tipa -- 12/3/2007

On the variability of quasars: a link between Eddington ratio and optical variability?

• Authors: B. C. Wilhite, R. J. Brunner, C. J. Grier, D. P. Schneider, D. E. Vanden Berk

Clues to the Origin of the Mass-Metallicity Relation: Dependence on Star Formation Rate and Galaxy Size

• Authors: Sara L. Ellison, David R. Patton, Luc Simard, Alan W. McConnachie

Dark Matter and Baryons in the Most X-ray Luminous and Merging Galaxy Cluster RX J1347.5-1145

• Authors: Maruša Bradač (1 and 2), Tim Schrabback (3), Thomas Erben (3), Michael McCourt (1), Evan Million (1), Adam Mantz (1), Steve Allen (1), Roger Blandford (1), Aleksi Halkola (3), Hendrik Hildebrand (3), Marco Lombardi (4 and 5), Phil Marshall (2), Peter Schneider (3), Tommaso Treu (2), Jean-Paul Kneib (6) ((1) KIPAC, Stanford, (2) UC Santa Barbara, (3) AIfA, Bonn, (4) ESO, (5) Universita degli Studi, Milano, (6) OAMP, Marseille)

The impact of going beyond the Maxwell distribution in direct dark matter detection rates

• Authors: J. D. Vergados, S. H. Hansen, O. Host

Vigorous star formation with low efficiency in massive disk galaxies at z=1.5

• Authors: E. Daddi, H. Dannerbauer, D. Elbaz, M. Dickinson, G. Morrison, D. Stern, S. Ravindranath

EeV neutrinos associated with UHECR sources

• Authors: Zhuo Li, Eli Waxman

Majorana Neutrinos, Neutrino Mass Spectrum and the || ~ 0.001 eV Frontier in Neutrinoless Double Beta Decay

• Authors: S. Pascoli, S. T. Petcov

classic papers of the week -- 47

Perturbations of a Cosmological Model and Angular Variations of the Microwave Background

• Sachs, R. K.; Wolfe, A. M.

On Closed Shells in Nuclei

• Mayer, Maria G. (Argonne National Laboratory and Institute for Nuclear Studies, University of Chicago)

On the "Magic Numbers" in Nuclear Structure

• Haxel, Otto (Max Planck Institut, Göttingen); Jensen, J. Hans (Institut f. theor. Physik, Heidelberg); Suess, Hans E. (Inst. f. phys. Chemie, Hamburg)

tipa -- 11/30/2007

The circumstellar medium around a rapidly rotating, chemically homogeneously evolving, possible gamma-ray burst progenitor

• Authors: Allard Jan van Marle, Norbert Langer, Sung-Chul Yoon, Guillermo Garcia-Segura

Enhanced high-energy neutrino emission from choked gamma-ray bursts due to meson and muon acceleration

• Authors: Hylke B. J. Koers, Ralph A. M. J. Wijers

Occurrence of Metal-free Galaxies in the Early Universe

• Authors: Jarrett L. Johnson, Thomas H. Greif, Volker Bromm

Extracting the Gamma Ray Signal from Dark Matter Annihilation in the Galactic Center Region

• Authors: Scott Dodelson, Dan Hooper, Pasquale D. Serpico

Dark-matter sterile neutrinos in models with a gauge singlet in the Higgs sector

• Authors: Kalliopi Petraki, Alexander Kusenko

tipa -- 11/29/2007

Blue Compact Dwarf Galaxies with Spitzer: The Infrared/Radio Properties

• Authors: Yanling Wu, V. Charmandaris, J.R. Houck, J.Bernard-Salas, V.Lebouteiller, B.R. Brandl, D. Farrah

Magnetic Field Amplification and Rapid Time Variations in SNR RX J1713.7-3946

• Authors: Donald C. Ellison, Andrey Vladimirov

tipa -- 11/28/2007

Swift BAT Survey of AGN

• Authors: J. Tueller, R. F. Mushotzky, S. Barthelmy, J. K. Cannizzo, N. Gehrels, C. B. Markwardt, G. K. Skinner, L. M. Winter

Constraints on the correlation between QSO luminosity and host halo mass from high-redshift quasar clustering

