Interesting Astrophysics: 26 Oct to 30 Oct

---

Galaxies and Starbursts

A New Empirical Method to Infer the Starburst History of the Universe from Local Galaxy Properties
Philip F. Hopkins, Lars Hernquist, arXiv:0910.4582 [ps, pdf, other]
Comments: 21 pages, 8 figures, accepted to MNRAS

Constraining the initial mass function of stars in the Galactic Centre
Ulf Loeckmann, Holger Baumgardt, Pavel Kroupa, arXiv:0910.4960 [ps, pdf, other]
Comments: MNRAS, accepted, 8 pages, 4 figures

HI Selected Galaxies in the Sloan Digital Sky Survey I: Optical Data
Andrew A. West, Diego A. Garcia-Appadoo, Julianne J. Dalcanton, Mike J. Disney, Constance M. Rockosi, Zeljko Ivezic, Misty C. Bentz, J. Brinkmann, arXiv:0910.4965 [ps, pdf, other]
Comments: 14 pages, 8 Figures, accepted for publication in AJ. Complete tables will be available in the AJ electronic version and on the Vizier site

HI Selected Galaxies in the Sloan Digital Sky Survey II: The Colors of Gas-Rich Galaxies
Andrew A. West, Diego A. Garcia-Appadoo, Julianne J. Dalcanton, Mike J. Disney, Constance R. Rockosi, Zeljko Ivezic, arXiv:0910.4966 [ps, pdf, other]
Comments: 12 pages, 16 figures, published in AJ (138, 796); replaced Figure 16 with higher resolution version
Journal-ref: West et al. 2009, AJ, 138, 796

---

Numerical Astrophysics

Adaptive Mesh Fluid Simulations on GPU
Peng Wang, Tom Abel, Ralf Kaehler, arXiv:0910.5547 [ps, pdf, other]
Comments: Submitted to New Astronomy

CUDA & MPI, with what sounds like the ZEUS MHD scheme. Hardly surprising, but nice to see some effort going into exploring the use of GPU computing with hydro codes.

---

Stars, Supernovae and Planets

Evolution of supermassive stars as a pathway to black hole formation
Mitchell C. Begelman, arXiv:0910.4398 [ps, pdf, other]
Comments: 10 pages, 5 figures, to appear in Monthly Notices of the Royal Astronomical Society

X-ray observations of classical novae. Theoretical implications
M. Hernanz, G. Sala, arXiv:0910.4607 [ps, pdf, other]
Comments: 6 pages, review paper accepted for publication in Astronomische Nachrichten

The Nature and Nurture of Star Clusters
Bruce G. Elmegreen, arXiv:0910.4638 [ps, pdf, other]
Comments: to be published in IAUS266: Star Clusters Basic Galactic Building Blocks Throughout Time And Space, eds. Richard de Grijs and Jacques Lepine, Cambridge University Press, 11 pages

Nuclear Star Clusters
Torsten Boeker, arXiv:0910.4863 [ps, pdf, other]
Comments: invited talk at IAU Symp. 266 "Star Clusters: Galactic Building Blocks through Space and Time"