1212.4152 (Guillermo A. Blanc et al.)

The VIRUS-P Exploration of Nearby Galaxies (VENGA): The Xco Gradient in NGC 628    [PDF]

Guillermo A. Blanc, Andreas Schruba, Neal J. Evans II, Shardha Jogee, Alberto Bolatto, Adam K. Leroy, Mimi Song, Remco C. E. van den Bosch, Niv Drory, Maximilian Fabricius, David Fisher, Karl Gebhardt, Amanda Heiderman, Irina Marinova, Stuart Vogel, Tim Weinzirl

1212.4296 (Kohei Hattori et al.)

Very Metal-Poor Outer-Halo Stars with Round Orbits    [PDF]

Kohei Hattori, Yuzuru Yoshii, Timothy C. Beers, Daniela Carollo, Young Sun Lee

1212.4378 (Z. Nagy et al.)

The chemistry of ions in the Orion Bar I. - CH+, SH+ and CF+: The effect of high electron density and vibrationally excited H2 in a warm PDR surface    [PDF]

Z. Nagy, F. F. S. Van der Tak, V. Ossenkopf, M. Gerin, F. Le Petit, J. Le Bourlot, J. H. Black, J. R. Goicoechea, C. Joblin, M. Roellig, E. A. Bergin