• Authors: Martin White, Paul Martini, J.D. Cohn

tipa -- 11/27/2007

Interaction-induced star formation in a complete sample of 10^5 nearby star-forming galaxies

• Authors: Cheng Li, Guinevere Kauffmann, Timothy Heckman, Y. P. Jing, Simon D. M. White

A Simultaneous Solution to the ^6Li and ^7Li Big Bang Nucleosynthesis Problems from a Long-Lived Negatively-Charged Leptonic Particle

• Authors: Motohiko Kusakabe, Toshitaka Kajino, Richard N. Boyd, Takashi Yoshida, Grant J. Mathews

Contribution to Unresolved Infrared Fluctuations from Dwarf Galaxies at Redshifts of 2-3

• Authors: Ranga-Ram Chary, Asantha Cooray, Ian Sullivan

Quasistars: Accreting black holes inside massive envelopes

• Authors: Mitchell C. Begelman, Elena M. Rossi, Philip J. Armitage (JILA, University of Colorado at Boulder)

tipa -- 11/26/2007

A Test of the Copernican Principle

• Authors: R. R. Caldwell, A. Stebbins

Constraining the cosmic ray source spectrum from observations in the GZK regime

• Authors: M.Kachelriess, E.Parizot, D.V.Semikoz

When GRB afterglows get softer, hard components come into play

• Authors: A. Moretti (1), R. Margutti (1,2), F. Pasotti (1,2), A.P. Beardmore (3), S. Campana (1), G. Chincarini (2,1), S. Covino (1), O. Godet (3), C. Guidorzi (2,1) J.P. Osborne (3), P. Romano (2,1), G. Tagliaferri (1) ((1) INAF-OAB; (2) U. Bicocca; (3) U. Leicester)

thanksgiving tipa -- 11/22/2007

Rare White dwarf stars with carbon atmospheres

• Authors: P. Dufour, James Liebert, G. Fontaine, N. Behara

Supernova Relic Electron Neutrinos and anti-Neutrinos in future Large-scale Observatories

• Authors: C. Volpe, J. Welzel

On the nature of the fast moving star S2 in the Galactic Center

• Authors: F. Martins (1), S. Gillessen (1), F. Eisenhauer (1), R. Genzel (1,2), T. Ott (1), S. Trippe (1) ((1) MPE Garching, (2) Berkeley)

tipa -- 11/21/2007

Search for Ultra High-Energy Neutrinos with AMANDA-II

• Authors: The IceCube Collaboration: M. Ackermann, et al

Different progenitors of short hard gamma-ray bursts

• Authors: Eleonora Troja, Andrew R. King, Paul T. O'Brien, Nicola Lyons, Giancarlo Cusumano

The effect of massive binaries on stellar populations and supernova progenitors

• Authors: John J. Eldridge, Robert G. Izzard, Christopher A. Tout

The Galactic Positron Annihilation Radiation & The Propagation of Positrons in the Interstellar Medium

• Authors: J. C. Higdon (Claremont Colleges), R. E. Lingenfelter (UCSD), R. E. Rothschild (UCSD)

Upper Limits from HESS AGN Observations in 2005-2007

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

Nuclear Astrophysics Before 1957

• Authors: Edwin E. Salpeter

LIGO: The Laser Interferometer Gravitational-Wave Observatory

• Authors: The LIGO Scientific Collaboration: B. Abbott, et al

tipa -- 11/20/2007

Dark Matter Might Decay... Just Not Today!

• Authors: Hasan Yuksel, Matthew D. Kistler (Ohio State University)

On Gamma Ray Burst and Blazar AGN Origins of the Ultra-High Energy Cosmic Rays in Light of First Results from Auger

• Authors: Charles D. Dermer (NRL)

Constraints on the TeV source population and its contribution to the galactic diffuse TeV emission

• Authors: Sabrina Casanova, Brenda L. Dingus

Probing new physics with long-lived charged particles produced by atmospheric and astrophysical neutrinos

• Authors: Shin'ichiro Ando (Caltech), John F. Beacom (Ohio State), Stefano Profumo (UCSC/Caltech), David Rainwater (Rochester)

