Thursday, November 06, 2008

Interesting Astrophysical Papers: Oct 20 to Nov 06.

Now that the election is out of the way, lets get back to astrophysics. Here is another set of recent papers and preprints that I consider interesting, arranged into rough categories.


Galaxies

The nucleus of NGC 253 and its massive stellar clusters at parsec scales
Juan Antonio Fernández-Ontiveros, M. Almudena Prieto, Jose Antonio Acosta-Pulido (Instituto de Astrofísica de Canarias), arXiv:0810.3250v1 [astro-ph]
Comments: 5 pages, 3 figures. Accepted for publication in MNRAS (Letters)

The Sub-parsec Scale Radio Properties of Southern Starburst Galaxies. II. Supernova Remnants, the Supernova Rate, and the Ionised Medium in the NGC 4945 Starburst
E. Lenc, S. J. Tingay, arXiv:0811.0057v1 [astro-ph]
Comments: Accepted by the Astronomical Journal. 38 pages, 7 figures,

The Sizes of Early-type Galaxies
Joachim Janz, Thorsten Lisker (ARI/Zentrum fuer Astronomie, University of Heidelberg), arXiv:0810.2999v1 [astro-ph]
Comments: Accepted by ApJL; 5 page, 3 figures

Low-Level Nuclear Activity in Nearby Spiral Galaxies
Himel Ghosh and Smita Mathur, The Astrophysical Journal, 687:216–229, 2008 November 1

Dust and Gas as Seeds for Metal-Poor Star Formation
Deidre A. Hunter (Lowell Observatory), arXiv:0810.5069v1 [astro-ph]
Comments: To be published in "Low Metallicity Star Formation: From the First Stars to Dwarf Galaxies," Proceedings of IAU Symposium No. 255, eds. L.K. Hunt, S. Madden, & R. Schneider (Cambridge: Cambridge Univ Press)

Spitzer/IRS Mapping of Local Luminous Infrared Galaxies
Miguel Pereira-Santaella, Almudena Alonso-Herrero, George H. Rieke, Luis Colina, arXiv:0810.5088v1 [astro-ph]
Comments: 4 pages, 5 figures. To appear in "Highlights of Spanish Astrophysics V", Proceedings of the VIII Scientific Meeting of the Spanish Astronomical Society (SEA) held in Santander, 7-11 July, 2008

Resolution of the Distance Ambiguity for Galactic HII Regions
L. D. Anderson, T. M. Bania, arXiv:0810.5570v1 [astro-ph]
Comments: Accepted to ApJ

Massive star formation in Wolf-Rayet galaxies: I. Optical and NIR photometric results
Angel R. Lopez-Sanchez, Cesar Esteban, arXiv:0811.0202v1 [astro-ph]
Comments: Published in A&A, 491, 131 (2008). 39 Figures have NOT been included
here. Full version in this http URL False color pictures of the galaxies can be found in this http URL

Chandra Acis Survey of X-Ray Point Sources in 383 Nearby Galaxies I. the Source Catalog
Jifeng Liu, arXiv:0811.0804v1 [astro-ph]
Comments: 77 pages, 14 figures, 5 tables


Numerical Astrophysics and Hydrodynamics

Modeling the Disk (three-phase) Interstellar Medium
Gerhard Hensler, arXiv:0810.3347v1 [astro-ph]
Comments: 14 pages, to be published in Proceed. IAU Symp. No. 254, "The Galaxy Disk in Cosmological Context", J. Andersen, J. Bland-Hawthorn, & B. Nordstroem (eds.), 2009, invited review

Supernova Explosions and the Triggering of Galactic Fountains and Outflows
E. M. de Gouveia Dal Pino, C. Melioli, A. D'Ercole, F. Brighenti, A. Raga, arXiv:0811.0038v1 [astro-ph]
Comments: 9 pages, 7 figures, invited paper accepted to: "Magnetic Fields in the Universe II: from Laboratory and Stars to the Primordial Structures", RevMexAA


Visualization and Computing

Algorithmic comparisons of decaying, isothermal, compressible turbulence. I. Low-resolution simulations with fixed grids
S. Kitsionas, R. Klessen, C. Federrath, W. Schmidt, D. Price, J. Dursi, M. Gritschneder, S. Walch, R. Piontek, J. Kim, A.-K. Jappsen, P. Ciecielag, M.-M. Mac Low, arXiv:0810.4599v1 [astro-ph]
Comments: Submitted to A&A, 26 pages, 120 figures

Interchanging Interactive 3-d Graphics for Cosmology
C. J. Fluke, D. G. Barnes, N. T. Jones, arXiv:0810.4201v1 [astro-ph]
Comments: 10 pages, 7 figures, submitted to Publications of the Astronomical Society of Australia, Supporting demonstrations are available at this http URL


Stars and Stellar Evolution

The evolution of massive and very massive stars in clusters
Dany Vanbeveren, arXiv:0810.4781v1 [astro-ph]
Comments: 16 pages, 7 figures, Review talk presented at the conference From Taurus to the Antennae, Sheffield 4-8th August 2008

The mass-radius relationship from solar-type stars to terrestrial planets: a review
G. Chabrier, I. Baraffe, J. Leconte, J. Gallardo, T. barman, arXiv:0810.5085v1 [astro-ph]
Comments: Cool Stars, Stellar Systems and the Sun 15, invited review

Tycho Brahe's 1572 supernova as a standard type Ia explosion revealed from its light echo spectrum
Oliver Krause, Masaomi Tanaka, Tomonori Usuda, Takashi Hattori, Miwa Goto, Stephan Birkmann, Ken'ichi Nomoto, arXiv:0810.5106v1 [astro-ph]
Comments: 15 pages, 3 figures - accepted for publication in Nature


Cosmology

The Impact of Feedback on Disk Galaxy Scaling Relations
Aaron A. Dutton, Frank C. van den Bosch, arXiv:0810.4963v1 [astro-ph]
Comments: 25 pages, 14 figures, submitted to MNRAS

GalICS II: the [alpha/Fe]-mass relation in elliptical galaxies
A.Pipino, J.E.G. Devriendt, D.Thomas, J.Silk, S.Kaviraj, arXiv:0810.5753v1 [astro-ph]
Comments: 12 pages, 13 figure, A&A submitted, comments welcome


Planets, Comets and assorted small fry

Extrasolar Giant Planets and X-Ray Activity
Vinay L. Kashyap, Jeremy J. Drake, and Steven H. Saar, The Astrophysical Journal, 687:1339–1354, 2008 November 10.

A New Orbit Determination for Bright Sungrazing Comet of 1843
Zdenek Sekanina and Paul W. Chodas, The Astrophysical Journal, 687:1415–1422, 2008 November 10

Planet formation in the habitable zone of alpha Centauri B
Philippe Thebault, Francesco Marzari, Hans Scholl,
arXiv:0811.0673v1 [astro-ph]
Comments: accepted for publication in MNRAS


Bragging rights

The Science Impact of Astronomy PhD Granting Departments in the United States
Anne L. Kinney, arXiv:0811.0311v1 [astro-ph]
Comments: 18 pages, 6 figures

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