz (KIPAC, Stanford U.), J. A. Biretta, W. Sparks (STScI), E. S. Perlman (Florida Inst. Tech.), A. S. Wilson (U. Maryland)

classic papers of the week -- 30

The origin of binary systems

• Jeans, J. H.

Motion of the Moon

• W. B. Gibbs

Example of Anticascade (Ξ¯+) Particle Production in p¯-p Interactions at 3.0 Gev/c

• unknown (Laboratoire de Physique, Ecole Polytechnique, Paris, France)

tipa -- 7/20/2007

Detection of circumstellar material in a normal Type Ia Supernova

• Authors: F. Patat, P. Chandra, R. Chevalier, S. Justham, Ph. Podsiadlowski, C. Wolf, A. Gal-Yam, L. Pasquini, I.A. Crawford, P.A. Mazzali, A.W.A. Pauldrach, K. Nomoto, S. Benetti, E. Cappellaro, N. Elias-Rosa, W. Hillebrandt, D.C. Leonard, A. Pastorello, A. Renzini, F. Sabbadin, J.D. Simon, M. Turatto

Very high energy observations of the BL Lac objects 3C 66A and OJ 287

• Authors: T. Lindner, D.S. Hanna, J. Kildea, J.Ball, D.A. Bramel, J. Carson, C.E. Covault, D. Driscoll, P. Fortin, D.M. Gingrich, A. Jarvis, C. Mueller, R. Mukherjee, R.A. Ong, K. Ragan, R.A. Scalzo, D.A. Williams, J. Zweerink

Multiwavelength Monitoring of the Unusual Ultraluminous Supernova SN 1978K in NGC 1313 and the Search for an Associated Gamma-Ray Burst

• Authors: I. A. Smith, S. D. Ryder, M. Boettcher, S. J. Tingay, A. Stacy, M. Pakull, E. P. Liang

tipa -- 7/19/2007

A New Constraint on the Escape Fraction in Distant Galaxies Using Gamma-ray Burst Afterglow Spectroscopy

• Authors: Hsiao-Wen Chen (U Chicago), Jason X. Prochaska (UCO/Lick Observatory), Nickolay Y. Gnedin (Fermi Lab)

The UHECR spectrum measured at the Pierre Auger Observatory and its astrophysical implications

• Authors: T.Yamamoto, for the Pierre Auger Collaboration

tipa -- 7/18/2007

Evidence for a Long-Standing Top-Heavy IMF in the Central Parsec of the Galaxy

• Authors: H. Maness, F. Martins, S. Trippe, R. Genzel, J. R. Graham, C. Sheehy, M. Salaris, S. Gillessen, T. Alexander, T. Paumard, T. Ott, R. Abuter, F. Eisenhauer

Red Density Perturbations and Inflationary Gravitational Waves

• Authors: Luca Pagano, Asantha Cooray, Alessandro Melchiorri, Marc Kamionkowski

tipa -- 7/17/2007

UV Luminosity Functions at z~4, 5, and 6 from the HUDF and other Deep HST ACS Fields: Evolution and Star Formation History

• Authors: Rychard J. Bouwens (UCSC), Garth D. Illingworth (UCSC), Marijn Franx (Leiden), Holland Ford (JHU)

Cosmic Ray production of Beryllium and Boron at high redshift

• Authors: Emmanuel Rollinde, David Maurin, Elisabeth Vangioni, Keith A. Olive, Susumu Inoue

Detection of $1.6\times 10^{10}$ M$_\odot$ of molecular gas in the host galaxy of the $z=5.77$ SDSS quasar J0927+2001

• Authors: C. Carilli (NRAO), R. Neri (IRAM), R. Wang (NRAO/PU), P. Cox (IRAM), F. Bertoldi (Bonn U.), F. Walter (MPIA), X. Fan (Arizona), K. Menten (MPIfR), J. Wagg (NRAO), R. Maiolino (Arcetri), A. Omont (IAP), M. Strauss (Princeton), D. Riechers (MPIA), K.Y. Lo (NRAO), A. Bolatto (Berkely), N.Scoville (Caltech)

tipa -- 7/16/2007

Hypervelocity binary stars: smoking gun of massive binary black holes

• Authors: Youjun Lu, Qingjuan Yu, D.N.C. Lin

A Catalog of Diffuse X-ray-Emitting Features within 20 pc of Sgr A*: Twenty Pulsar Wind Nebulae?