Neutrino Experiments: Status, Recent Progress, and Prospects

• Authors: Steve Brice

tipa -- 11/19/2007

Production of Neutrinos and Secondary Electrons in Cosmic Sources

• Authors: C.-Y. Huang, M. Pohl

Starburst galaxies in cluster-feeding filaments unveiled by Spitzer

• Authors: Dario Fadda (1), Andrea Biviano (2), Francine R. Marleau (3), Lisa J. Storrie-Lombardi (3), Florence Durret (4) ((1) NHSC-Caltech (2) INAF-Trieste (3) SSC-Caltech (4) IAP-CNRS)

The Detection of a Light Echo from the Type Ia Supernova 2006X in M100

• Authors: Xiaofeng Wang (1,2), Weidong Li (1), Alexei V. Filippenko (1), Ryan J. Foley (1), Nathan Smith (1), Lifan Wang (3) (1. UC Berkeley; 2. Tsinghua University; 3. Texas A&M University)

Upper limit for gamma-ray emission above 140 GeV from the dwarf spheroidal galaxy Draco

• Authors: J. Albert, et al, for the MAGIC Collaboration

High-energy neutrinos from reverse shocks in gamma-ray burst progenitors

• Authors: Shunsaku Horiuchi (Tokyo University), Shin'ichiro Ando (Caltech)

classic papers of the week -- 46

On the Interaction of Radiation from Distant Sources with the Intervening Medium

• Bahcall, John N.; Salpeter, E. E.

A stone's throw into the universe: A memoir

• Zwicky, F. (California Inst. of Tech., Pasadena)

The Development of the Space-Time View of Quantum Electrodynamics

• Richard P. Feynman

tipa -- 11/16/2007

Consequences of dark matter self-annihilation for galaxy formation

• Authors: Priyamvada Natarajan (Yale), Darren Croton (Berkeley), Gianfranco Bertone (IAP)

Low-Mass X-ray Binaries and Globular Clusters in Centaurus A

• Authors: Andres Jordan, Gregory R. Sivakoff, Dean E. McLaughlin, John P. Blakeslee, Daniel A. Evans, Ralph P. Kraft, Martin J. Hardcastle, Eric W. Peng, Patrick Cote, Judith H. Croston, Adrienne M. Juett, Dante Minniti, Somak Raychaudhury, Craig L. Sarazin, Diana M. Worrall, William E. Harris, Kristin A. Woodley, Mark Birkinshaw, Nicola J. Brassington, William R. Forman, Christine Jones, Stephen S. Murray

Spallation nuclei in substellar objects: a new dark-matter signature?

• Authors: Benjamin Monreal, Lorne A. Nelson, Joseph A. Formaggio

Average mass composition of primary cosmic rays in the superhigh energy region by Yakutsk complex EAS array data

• Authors: S.P. Knurenko, A.A. Ivanov, A.V. Sabourov, I.Ye. Sleptsov

Observations of the Sagittarius Dwarf galaxy by the H.E.S.S. experiment and search for a Dark Matter signal

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

tipa -- 11/15/2007

A runaway collision in a young star cluster as the origin of the brightest supernova

• Authors: Simon Portegies Zwart (UvA) Edward P.J. van den Heuvel (UvA)

The VLT-FLAMES survey of massive stars: rotation and nitrogen enrichment as the key to understanding massive star evolution

• Authors: I. Hunter, I. Brott, D.J. Lennon, N. Langer, P.L. Dufton, C. Trundle, S.J. Smartt, A. de Koter, C.J. Evans, R.S.I. Ryans

On the Origin and Survival of UHE Cosmic-Ray Nuclei in GRBs and Hypernovae

• Authors: Xiang-Yu Wang, Soebur Razzaque, Peter Meszaros

tipa -- 11/14/2007

New estimation of the spectral index of high-energy cosmic rays as determined by the Compton-Getting anisotropy

