Astrophysics

Authors and titles for January 2013

[701] arXiv:1301.5200 [pdf, other]

Title: The puzzling merging cluster Abell 1914: new insights from the kinematics of member galaxies

R. Barrena (1,2), M. Girardi (3,4), W. Boschin (5) ((1) Instituto de Astrofisica de Canarias, Spain (2) La Laguna University, Astronomy Dept., Spain (3) Osservatorio Astronomico di Trieste, Italy (4) Trieste University, Astronomy Dept., Italy (5) Fundacion Galileo Galilei - INAF, Spain)

Comments: 14 pages, 10 figures, 2 tables

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[702] arXiv:1301.5202 [pdf, other]

Title: A scientific case for future X-ray Astronomy: Galaxy Clusters at high redshifts

Paolo Tozzi

Comments: proceedings of the conference "X-ray Astronomy: towards the next 50 years!", Milan, 1-5 Oct 2012

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[703] arXiv:1301.5203 [pdf, other]

Title: GRB 080407: an ultra-long burst discovered by the IPN

V. Pal'shin, K. Hurley, J. Goldsten, I. G. Mitrofanov, W. Boynton, A. von Kienlin, J. Cummings, M. Feroci, R. Aptekar, D. Frederiks, S. Golenetskii, E. Mazets, D. Svinkin, D. Golovin, M. L. Litvak, A. B. Sanin, C. Fellows, K. Harshman, R. Starr, A. Rau, V. Savchenko, X. Zhang, S. Barthelmy, N. Gehrels, H. Krimm, D. Palmer, E. Del Monte, M. Marisaldi

Comments: 5 pages, 2 figures, 3 tables. Proceedings of the Gamma-Ray Bursts 2012 Conference (GRB 2012) held in Munich, Germany, May 7-11, 2012. Published online at this http URL

Journal-ref: Proceedings of Science(GRB 2012)040

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)

[704] arXiv:1301.5214 [pdf, other]

Title: Effect of partial ionization on wave propagation in solar magnetic flux tubes

R. Soler, A. J. Diaz, J. L. Ballester, M. Goossens

Comments: Accepted for publication in A&A

Subjects: Solar and Stellar Astrophysics (astro-ph.SR)

[705] arXiv:1301.5230 [pdf, other]

Title: Disentangling the entangled: Observations and analysis of the triple non-coeval protostellar system VLA1623

Nadia M. Murillo, Shih-Ping Lai

Comments: 22 pages, 4 figures, 1 Table, Accepted to ApJ

Subjects: Astrophysics of Galaxies (astro-ph.GA)

[706] arXiv:1301.5233 [pdf, other]

Title: Galactic Disc Rotation: Analytic models and asymptotic results

Niall Ryan

Comments: 32 pages

Subjects: Astrophysics of Galaxies (astro-ph.GA); Mathematical Physics (math-ph)

[707] arXiv:1301.5239 [pdf, other]

Title: On close-in magnetized star-planet interactions

A. Strugarek, A. S. Brun, S. Matt

Comments: 4 pages, 1 figure, sf2a conference proceeding

Journal-ref: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics (2012) 419-423

Subjects: Solar and Stellar Astrophysics (astro-ph.SR); Earth and Planetary Astrophysics (astro-ph.EP)

[708] arXiv:1301.5240 [pdf, other]

Title: On the potential of the Cherenkov Telescope Array for the study of cosmic-ray diffusion in molecular clouds

G. Pedaletti, D. F. Torres, S. Gabici, E. de Oña Wilhelmi, D. Mazin, V. Stamatescu

Comments: 10 pages, 10 figures, 1 table, accepted for publication in A&A

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)

[709] arXiv:1301.5243 [pdf, other]

Title: Hubble parameter measurement constraints on the cosmological deceleration-acceleration transition redshift

Omer Farooq, Bharat Ratra

Comments: 11 pages 4 Figures, and 1 Table

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[710] arXiv:1301.5265 [pdf, other]

