astro-ph.GA : Galaxy Astrophysics

Tuesday, February 14, 2012

1104.0629 (Ping He)

Second-order solutions of the equilibrium statistical mechanics for self-gravitating systems [PDF]

Ping He

A CANDELS WFC3 Grism Study of Emission-Line Galaxies at z~2: A Mix of Nuclear Activity and Low-Metallicity Star Formation [PDF]

Jonathan R. Trump, Benjamin J. Weiner, Claudia Scarlata, Dale D. Kocevski, Eric F. Bell, Elizabeth J. McGrath, David C. Koo, S. M. Faber, Elise S. Laird, Mark Mozena, Cyprian Rangel, Renbin Yan, Hassen Yesuf, Hakim Atek, Mark Dickinson, Jennifer L. Donley, James S. Dunlop, Henry C. Ferguson, Steven L. Finkelstein, Norman A. Grogin, Nimish P. Hathi, Stephanie Juneau, Jeyhan S. Kartaltepe, Anton M. Koekemoer, Kirpal Nandra, Jeffrey A. Newman, Steven A. Rodney, Amber N. Straughn, Harry I. Teplitz

The properties of dynamically ejected runaway and hyper-runaway stars [PDF]

Hagai B. Perets, Ladislav Subr

Insight Into the Formation of the Milky Way Through Cold Halo Substructure. III. Statistical Chemical Tagging in the Smooth Halo [PDF]

Kevin C. Schlaufman, Constance M. Rockosi, Young Sun Lee, Timothy C. Beers, Carlos Allende Prieto, Valery Rashkov, Piero Madau, Dmitry Bizyaev

Discovery of the Host Cluster for the Fundamental Cepheid Calibrator Zeta Gem [PDF]

Daniel J. Majaess, David G. Turner, Wolfgang Gieren, David Balam, David J. Lane

Detection of the Second r-process Peak Element Tellurium in Metal-Poor Stars [PDF]

Ian U. Roederer, James E. Lawler, John J. Cowan, Timothy C. Beers, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Jennifer S. Sobeck, Christopher Sneden

Non-LTE effects on the lead and thorium abundance determinations for cool stars [PDF]

Lyudmila Mashonkina, Alexander Ryabtsev, Anna Frebel

Dark matter density profiles of the halos embedding early-type galaxies: characterizing halo contraction and dark matter annihilation strength [PDF]

Kyu-Hyun Chae, Andrey V. Kravtsov, Joshua A. Frieman, Mariangela Bernardi

The vertical motions of mono-abundance sub-populations in the Milky Way disk [PDF]

Jo Bovy, Hans-Walter Rix, David W. Hogg, Timothy C. Beers, Young Sun Lee, Lan Zhang

1202.2120 (C. Gareth Few et al.)

RAMSES-CH: A New Chemodynamics Code [PDF]

C. Gareth Few, Stephanie Courty, Brad K. Gibson

Why Do Stars Form In Clusters? An Analytic Model for Stellar Correlation Functions [PDF]

Philip F. Hopkins

Luminous Satellites II: Spatial Distribution, Luminosity Function and Cosmic Evolution [PDF]

A. M. Nierenberg, M. W. Auger, T. Treu, P. J. Marshall, C. D. Fassnacht, Michael T. Busha

Identifying High Metallicity M Giants at Intragroup Distances with SDSS [PDF]

Lauren E. Palladino, Kelly Holley-Bockelmann, Heather Morrison, Patrick R. Durrell, Robin Ciardullo, John Feldmeier, Richard A. Wade, J. Davy Kirkpatrick, Patrick Lowrance

Spatially Resolved [FeII] 1.64 μm Emission in NGC 5135. Clues for Understanding the Origin of the Hard X-rays in Luminous Infrared Galaxies [PDF]

L. Colina, M. Pereira-Santaella, A. Alonso-Herrero, A. G. Bedregal, S. Arribas

A tidally distorted dwarf galaxy near NGC 4449 [PDF]

R. M. Rich, M. L. M. Collins, C. M. Black, F. M. Longstaff, A. Koch, A. Benson, D. B. Reitzel

1202.1822 (Erica June Nelson et al.)

Spatially resolved Halpha maps and sizes of 57 strongly star-forming galaxies at z~1 from 3D-HST: evidence for rapid inside-out assembly of disk galaxies [PDF]

Erica June Nelson, Pieter G. van Dokkum, Gabriel Brammer, Natascha Forster Schreiber, Marijn Franx, Mattia Fumagalli, Shannon Patel, Hans-Walter Rix, Rosalind E. Skelton, Rachel Bezanson, Elisabete Da Cunha, Mariska Kriek, Ivo Labbe, Britt Lundgren, Ryan Quadri, Kasper B. Schmidt

Exploring Halo Substructure with Giant Stars: Substructure in the Local Halo as Seen in the Grid Giant Star Survey Including Extended Tidal Debris from Omega Centauri [PDF]

Steven R. Majewski, David L. Nidever, Verne V. Smith, Guillermo J. Damke, William E. Kunkel, Richard J. Patterson, Dmitry Bizyaev, Ana E. Garcia Perez