Here is a list of updated papers that have appeared on astro-ph:

arXiv: 1204.3924
Kinematical and chemical vertical structure of the Galactic thick disk II. A lack of dark matter in the solar neighborhood
C. Moni Bidin, G. Carraro, R. A. Mendez, R. Smith

arXiv:1203.4097 [pdf, ps, other]
The Missing Massive Satellites of the Milky WayJie Wang (ICC, Durham), Carlos S. Frenk (ICC, Durham), Julio F. Navarro (Victoria), Liang Gao (NAOC)

arXiv:1203.2612 [pdf]
An extremely primitive halo starE. Caffau (1,2), P. Bonifacio (2), P. François (2,3) . L. Sbordone (1,4,2) . L. Monaco (5), M. Spite (2), F. Spite (2), H.-G. Ludwig (1,2), R. Cayrel (2),S. Zaggia (6), F. Hammer (2), S. Randich (7), P. Molaro (8), V. Hill (9) ((1) ZAH-LSW Heidelberg, (2) GEPI - Obs. de Paris, CNRS, Univ. Paris Diderot, (3) Univ. de Picardie Jules Verne,(4) Max Planck Institut für Astrophysik, (5) ESO - Santiago, (6) INAF - Osservatorio Astronomico di Padova, (7) INAF - Osservatorio Astrofisico di Arcetri, (8) INAF - Osservatorio Astronomico di Trieste, (9) Univ. de Nice Sophia Antipolis, CNRS, OCA, Lab. Cassiopée)

arXiv:1203.2626 [pdf, other]
High-velocity clouds as streams of ionized and neutral gas in the halo of the Milky WayN. Lehner, J.C. Howk, C. Thom, A.J. Fox, J. Tumlinson, T.M. Tripp, J.D. Meiring

arXiv:1202.6061 [pdf, other]
Not too big, not too small: the dark halos of the dwarf spheroidals in the Milky WayCarlos A. Vera-Ciro, Amina Helmi, Else Starkenburg, Maarten A. Breddels

arXiv:1202.4474 [pdf, other]
The Resolved Structure and Dynamics of an Isolated Dwarf Galaxy: A VLT and Keck Spectroscopic Survey of WLM
Ryan Leaman, Kim A. Venn, Alyson M. Brooks, Giuseppina Battaglia, Andrew A. Cole, Rodrigo A. Ibata, Mike J. Irwin,Alan W. McConnachie, J. Trevor Mendel, Eline Tolstoy

arXiv:1202.3815 [pdf, ps, other]
A Relic Star Cluster in the Sextans Dwarf Spheroidal Galaxy - Implications for Early Star and Galaxy FormationTorgny Karlsson, Joss Bland-Hawthorn

arXiv:1202.5312 [pdf, ps, other]
Dissipative phenomena in extended-bodies interactions I: Methods Dwarf galaxies of the Local Group and their synthetic CMDsS. Pasetto, G. Bertelli, E.K. Grebel, C. Chiosi, Y. Fujita

arXiv:1202.5311 [pdf, other]
Probing the Halo From the Solar Vicinity to the Outer Galaxy: Connecting Stars in Local Velocity Structures to Large-Scale CloudsKathryn V. Johnston, Allyson A. Sheffield, Steven R. Majewski, Sanjib Sharma
arXiv:1202.5310 [pdf, ps, other]
Galactic Structure from Late-Type Giants at Mid-Latitudes I: Identifying Contributions to the Stellar Halo from Accreted and In Situ PopulationsAllyson A. Sheffield, Steven R. Majewski, Kathryn V. Johnston, Katia Cunha, Verne V. Smith, Andrew M. Cheung, Christina M. Hampton,Trevor J. David, Rachel Wagner-Kaiser, Marshall C. Johnson, Evan Kaplan, Jacob Miller, Richard J. Patterson

arXiv:1202.5552 [pdf, ps, other]
Formation and evolution of primordial protostellar systemsThomas H. Greif, Volker Bromm, Paul C. Clark, Simon C. O. Glover, Rowan J. Smith, Ralf S. Klessen, Naoki Yoshida, Volker Springel