tipa -- 5/1/2013

The Stellar Initial Mass Function of Ultra-Faint Dwarf Galaxies: Evidence for IMF Variations with Galactic Environment

• M. Geha, T.M. Brown, J. Tumlinson, J. Kalirai, J.D. Simon, E. Kirby, D. VandenBerg, R.M. Munoz, R. Avila, P. Guhathakurta, H. Ferguson

A Herschel [CII] Galactic plane survey I: the global distribution of ISM gas components

• Jorge L. Pineda, William D. Langer, Thangasamy Velusamy, Paul F. Goldsmith (JPL)

Chandra identification of 26 new black hole candidates in the central region of M31

• R. Barnard, M. R. Garcia, S. S. Murray

Formation and Coalescence of Cosmological Supermassive Black Hole Binaries in Supermassive Star Collapse

• C. Reisswig (1), C. D. Ott (1), E. Abdikamalov (1), R. Haas (1), P. Moesta (1), E. Schnetter (2) ((1) TAPIR, Caltech, (2) Perimeter Institute)

A peculiar faint satellite in the remote outer halo of M31

• Dougal Mackey, Avon Huxor, Nicolas Martin, Annette Ferguson, Aaron Dotter, Alan McConnachie, Rodrigo Ibata, Mike Irwin, Geraint Lewis, Charli Sakari, Nial Tanvir, Kim Venn

A new rare type of supernovae: hypervelocity stellar collisions at galactic centers

• Shmuel Balberg (1), Re'em Sari (1), Abraham Loeb (2) ((1) Hebrew University,(2) Harvard ITC)

H.E.S.S. discovery of VHE gamma-rays from the quasar PKS 1510-089

• H.E.S.S. Collaboration

Pulsar scintillation patterns and strangelets

• M. Angeles Perez-Garcia, Joseph Silk, Ue-Li Pen