tipa -- 7/16/2010

Dark Matter Contraction and the Stellar Content of Massive Early-type Galaxies: Disfavoring "Light" Initial Mass Functions

• Authors: M. W. Auger (1), T. Treu (1), R. Gavazzi (2), A. S. Bolton (3), L. V. E. Koopmans (4), P. J. Marshall (5) ((1) UCSB, (2) IAP, (3) Utah, (4) Kapteyn, (5) SLAC)

Neutron Star Radius Measurement with the Quiescent Low-Mass X-ray Binary U24 in NGC 6397

• Authors: Sebastien Guillot, Robert E. Rutledge, Edward F. Brown

Pressure Support in Galaxy Disks: Impact on Rotation Curves and Dark Matter Density Profiles

• Authors: J. J. Dalcanton, A. Stilp

An Experimental Exploration of the QCD Phase Diagram: The Search for the Critical Point and the Onset of De-confinement

• Authors: STAR Collaboration

tipa -- 7/15/2010

The unusual X-ray emission of the short Swift GRB 090515: Evidence for the formation of a magnetar?

• Authors: A. Rowlinson, P.T. O'Brien, N.R. Tanvir, B. Zhang, P.A. Evans, N. Lyons, A.J. Levan, R. Willingale, K.L. Page, O. Onal, D.N. Burrows, A.P. Beardmore, T.N. Ukwatta, E. Berger, J. Hjorth, A.S. Fruchter, R.L. Tunnicliffe, D.B. Fox, A. Cucchiara

Introduction to Astronomy with Radioactivity

• Authors: Roland Diehl

The Connection Between Thermal and Non-Thermal Emission in Gamma-ray Bursts: General Considerations and GRB090902B as a Case Study

• Authors: Asaf Pe'er, Bin-Bin Zhang, Felix Ryde, Sinéad McGlynn, Bing Zhang, Robert D. Preece, Chryssa Kouveliotou

Radio sources with ultra-high polarisation

• Authors: H. Shi, H. Liang, J.L. Han, R.W. Hunstead

tipa -- 7/14/2010

HESS J1632-478: an energetic relic

• Authors: M. Balbo, P. Saouter, R. Walter, L. Pavan, A. Tramacere, M. Pohl, J.-A. Zurita-Heras

Binary Pulsar Constraints on the Parameterized post-Einsteinian Framework

• Authors: Nicolas Yunes, Scott A. Hughes

tipa -- 7/13/2010

Constraints on neutron star radii based on chiral effective field theory interactions

• Authors: K. Hebeler, J.M. Lattimer, C.J. Pethick, A. Schwenk

Non-linear diffusive acceleration of heavy nuclei in supernova remnant shocks

• Authors: D. Caprioli, P.Blasi, E. Amato

Tau neutrino and antineutrino cross sections

• Authors: Yu Seon Jeong, Mary Hall Reno (University of Iowa)

tipa -- 7/12/2010

Fermi Large Area Telescope Observations of Misaligned AGN

• Authors: Fermi-LAT Collaboration

Constraints on Small-Scale Structures of Dark Matter from Flux Anomalies in Quasar Gravitational Lenses

• Authors: R. Benton Metcalf, Adam Amara

UHECRs from magnetic reconnection in relativistic jets

• Authors: Dimitrios Giannios (Princeton University)

The Size Evolution of Passive Galaxies: Observations from the Wide Field Camera 3 Early Release Science Program

• Authors: R. E. Ryan Jr., P. J. McCarthy, S. H. Cohen, H. Yan, N. P. Hathi, A. M. Koekemoer, M. J. Rutkowski, M. R. Mechtley, R. A. Windhorst, R. W. O'Connell, B. Balick, H. E. Bond, H. Bushouse, D. Calzetti, R. M. Crockett, M. Disney, M. A. Dopita, J. A. Frogel, D. N. B. Hall, J. A. Holtzman, S. Kaviraj, R. A. Kimble, J. MacKenty, M. Mutchler, F. Paresce, A. Saha, J. I. Silk, J. Trauger, A. R. Walker, B. C. Whitmore, E. Young

classic papers of the week -- 157

Broken Symmetries

• Jeffrey Goldstone (Trinity College, Cambridge University); Abdus Salam, Steven Weinberg (Imperial College of Science and Technology, London, England)

Fluid dynamics of relativistic blast waves

• Blandford, R. D.; McKee, C. F. (University of California, Berkeley)