Title: An asteroseismic study of the Southern $\beta$ Cephei star \astrobj{ALS 3721}

C. Ulusoy, E. Niemczura, B. Ulaş, T. Gülmez

Comments: 18 pages, 4 figures, 2 Tables. Accepted for publication in New Astronomy

Subjects: Solar and Stellar Astrophysics (astro-ph.SR)

[711] arXiv:1301.5270 [pdf, other]

Title: Impact of H_2-based star formation model on the z>=6 luminosity function and the ionizing photon budget for reionization

Jason Jaacks, Robert Thompson, Kentaro Nagamine

Comments: 6 pages, 4 figures, Accepted ApJ 2/11/13

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[712] arXiv:1301.5274 [pdf, other]

Title: An X-ray counterpart of HESS J1427-608 discovered with Suzaku

Takahisa Fujinaga, Koji Mori, Aya Bamba, Shoichi Kimura, Tadayasu Dotani, Masanobu Ozaki, Keiko Matsuta, Gerd Puehlhofer, Hideki Uchiyama, Junko S. Hiraga, Hironori Matsumoto, Yukikatsu Terada

Comments: accepted to PASJ

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)

[713] arXiv:1301.5279 [pdf, other]

Title: How early is early dark energy?

Valeria Pettorino, Luca Amendola, Christof Wetterich

Comments: 14 pages, 9 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph)

[714] arXiv:1301.5280 [pdf, other]

Title: Planetary nebulae and HII regions in the spiral galaxy NGC 300. Clues on the evolution of abundance gradients and on AGB nucleosynthesis

G. Stasinska, M. Pena, F. Bresolin, Yi. Tsamis

Comments: Full Table 3 is at CDS

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA)

[715] arXiv:1301.5281 [pdf, other]

Title: Is the Sun Lighter than the Earth? Isotopic CO in the Photosphere, Viewed through the Lens of 3D Spectrum Synthesis

Thomas R. Ayres, J. R. Lyons, H.-G. Ludwig, E. Caffau, S. Wedemeyer-Böhm

Subjects: Solar and Stellar Astrophysics (astro-ph.SR); Earth and Planetary Astrophysics (astro-ph.EP)

[716] arXiv:1301.5284 [pdf, other]

Title: A Systemic Study of 14 Southern Infrared Dark Clouds with the N2H+, HNC, HCO+, and HCN Lines

Xiao-Lan Liu, Jun-Jie Wang, Jin-Long Xu

Comments: 24 pages, 18 figures, 5 tables

Subjects: Astrophysics of Galaxies (astro-ph.GA)

[717] arXiv:1301.5294 [pdf, other]

Title: Some aspects of the orientation of galaxies in clusters

Paulina Pajowska, Wlodzimierz Godlowski, Elena Panko, Piotr Flin

Comments: Presented at The Sixth Scientific Conference "Selected Issues of Astronomy and Astrophysics" in honor of Bohdan Babiy 4-6 October 2011 Lviv., references revised, accepted in: JPS, This work is extension of research presented in arXiv:1111.1777

Journal-ref: Journal of Physical Study 16, (2012), No4, 4901

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[718] arXiv:1301.5306 [pdf, other]

Title: A Deep Search for Extended Radio Continuum Emission From Dwarf Spheroidal Galaxies: Implications for Particle Dark Matter

K. Spekkens (RMC), B. S. Mason (NRAO), J. E. Aguirre (UPenn), B. Nhan (Colorado)

Comments: 18 pages, 11 figures, ApJ, in press. Modified to match accepted version: discussion expanded, results unchanged

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA)

[719] arXiv:1301.5315 [pdf, other]

Title: Cosmological constraints on a decomposed Chaplygin gas

Yuting Wang, David Wands, Lixin Xu, Josue De-Santiago, Alireza Hojjati

Comments: a code bug removed, typos corrected, references added, Fig.7 changed,version published in PRD