• Authors: M. P. Muno (Caltech), F. K. Baganoff (MIT), W. N. Brandt (Penn State), M. R. Morris (UCLA), J.-L. Starck (CEA Saclay)

INTEGRAL-ISGRI observations of the CygOB2 region: earching for hard X-ray point sources in a region containing several non-thermal emitting massive stars

• Authors: M. De Becker, G. Rauw, J. M. Pittard, H. Sana, I. R. Stevens, G. E. Romero

Suppression of H_2 Cooling in the Ultraviolet Background

• Authors: John H. Wise, Tom Abel (KIPAC, Stanford)

Collective neutrino flavor transitions in supernovae and the role of trajectory averaging

• Authors: G.L.Fogli, E.Lisi, A.Marrone (Bari U. & INFN, Bari), A.Mirizzi (Munich, Max Planck Institut & Bari U. & INFN, Bari)

classic papers of the week -- 29

On the Synthesis of Elements at Very High Temperatures

• Wagoner, Robert V.; Fowler, William A.; Hoyle, F.

Observation of TeV gamma rays from the Crab nebula using the atmospheric Cerenkov imaging technique

• Weekes, T. C.; Cawley, M. F.; Fegan, D. J.; Gibbs, K. G.; Hillas, A. M.; Kowk, P. W.; Lamb, R. C.; Lewis, D. A.; Macomb, D.; Porter, N. A.; Reynolds, P. T.; Vacanti, G.

Astronomical Research with the Large Space Telescope

• Spitzer, Lyman, Jr.

tipa -- 7/13/2007

On the formation of TeV radiation in LS 5039

• Authors: Dmitry Khangulyan, Felix Aharonian, Valenti Bosch-Ramon

Simulating cosmic rays in clusters of galaxies - III. Non-thermal scaling relations and comparison to observations

• Authors: Christoph Pfrommer (CITA)

Gamma-ray absorption in the microquasar SS433

• Authors: Matias M. Reynoso, Hugo R. Christiansen, Gustavo E. Romero

tipa -- 7/12/2007

The Next Geminga: Search for Radio and X-ray Pulsations from the Neutron Star Identified with 3EG J1835+5918

• Authors: J.P. Halpern, F. Camilo, E.V. Gotthelf

The Reionization and Galaxy Evolution Probed by z=7 Lyman Alpha Emitters

• Authors: Kazuaki Ota, Masanori Iye, Nobunari Kashikawa, Kazuhiro Shimasaku, Masakazu A.R. Kobayashi, Tomonori Totani, Masahiro Nagashima, Tomoki Morokuma, Hisanori Furusawa, Takashi Hattori, Yuichi Matsuda, Tetsuya Hashimoto, Masami Ouchi

tipa -- 7/11/2007

Evidence for short-lived SN Ia progenitors

• Authors: Eric Aubourg (APC/Princeton), Rita Tojeiro (Edinburgh), Raul Jimenez (Penn/Princeton), Alan F. Heavens (Edinburgh), Michael A. Strauss (Princeton), David N. Spergel (Princeton)

Gravitational Wave Recoil and the Retention of Intermediate Mass Black Holes

• Authors: Kelly Holley-Bockelmann, Kayhan Gultekin, Deirdre Shoemaker, Nico Yunes

On the Distance and Molecular Environment of Westerlund 2 and HESS J1023-575

• Authors: T. M. Dame

Population III stars: hidden or disappeared ?

• Authors: L. Tornatore, A. Ferrara, R. Schneider

tipa -- 7/10/2007

The Effect of Binarity on Stellar Rotation - Beyond the Reach of Tides

• Authors: S. Meibom, R. D. Mathieu, K. G. Stassun

The Unpredictability of the Most Energetic Solar Events

• Authors: Hugh S. Hudson

High energy neutrino early afterglows gamma-ray bursts revisited

• Authors: Kohta Murase

No light shining through a wall

• Authors: Cecile Robilliard, Remy Battesti, Mathilde Fouche, Julien Mauchain, Anne-Marie Sautivet, Francois Amiranoff, Carlo Rizzo

tipa -- 7/9/2007

Cosmic-Ray Heating of Molecular Gas in the Nuclear Disk: Low Star Formation Efficiency