Quantal Phase Factors Accompanying Adiabatic Changes

• Berry, M. V. (H. H. Wills Physical Laboratory, University of Bristol)

tipa -- 7/9/2010

IceCube: An Instrument for Neutrino Astronomy

• Authors: Francis Halzen, Spencer R. Klein

Introducing the Fission-Fusion Reaction Process: Using a Laser-Accelerated Th Beam to produce Neutron-Rich Nuclei towards the N=126 Waiting Point of the r Process

• Authors: D. Habs, P.G. Thirolf, M. Gross, K. Allinger, J. Bin, A. Henig, D. Kiefer, W. Ma, J. Schreiber

tipa -- 7/8/2010

Observed Event Excess in the MiniBooNE Search for $\bar \nu_μ \rightarrow \bar \nu_e$ Oscillations

• Authors: The MiniBooNE Collaboration

A Radio-loud Magnetar in X-ray Quiescence

• Authors: Lina Levin, Matthew Bailes, Samuel Bates, N. D. Ramesh Bhat, Marta Burgay, Sarah Burke-Spolaor, Nichi D'Amico, Simon Johnston, Michael Keith, Michael Kramer, Sabrina Milia, Andrea Possenti, Nanda Rea, Ben Stappers, Willem van Straten

Evaluating Systematic Dependencies of Type Ia Supernovae: The Influence of Deflagration to Detonation Density

• Authors: Aaron P. Jackson (1), Alan C. Calder (1 and 2), Dean M. Townsley (3), David A. Chamulak (4 and 6), Edward F. Brown (5 and 6), F. X. Timmes (6 and 7) ((1) The State University of New York - Stony Brook, (2) New York Center for Computational Sciences, (3) The University of Alabama - Tuscaloosa, (4) Argonne National Laboratory, (5) Michigan State University - East Lansing, (6) The Joint Institute for Nuclear Astrophysics, (7) School of Earth and Space Exploration - Arizona State University)

Fermi LAT observations of the Geminga pulsar

• Authors: Fermi-LAT Collaboration: A. A. Abdo, et al.

A Consistent Dark Matter Interpretation For CoGeNT and DAMA/LIBRA

• Authors: Dan Hooper, J.I. Collar, Jeter Hall, Dan McKinsey

Magnetospheres of Black Hole Systems in Force-Free Plasma

• Authors: Carlos Palenzuela, Travis Garrett, Luis Lehner, Steven L.Liebling

tipa -- 7/7/2010

PAMELA results on the cosmic-ray antiproton flux from 60 MeV to 180 GeV in kinetic energy

• Authors: PAMELA Collaboration: O. Adriani, G. C. Barbarino, G. A. Bazilevskaya, R. Bellotti, M. Boezio, E. A. Bogomolov, L. Bonechi, M. Bongi, V. Bonvicini, S. Borisov, S. Bottai, A. Bruno, F. Cafagna, D. Campana, R. Carbone, P. Carlson, M. Casolino, G. Castellini, L. Consiglio, M. P. De Pascale, C. De Santis, N. De Simone, V. Di Felice, A. M. Galper, W. Gillard, L. Grishantseva, P. Hofverberg, G. Jerse, A. V. Karelin, S. V. Koldashov, S. Y. Krutkov, A. N. Kvashnin, A. Leonov, V. Malvezzi, L. Marcelli, A. G. Mayorov, W. Menn, V. V. Mikhailov, E. Mocchiutti, A. Monaco, N. Mori, N. Nikonov, G. Osteria, P. Papini, M. Pearce, P. Picozza, C. Pizzolotto, M. Ricci, S. B. Ricciarini, L. Rossetto, M. Simon, R. Sparvoli, P. Spillantini, Y. I. Stozhkov, A. Vacchi, E. Vannuccini, G. Vasilyev, S. A. Voronov, J. Wu, Y. T. Yurkin, G. Zampa, N. Zampa, V. G. Zverev

Supernovae Powered by Collapsar Accretion in Gamma-Ray Burst Sources

• Authors: Milos Milosavljevic, Christopher C. Lindner, Rongfeng Shen, Pawan Kumar

Direct Imaging of Bridged Twin Protoplanetary Disks in a Young Multiple Star

• Authors: Satoshi Mayama, Motohide Tamura, Tomoyuki Hanawa, Tomoaki Matsumoto, Miki Ishii, Tae-Soo Pyo, Hiroshi Suto, Takahiro Naoi, Tomoyuki Kudo, Jun Hashimoto, Shogo Nishiyama, Masayuki Kuzuhara, Masahiko Hayashi

On variations of the brightness of type Ia supernovae with the age of the host stellar population