Journal-ref: Phys. Rev. D 87, 083503 (2013)

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[720] arXiv:1301.5318 [pdf, other]

Title: MaGICC Thick Disk I: Comparing a Simulated Disk Formed with Stellar Feedback to the Milky Way

G. S. Stinson (1), J. Bovy (2), H.-W. Rix (1), C. Brook (3), R. Roškar (4), J. J. Dalcanton (5), A. V. Macciò (1), J. Wadsley (6), H. M. P. Couchman (6), T. R. Quinn (5), ((1) MPIA, (2) IAS, (3) UA Madrid, (4) Zurich, (5) U of Washington, (6) McMaster)

Comments: 11 page, 10 figures, submitted. Comments welcome

Subjects: Astrophysics of Galaxies (astro-ph.GA); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[721] arXiv:1301.5319 [pdf, other]

Title: The Growth in Size and Mass of Cluster Galaxies since z=2

Chervin F. P. Laporte, Simon D. M. White, Thorsten Naab, Liang Gao

Comments: submitted to MNRAS, 10 pages, 8 figures, 2 tables

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[722] arXiv:1301.5320 [pdf, other]

Title: A Virtual Observatory Census to Address Dwarfs Origins. AVOCADO - I. Science goals, sample selection and analysis tools

R. Sánchez-Janssen, R. Amorín, M. García-Vargas, J. M. Gomes, M. Huertas-Company, F. Jiménez-Esteban, M. Mollá, P. Papaderos, E. Pérez-Montero, C. Rodrigo, J. Sánchez Almeida, E. Solano

Comments: 13 pages, 12 figures (a few with degraded resolution). Final version accepted to A&A

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[723] arXiv:1301.5321 [pdf, other]

Title: Do jets precess... or even move at all?

Chris Nixon, Andrew King

Comments: 4 pages. Accepted for publication in ApJ Letters

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)

[724] arXiv:1301.5322 [pdf, other]

Title: High-pressure, low-abundance water in bipolar outflows. Results from a Herschel-WISH survey

M. Tafalla, R. Liseau, B. Nisini, R. Bachiller, J. Santiago-García, E. F. van Dishoeck, L. E. Kristensen, G. J. Herczeg, U. A. Yıldız

Comments: 21 pages, 13 figures. Accepted for publication in A&A

Subjects: Astrophysics of Galaxies (astro-ph.GA)

[725] arXiv:1301.5325 [pdf, other]

Title: The spectral energy distributions of K+A galaxies from the UV to the mid-IR: stellar populations, star formation and hot dust

J. Melnick, R. De Propris

Comments: 18 pages, 15 figures. 2 On-line tables (available from journal websites). MNRAS, accepted

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[726] arXiv:1301.5330 [pdf, other]

Title: How the diffuse Universe cools

Serena Bertone (ESA/Aviospace), Anthony Aguirre (UCSC), Joop Schaye (Leiden Observatory)

Comments: 24 pages, 19 figures. Accepted for publication in MNRAS

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[727] arXiv:1301.5333 [pdf, other]

Title: The Maximum Energy of Accelerated Particles in Relativistic Collisionless Shocks

Lorenzo Sironi, Anatoly Spitkovsky, Jonathan Arons

Comments: 23 pages, 15 figures, submitted to ApJ

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)

[728] arXiv:1301.5346 [pdf, other]

Title: On Estimating Non-uniform Density Distributions using N Nearest Neighbors

Przemek Wozniak (Los Alamos National Laboratory), Andrzej Kruszewski (Warsaw University Observatory)

Comments: 9 pages, 3 figures

Journal-ref: Acta Astronomica, Vol. 62 (2012), pp. 409-417

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM)

[729] arXiv:1301.5351 [pdf, other]

Title: Galaxy pairs in the Sloan digital sky survey - VII: The merger -- luminous infra-red galaxy connection