• Authors: F. Yusef-Zadeh, M. Wardle, S. Roy

VLT observations of the Central Compact Object in the Vela Jr. supernova remnant

• Authors: R. P. Mignani (UCL-MSSL), A. De Luca (INAF-Iasf), S. Zaggia (INAF-Oap), D. Sester, A. Pellizzoni, S. Mereghetti, P. A. Caraveo (IASF-Inaf)

A three-dimensional deflagration model for Type Ia supernovae confronted with observations

• Authors: F. K. Roepke, W. Hillebrandt, W. Schmidt, J. C. Niemeyer, S. I. Blinnikov, P. A. Mazzali

classic papers of the week -- 28

A new basis for cosmology

• Paul A.M. Dirac (St. John’s College, Cambridge)

Fact and fancy in neutrino physics

• A. De Rujula, Howard Georgi, S.L. Glashow, Helen R. Quinn (Harvard U.)

tipa -- 7/6/2007

Characterizing Supernova Progenitors via the Metallicities of their Host Galaxies, from Poor Dwarfs to Rich Spirals

• Authors: Jose L. Prieto, Krzysztof Z. Stanek, John F. Beacom (Ohio State)

HESS J1616-508: likely powered by PSR J1617-5055

• Authors: R. Landi, A. De Rosa, A.J. Dean, L. Bassani, P. Ubertini, A.J. Bird

tipa -- 7/5/2007

The Galactic Deuterium Abundance and Dust Depletion: Insights From an Expanded Ti/H Sample

• Authors: Sara L. Ellison, Jason X. Prochaska, Sebastian Lopez

The Distance to SS433/W50 and its Interaction with the ISM

• Authors: Felix J. Lockman, Katherine M. Blundell, W. M. Goss

High Energy neutrino signals from the Epoch of Reionization

• Authors: F. Iocco, K. Murase, S. Nagataki, P.D. Serpico

j4ipa -- 7/4/2007

Supernovae in the Subaru Deep Field: An Initial Sample, and Type Ia Rate, out to Redshift 1.6

• Authors: Dovi Poznanski, Dan Maoz, Naoki Yasuda, Ryan J. Foley, Mamoru Doi, Alexei V. Filippenko, Masataka Fukugita, Avishay Gal-Yam, Buell T. Jannuzi, Tomoki Morokuma, Takeshi Oda, Heidi Schweiker, Keren Sharon, Jeffrey M. Silverman, Tomonori Totani

On the onset of runaway stellar collisions in dense star clusters I. Dynamics of the first collision

• Authors: E. Gaburov, A. Gualandris, S. Portegies Zwart

The primary cosmic ray spectrum in supernova remnants from very high energy gamma-ray data

• Authors: F.L. Villante, F. Vissani

tipa -- 7/3/2007

The Spatial Structure of An Accretion Disk

• Authors: Shawn Poindexter, Nicholas Morgan, Christopher S. Kochanek (Department of Astronomy, The Ohio State University)

Neutrino Constraints on the Dark Matter Total Annihilation Cross Section

• Authors: Hasan Yuksel (Ohio State U.), Shunsaku Horiuchi (Tokyo University), John F. Beacom (Ohio State U.), Shin'ichiro Ando (Caltech)

Neutrino Mass Hierarchy and Stepwise Spectral Swapping of Supernova Neutrino Flavors

• Authors: Huaiyu Duan (UCSD), George M. Fuller (UCSD), J. Carlson (LANL), Yong-Qian Zhong (UMN)

Model-independent dark matter annihilation bound from the diffuse gamma ray flux

• Authors: M. Kachelriess, P.D. Serpico

tipa -- 7/2/2007

Systematic search for VHE gamma-ray emission from X-ray bright high-frequency BL Lac objects

• Authors: Albert, et al. (MAGIC collaboration)

Discovery of Very High Energy gamma-rays from 1ES1011+496 at z=0.212

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

Fossil AGN jets as ultra high energy particle accelerators

• Authors: Gregory Benford, R.J. Protheroe

Diffuse Gamma-ray Emission from the Galactic Center - A Multiple Energy Injection Model

• Authors: K. S. Cheng, D. O. Chernyshov, V. A. Dogiel