• Authors: Brendan K. Krueger (1), Aaron P. Jackson (1), Dean M. Townsley (2), Alan C. Calder (1 and 3), Edward F. Brown (4), F. X. Timmes (5) ((1) The State University of New York - Stony Brook, (2) The University of Alabama, (3) New York Center for Computational Sciences, (4) Michigan State University, (5) Arizona State University)

tipa -- 7/6/2010

Measured Metallicities at the Sites of Stripped Core-Collapse Supernovae

• Authors: Maryam Modjaz (1), J. S. Bloom (1), A. V. Filippenko (1), L. Kewley (2), D. Perley (1), J. M. Silverman (1) ((1) UC Berkeley, (2) Hawaii)

Spectra of Type Ia Supernovae from Double Degenerate Mergers

• Authors: Chris L. Fryer, Ashley J. Ruiter, Krzysztof Belczynski, Peter J. Brown, Filomena Bufano, Steven Diehl, Christopher J. Fontes, Lucille H. Frey, Stephen T. Holland, Aimee L. Hungerford, Stefan Immler, Paolo Mazzali, Casey Meakin, Peter A. Milne, Cody Raskin, Francis X. Timmes

Fermi Gamma-ray Space Telescope Observations of Recent Gamma-ray Outbursts from 3C 454.3

• Authors: The Fermi-LAT collaboration

No Correlation Between Host Galaxy Metallicity and Gamma-Ray Energy Release for Long-Duration Gamma-Ray Bursts

• Authors: Emily M. Levesque, Alicia M. Soderberg, Lisa J. Kewley, Edo Berger

Neutrino physics from precision cosmology

• Authors: Steen Hannestad

Memories of Murray and the Quark Model

• Authors: George Zweig

tipa -- 7/5/2010

Further X-ray observations of EXO 0748-676 in quiescence: evidence for a cooling neutron star crust

• Authors: N. Degenaar, M.T. Wolff, P.S. Ray, K.S. Wood, J. Homan, W.H.G. Lewin, P.G. Jonker, E.M. Cackett, J.M. Miller, E.F. Brown, R. Wijnands

Evidence for an anomalous like-sign dimuon charge asymmetry

• Authors: D0 Collaboration, V. Abazov et al

classic papers of the week -- 156

Inelastic Electron Proton and gamma Proton Scattering, and the Structure of the Nucleon

• J.D. Bjorken, Emmanuel A. Paschos (Stanford Linear Accelerator Center)

A Demonstration Concerning the Motion of Light, Communicated from Paris

• Ole Rømer

The Scattering of Cosmic Rays by the Stars of a Galaxy

• Vallarta, M. S.; Feynman, R. P. (Massachusetts Institute of Technology, Cambridge, MA)

tipa -- 7/2/2010

Enhanced Detectability of Pre-reionization 21-cm Structure

• Authors: Marcelo A. Alvarez, Ue-Li Pen, Tzu-Ching Chang

A Short GRB "No-Host'' Problem? Investigating Large Progenitor Offsets for Short GRBs with Optical Afterglows

• Authors: E. Berger (Harvard)

The SN 2008S Progenitor Star: Gone or Again Self-Obscured?

• Authors: J. L. Prieto, D. M. Szczygiel, C. S. Kochanek, K. Z. Stanek, T. A. Thompson, J. F. Beacom, P. M. Garnavich, C. E. Woodward

Cosmological concordance or chemical coincidence? Deuterated molecular hydrogen abundances at high redshift

• Authors: J. Tumlinson, A. L. Malec, R. F. Carswell, M. T. Murphy, R. Buning, N. Milutinovic, S. L. Ellison, J. X. Prochaska, R. A. Jorgenson, W. Ubachs, A. M. Wolfe

Boron Synthesis in Type Ic Supernovae

• Authors: Ko Nakamura, Takashi Yoshida, Toshikazu Shigeyama, Toshitaka Kajino

Electron and Photon Interactions in the Regime of Strong LPM Suppression

• Authors: Lisa Gerhardt, Spencer R. Klein

tipa -- 7/1/2010

The High Time Resolution Universe Pulsar Survey I: System configuration and initial discoveries

• Authors: M. J. Keith, A. Jameson, W. van Straten, M. Bailes, S. Johnston, M. Kramer, A. Possenti, S. D. Bates, N. D. R. Bhat, M. Burgay, S. Burke-Spolaor, N. D'Amico, L. Levin, S. Milia, B. W. Stappers

Revealing Type Ia supernova physics with cosmic rates and nuclear gamma rays

• Authors: Shunsaku Horiuchi, John F. Beacom (Ohio State)

An asymmetric explosion as the origin of spectral evolution diversity in type Ia supernovae