Sara L. Ellison, J. Trevor Mendel, Jillian M. Scudder, David R. Patton, Michael J. D. Palmer

Comments: Accepted for publication in MNRAS

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[730] arXiv:1301.5360 [pdf, other]

Title: Studying light propagation in a locally homogeneous universe through an extended Dyer-Roeder approach

J. A. S. Lima, V. C. Busti, R. C. Santos

Comments: 5 pages, 2 figures. Title modified, results unchanged. It matches version published as a Brief Report in Phys. Rev. D

Journal-ref: Phys. Rev. D 89, 067301 (2014)

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

[731] arXiv:1301.5361 [pdf, other]

Title: Measurement of South Pole ice transparency with the IceCube LED calibration system

IceCube Collaboration: M. G. Aartsen, R. Abbasi, Y. Abdou, M. Ackermann, J. Adams, J. A. Aguilar, M. Ahlers, D. Altmann, J. Auffenberg, X. Bai, M. Baker, S. W. Barwick, V. Baum, R. Bay, J. J. Beatty, S. Bechet, J. Becker Tjus, K.-H. Becker, M. Bell, M. L. Benabderrahmane, S. BenZvi, J. Berdermann, P. Berghaus, D. Berley, E. Bernardini, A. Bernhard, D. Bertrand, D. Z. Besson, G. Binder, D. Bindig, M. Bissok, E. Blaufuss, J. Blumenthal, D. J. Boersma, S. Bohaichuk, C. Bohm, D. Bose, S. Böser, O. Botner, L. Brayeur, A. M. Brown, R. Bruijn, J. Brunner, S. Buitink, M. Carson, J. Casey, M. Casier, D. Chirkin, B. Christy, K. Clark, F. Clevermann, S. Cohen, D. F. Cowen, A. H. Cruz Silva, M. Danninger, J. Daughhetee, J. C. Davis, C. De Clercq, S. De Ridder, P. Desiati, M. de With, T. DeYoung, J. C. Díaz-Vélez, M. Dunkman, R. Eagan, B. Eberhardt, J. Eisch, R. W. Ellsworth, S. Euler, P. A. Evenson, O. Fadiran, A. R. Fazely, A. Fedynitch, J. Feintzeig, T. Feusels, K. Filimonov, C. Finley, T. Fischer-Wasels, S. Flis, A. Franckowiak, R. Franke, K. Frantzen, T. Fuchs, T. K. Gaisser, J. Gallagher, L. Gerhardt, L. Gladstone, T. Glüsenkamp, A. Goldschmidt, G. Golup, J. A. Goodman, D. Góra, D. Grant, A. Groß, M. Gurtner, C. Ha, A. Haj Ismail, A. Hallgren, F. Halzen

Journal-ref: NIM A711:73,2013

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Physics - Experiment (hep-ex); Instrumentation and Detectors (physics.ins-det)

[732] arXiv:1301.5367 [pdf, other]

Title: Constraints on relativity violations from gamma-ray bursts

Alan Kostelecky, Matthew Mewes

Comments: 10 pages

Journal-ref: Phys.Rev.Lett.110:201601,2013

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)

[733] arXiv:1301.5368 [pdf, other]

Title: Variability in Optical Spectra of epsilon Orionis

Gregory B. Thompson, Nancy D. Morrison

Comments: 18 pages, 12 figures, 7 tables; changed format to more closely resemble published version, added two refs., deleted two refs

Journal-ref: AJ, 145, 95 (2013)

Subjects: Solar and Stellar Astrophysics (astro-ph.SR)

[734] arXiv:1301.5391 [pdf, other]

Title: The Equipartition Magnetic Field Formula in Starburst Galaxies: Accounting for Pionic Secondaries and Strong Energy Losses