• Authors: M.Amenomori, X.J.Bi, D.Chen, S.W.Cui, Danzengluobu, L.K.Ding, X.H.Ding, C.Fan, C.F.Feng, Zhaoyang Feng, Z.Y.Feng, X.Y.Gao, Q.X.Geng, H.W.Guo, H.H.He, M.He, K.Hibino, N.Hotta, Haibing Hu, H.B.Hu, J.Huang, Q.Huang, H.Y.Jia, F.Kajino, K.Kasahara, Y.Katayose, C.Kato, K.Kawata, Labaciren, G.M.Le, A.F.Li, J.Y.Li, Y.-Q.Lou, H.Lu, S.L.Lu, X.R.Meng, K.Mizutani, J.Mu, K.Munakata, A.Nagai, H.Nanjo, M.Nishizawa, M.Ohnishi, I.Ohta, H.Onuma, T.Ouchi, S.Ozawa, J.R.Ren, T.Saito, T.Y.Saito, M.Sakata, T.K.Sako, M.Shibata, A.Shiomi, T.Shirai, H.Sugimoto, M.Takita, Y.H.Tan, N.Tateyama, S.Torii, H.Tsuchiya, S.Udo, B.Wang, H.Wang, X.Wang, Y.Wang, Y.G.Wang, H.R.Wu, L.Xue, Y.Yamamoto, C.T.Yan, X.C.Yang, S.Yasue, Z.H.Ye, G.C.Yu, A.F.Yuan, T.Yuda, H.M.Zhang, J.L.Zhang, N.J.Zhang, X.Y.Zhang, Y.Zhang, Yi Zhang, Zhaxisangzhu, et al (1 additional authors not shown

tipa -- 11/13/2007

Detecting z > 2 Type IIn Supernovae

• Authors: Jeff Cooke

tipa -- 11/12/2007

The Star Formation Demographics of Galaxies in the Local Volume

• Authors: Janice C. Lee, Robert C. Kennicutt, Jose G. Funes, S.J., Shoko Sakai, Sanae Akiyama

Predicting the proton separation energy of Rh93 from supernova nucleosynthesis

• Authors: Jacob Lund Fisker, Robert D. Hoffman, Jason Pruet

tipa -- 11/9/2007

Correlation of the Highest-Energy Cosmic Rays with Nearby Extragalactic Objects

• Authors: Pierre Auger Collaboration

Implications for the Origin of GRB 070201 from LIGO Observations

• Authors: B. Abbott, et al, for the LIGO Scientific Collaboration

Hypervelocity A & B Stars should be slow rotators

• Authors: Brad Hansen (UCLA)

Spatially Resolved Galaxy Star Formation and its Environmental Dependence I

• Authors: Niraj Welikala (1), Andrew J. Connolly (2), Andrew M. Hopkins (3), Ryan Scranton (1), Alberto Conti (4) ((1) University of Pittsburgh (2) University of Washington (3) University of Sydney (4)STScI)

Models of Type I X-ray Bursts from GS 1826-24: A Probe of rp-Process Hydrogen Burning

• Authors: Alexander Heger, Andrew Cumming, Duncan K. Galloway, Stanford E. Woosley

Evidence for a non-universal stellar initial mass function from the integrated properties of SDSS galaxies

• Authors: Erik A. Hoversten, Karl Glazebrook

tipa -- 11/8/2007

A Search for New Galactic Magnetars in Archival Chandra and XMM-Newton Observations

• Authors: M. P. Muno (Caltech), B. M. Gaensler (U. Sydney), A. Nechita (The Onion), J. M. Miller (U Michigan), P. O. Slane (Harvard CfA)

Combining CPT-conjugate Neutrino channels at Fermilab

• Authors: Andreas Jansson, Olga Mena, Stephen Parke, Niki Saoulidou

tipa -- 11/7/2007

Gravitational Wave Sirens as a Triple Probe of Dark Energy

• Authors: Eric V. Linder

Supernovae in Low-Redshift Galaxy Clusters: Observations by the Wise Observatory Optical Transient Search (WOOTS)

• Authors: Avishay Gal-Yam (Weizmann Institute), Dan Maoz (TAU), Puragra Guhathakurta (UCSC), Alexei V. Filippenko (UCB)

A Study of Muon Neutrino Disappearance Using the Fermilab Main Injector Neutrino Beam

• Authors: Michael Kordosky, David Petyt, for the MINOS Collaboration

Imaging the Internal Structure of the Earth with Atmospheric Neutrinos

• Authors: M.C. Gonzalez-Garcia, Francis Halzen, Michele Maltoni, Hiroyuki K.M. Tanaka