• Authors: K. Maeda, S. Benetti, M. Stritzinger, F.K. Roepke, G. Folatelli, J. Sollerman, S. Taubenberger, K. Nomoto, G. Leloudas, M. Hamuy, M. Tanaka, P.A. Mazzali, N. Elias-Rosa

VERITAS Search for VHE Gamma-ray Emission from Dwarf Spheroidal Galaxies

• Authors: The VERITAS Collaboration

tipa -- 6/30/2010

Fermi Large Area Telescope View of the Core of the Radio Galaxy Centaurus A

• Authors: Fermi Collaboration, A. Falcone, H. Hase, C. Pagoni, C. Ploetz

The GALEX Arecibo SDSS Survey II: The Star Formation Efficiency of Massive Galaxies

• Authors: David Schiminovich, Barbara Catinella, Guinevere Kauffmann, Silvia Fabello, Jing Wang, Cameron Hummels, Jenna Lemonias, Sean M. Moran, Ronin Wu, Riccardo Giovanelli, Martha P. Haynes, Timothy M. Heckman, Antara R. Basu-Zych, Michael R. Blanton, Jarle Brinchmann, Tamas Budavari, Thiago Goncalves, Benjamin D. Johnson, Robert C. Kennicutt, Barry F. Madore, Christopher D. Martin, Michael R. Rich, Linda J. Tacconi, David A. Thilker, Vivienne Wild, Ted K. Wyder

tipa -- 6/29/2010

Switched magnetospheric regulation of pulsar spin-down

• Authors: Andrew Lyne (1), George Hobbs (2), Michael Kramer (1,3), Ingrid Stairs (4), Ben Stappers (1) (1-Jodrell Bank Centre for Astrophysics, University of Manchester, 2 - CSIRO, ATNF, 3 - MPI fuer Radioastronomie, 4 - University of British Columbia)

Teraelectronvolt Astronomy

• Authors: J.A. Hinton, W. Hofmann

Discovery of VHE gamma-rays from the BL Lac object PKS 0548-322

• Authors: H.E.S.S. collaboration

Fallback Supernovae: Possible Origin of Peculiar Supernovae with Extremely Low Explosion Energies

• Authors: Takashi Moriya, Nozomu Tominaga, Masaomi Tanaka, Ken'ichi Nomoto, Daniel N. Sauer, Paolo A. Mazzali, Keiichi Maeda, Tomoharu Suzuki

Galaxy Formation Theory

• Authors: Andrew J. Benson (1) ((1) California Institute of Technology)

Ultrahigh Energy Nuclei in the Galactic Magnetic Field

• Authors: G. Giacinti, M. Kachelriess, D. V. Semikoz, G. Sigl

Cosmology seeking friendship with sterile neutrinos

• Authors: Jan Hamann, Steen Hannestad, Georg G. Raffelt, Irene Tamborra, Yvonne Y.Y. Wong

New limit on Lorentz and CPT-violating neutron spin interactions

• Authors: J. M. Brown, S. J. Smullin, T. W. Kornack, M. V. Romalis

tipa -- 6/28/2010

Parsec-scale Faraday Rotation Measures from General Relativistic MHD Simulations of Active Galactic Nuclei Jets

• Authors: Avery E. Broderick (1), Jonathan C. McKinney (2) ((1) CITA, (2) KIPAC)

Luminosity Distribution of Gamma-Ray Burst Host Galaxies at redshift z=1 in Cosmological Smoothed Particle Hydrodinamic Simulations: Implications for the Metallicity Dependence of GRBs

• Authors: Yuu Niino, Jun-Hwan Choi, Masakazu A. R. Kobayashi, Kentaro Nagamine, Tomonori Totani, Bing Zhang

New constraints on Lorentz invariance violation from the neutron electric dipole moment

• Authors: I. Altarev, C. A. Baker, G. Ban, K. Bodek, M. Daum, M. Fertl, B. Franke, P. Fierlinger, P. Geltenbort, K. Green, M. G. D. van der Grinten, P. G. Harris, R. Henneck, M. Horras, P. Iaydjiev, S. N. Ivanov, N. Khomutov, K. Kirch, S. Kistryn, A. Knecht, A. Kozela, F. Kuchler, B. Lauss, T. Lefort, Y. Lemière, A. Mtchedlishvili, O. Naviliat-Cuncic, J. M. Pendlebury, G. Petzoldt, E. Pierre, F. M. Piegsa, G. Pignol, G. Quéméner, D. Rebreyend, S. Roccia, P. Schmidt-Wellenburg, N. Severijns, D. Shiers, K. F. Smith, Yu. Sobolev, J. Zejma, J. Zenner, G. Zsigmond

classic papers of the week -- 155

The S Matrix in Quantum Electrodynamics

• Dyson, F. J. (Institute for Advanced Study, Princeton, New Jersey)

Small-Scale Fluctuations of Relic Radiation

• Sunyaev, R. A.; Zeldovich, Ya. B. (Institute of Applied Mathematics, Academy of Sciences of the U.S.S.R.)