Brian C. Lacki, Rainer Beck

Comments: Accepted by MNRAS, 17 pages, 2 figures

Journal-ref: Monthly Notices of the Royal Astronomical Society (2013), 430, 3171

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA); High Energy Astrophysical Phenomena (astro-ph.HE)

[735] arXiv:1301.5407 [pdf, other]

Title: The catalogue of positions of optically bright extragalactic radio sources OBRS-2

Leonid Petrov

Comments: 7 pages, 6 figures, one machine readable table. The manuscript is submitted to the Astronomical Journal. The machine readable table can be found in the source tar-ball of this submission. arXiv admin note: text overlap with arXiv:1103.2840

Journal-ref: The Astronomical Journal (2013), 146, 5

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[736] arXiv:1301.5426 [pdf, other]

Title: Populations of Young Stellar Objects in Nearby Molecular Clouds

Tien-Hao Hsieh, Shih-Ping Lai

Comments: 19 pages, 15 figures, accepted by ApJ

Subjects: Astrophysics of Galaxies (astro-ph.GA)

[737] arXiv:1301.5433 [pdf, other]

Title: Far-ultraviolet Observations of the Taurus-Perseus-Auriga Complex

Tae-Ho Lim, Kyoung-Wook Min, Kwang-Il Seon

Subjects: Astrophysics of Galaxies (astro-ph.GA)

[738] arXiv:1301.5441 [pdf, other]

Title: Multi-Planet Destabilisation and Escape in Post-Main Sequence Systems

George Voyatzis, John D. Hadjidemetriou, Dimitri Veras, Harry Varvoglis

Comments: Accepted for publication in MNRAS (2013)

Subjects: Earth and Planetary Astrophysics (astro-ph.EP); Solar and Stellar Astrophysics (astro-ph.SR)

[739] arXiv:1301.5445 [pdf, other]

Title: The mass and radius evolution of globular clusters in tidal fields

Mark Gieles (University of Surrey)

Comments: 5 pages, 1 figure. To appear in the proceedings of the conference `Reading the book of globular clusters with the lens of stellar evolution', Rome, Nov. 26-28, 2012, to be published in Memorie della Societa Astronomica Italiana, Eds. Paolo Ventura and Corinne Charbonnel

Subjects: Astrophysics of Galaxies (astro-ph.GA)

[740] arXiv:1301.5463 [pdf, other]

Title: The rise of an ionized wind in the Narrow Line Seyfert 1 Galaxy Mrk 335 observed by XMM-Newton and HST

A. L. Longinotti (ESAC Madrid, MIT Kavli Institute Cambridge), Y. Krongold (UNAM Mexico DF), G. Kriss (STScI Baltimore), J. Ely (STScI Baltimore), L. Gallo (Saint Mary's University, Halifax), D. Grupe (Pennsylvania State University), S. Komossa (MPIfR Bonn), S. Mathur (Ohio State University), A. Pradhan (Ohio State University)

Comments: 24 pages, 12 figures, ApJ accepted

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Astrophysical Phenomena (astro-ph.HE)

[741] arXiv:1301.5477 [pdf, other]

Title: The investigations of anisotropy in orientations of galaxies

Wlodzimierz Godlowski, Elena Panko, Paulina Pajowska, Piotr Flin

Comments: Presented at The Sixth Scientific Conference "Selected Issues of Astronomy and Astrophysics" in honor of Bohdan Babiy 4-6 October 2011 Lviv, JPS 2012, 16, No3 accepted

Journal-ref: Journal of Physical Study 16, (2012), No3, 3901

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[742] arXiv:1301.5478 [pdf, other]

Title: Statistical properties of twin kHz QPO in neutron star LMXBs

D.H. Wang, L. Chen, C.M. Zhang, Y.J. Lei, J.L. Qu

Comments: 10 pages, 5 figures, 5 tables

Journal-ref: Astronomische Nachrichten 335 (2014) 168-177

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)

[743] arXiv:1301.5484 [pdf, other]

