1204.3925 (Jonathan Mackey et al.)

Double bow shocks around young, runaway red supergiants: application to Betelgeuse    [PDF]

Jonathan Mackey, Shazrene Mohamed, Hilding R. Neilson, Norbert Langer, Dominique M. -A. Meyer

1204.4074 (Nora Lützgendorf et al.)

Central kinematics of the globular cluster NGC 2808: Upper limit on the mass of an intermediate-mass black hole    [PDF]

Nora Lützgendorf, Markus Kissler-Patig, Karl Gebhardt, Holger Baumgardt, Eva Noyola, Behrang Jalali, P. Tim de Zeeuw, Nadine Neumayer