Cathode Rays

• Thomson, J. J. (F.R.S., Cavendish Professor of Experimental Physics, Cambridge)

tipa -- 6/25/2010

Masses of Neutron Stars in High-Mass X-ray Binaries with Optical Astrometry

• Authors: John A. Tomsick (SSL/UC Berkeley), Matthew W. Muterspaugh (Tennessee State University)

Is Eta Carinae a fast rotator, and how much does the companion influence the inner wind structure?

• Authors: Jose H. Groh (Max-Planck-Institute for Radioastronomy), Thomas I. Madura (U Delaware), Stanley P. Owocki (U Delaware), D. John Hillier (U Pittsburgh), Gerd Weigelt (MPIfR)

On possibility of synthesizing superheavy elements in nuclear explosions

• Authors: Alexander Botvina, Igor Mishustin, Valery Zagrebaev, Walter Greiner

tipa -- 6/24/2010

UV Luminosity Functions from 113 z~7 and z~8 Lyman-Break Galaxies in the ultra-deep HUDF09 and wide-area ERS WFC3/IR Observations

• Authors: R. J. Bouwens (UCSC/Leiden), G.D. Illingworth (UCSC), P. A. Oesch (ETH Zurich), I. Labbe (Carnegie), M. Trenti (U Colorado), P. van Dokkum (Yale), M. Franx (Leiden), M. Stiavelli (STScI), C. M. Carollo (ETH Zurich), D. Magee (UCSC), V. Gonzalez (UCSC)

Angular Momentum and the Validity of the Adiabatic Contraction Assumption

• Authors: Laura G. Book (1), Alyson Brooks (1), Annika H. G. Peter (1), Andrew J. Benson (1), Fabio Governato (2) ((1) California Institute of Technology, (2) Astronomy Department, University of Washington)

Sub-Chandrasekhar White Dwarf Mergers as the Progenitors of Type Ia Supernovae

• Authors: Marten H. van Kerkwijk (1,2,3), Philip Chang (4), Stephen Justham (2) ((1) UofT, (2) KIAA/PKU, (3) Caltech, (4) CITA)

Evolution of the number of accreting white dwarfs with shell nuclear burning and of occurrence rate of SN Ia

• Authors: L.R. Yungelson (Institute of Astronomy, RAS, Moscow, Russia)

Double-detonation sub-Chandrasekhar supernovae: synthetic observables for minimum helium shell mass models

• Authors: M. Kromer, S. A. Sim, M. Fink, F. K. Roepke, I. R. Seitenzahl, W. Hillebrandt (MPA Garching)

Nearby Supernova Rates from the Lick Observatory Supernova Search. I. The Methods and Database

• Authors: Jesse Leaman (1,2), Weidong Li (1), Ryan Chornock (1,3), Alexei V. Filippenko (1) ((1) UC Berkeley (2) NASA/Ames (3) CfA, Harvard)

Nearby Supernova Rates from the Lick Observatory Supernova Search. II. The Observed Luminosity Functions and Fractions of Supernovae in a Complete Sample

• Authors: Weidong Li (1), Jesse Leaman (1,2), Ryan Chornock (1,3), Alexei V. Filippenko (1), Dovi Poznanski (1), Mohan Ganeshalingam (1), Xiaofeng Wang (1,4,5), Maryam Modjaz (1,6), Saurabh Jha (1,7), Ryan J. Foley (1,3,8), Nathan Smith (1) ((1) UC Berkeley (2) NASA/Ames (3) CfA, Harvard (4) Texas A&M (5) THCA, Tsinghua University, China (6) Miller Fellow (7) Rutgers (8) Clay Fellow)

Nearby Supernova Rates from the Lick Observatory Supernova Search. III. The Rate-Size Relation, and the Rates as a Function of Galaxy Hubble Type and Colour

• Authors: Weidong Li (1), Ryan Chornock (1,2), Jesse Leaman (1,3), Alexei V. Filippenko (1), Dovi Poznanski (1), Xiaofeng Wang (1,4,5), Mohan Ganeshalingam (1), Filippo Mannucci (6) ((1) UC Berkeley (2) CfA, Harvard (3) NASA/Ames (4) Texas A&M (5) THCA, Tsinghua University, China (6) INAF-Istituto di Radioastronomia)