Title: Automated Quantitative Description of Spiral Galaxy Arm-Segment Structure

Darren Davis, Wayne Hayes

Comments: 9 pages;4 figures; 2 tables; accepted to CVPR (Computer Vision and Pattern Recognition), June 2012, Providence, Rhode Island, June 16-21, 2012

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Instrumentation and Methods for Astrophysics (astro-ph.IM)

[744] arXiv:1301.5499 [pdf, other]

Title: Transit Timing Observations from Kepler. VIII Catalog of Transit Timing Measurements of the First Twelve Quarters

Tsevi Mazeh, Gil Nachmani, Tomer Holczer, Daniel C. Fabrycky, Eric B. Ford, Roberto Sanchis-Ojeda, Gil Sokol, Jason F. Rowe, Shay Zucker, Eric Agol, Joshua A. Carter, Jack J. Lissauer, Elisa V. Quintana, Darin Ragozzine, Jason H.Steffen, William Welsh

Comments: Accepted for publication to ApJ. 57 pages, 23 Figures. Machine readable catalogs are available at this ftp URL

Subjects: Earth and Planetary Astrophysics (astro-ph.EP)

[745] arXiv:1301.5514 [pdf, other]

Title: White Paper on GEMS Study of Polarized X-rays from Neutron Stars

Pranab Ghosh, Lorella Angelini, Matthew Baring, Wayne Baumgartner, Kevin Black, Jessie Dotson, Alice Harding, Joanne Hill, Keith Jahoda, Phillip Kaaret, Tim Kallman, Henric Krawczynski, Julian Krolik, Dong Lai, Craig Markwardt, Herman Marshall, Jeffrey Martoff, Robin Morris, Takashi Okajima, Robert Petre, Juri Poutanen, Stephen Reynolds, Jeffrey Scargle, Jeremy Schnittman, Peter Serlemitsos, Yang Soong, Tod Strohmayer, Jean Swank, Y. Tawara, Toru Tamagawa

Comments: 29 pages 11 figures

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)

[746] arXiv:1301.5531 [pdf, other]

Title: First results from a next-generation off-plane X-ray diffraction grating

Randall McEntaffer, Casey DeRoo, Ted Schultz, Brennan Gantner, James Tutt, Andrew Holland, Stephen O'Dell, Jessica Gaskin, Jeffrey Kolodziejczak, William W. Zhang, Kai-Wing Chan, Michael Biskach, Ryan McClelland, Dmitri Iazikov, Xinpeng Wang, Larry Koecher

Comments: 17 pages, 10 figures, Submitted to Experimetal Astronomy

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Astrophysical Phenomena (astro-ph.HE)

[747] arXiv:1301.5555 [pdf, other]

Title: Comparison of the moments of the Xmax distribution predicted by different cosmic ray shower simulation models

Carlos Jose Todero Peixoto, Vitor de Souza, Jose Bellido

Comments: Submitted to Astroparticle Physics

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Phenomenology (hep-ph)

[748] arXiv:1301.5559 [pdf, other]

Title: Cosmic radio dipole from NVSS and WENSS

Matthias Rubart, Dominik J. Schwarz

Comments: 13 pages, 11 figures

Journal-ref: A&A, Volume 555, July 2013

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[749] arXiv:1301.5562 [pdf, other]

Title: The Elemental Compositions of Extrasolar Planetesimals

M. Jura (UCLA)

Comments: 10 pages, 3 figures, review presented at IAU Symposium No. 293, Beijing, August 2012, Formation, Detection and Characterization of Extrasolar Habitable Planets

Subjects: Earth and Planetary Astrophysics (astro-ph.EP)

[750] arXiv:1301.5567 [pdf, other]

Title: Gas infall into atomic cooling haloes: on the formation of protogalactic disks and supermassive black holes at z > 10

Joaquin Prieto, Raul Jimenez, Zoltan Haiman

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)