Astrophysics

Authors and titles for January 2013

[601] arXiv:1301.4358 [pdf, other]

Title: Redshift-drift as a test for discriminating between decelerating inhomogeneous and accelerating universe models

Priti Mishra, Marie-Noëlle Célérier, Tejinder P. Singh

Comments: 3 pages, 2 figures, to appear in the Proceedings of the 13th Marcel Grossmann Meeting held in Stockholm 1-7 July, 2012, based on arXiv:1206.6026, typo corrected in the abstract

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

[602] arXiv:1301.4366 [pdf, other]

Title: Globular clusters seen by Gaia

E. Pancino (INAF-OABO, ASDC), M. Bellazzini (INAF-OABO), S. Marinoni (ASDC, INAF-OAROMA)

Comments: 4 pages, 2 Figures, to appear in the proccedings of the "Globular clusters seen through the lens of stellar evolution" conference held in Rome, 26-28 November 2012

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

[603] arXiv:1301.4371 [pdf, other]

Title: The small-scale dynamo: Breaking universality at high Mach numbers

Dominik R.G. Schleicher, Jennifer Schober, Christoph Federrath, Stefano Bovino, Wolfram Schmidt

Comments: 10 pages, 3 figures, 2 tables. Accepted at New Journal of Physics (NJP)

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Fluid Dynamics (physics.flu-dyn); Plasma Physics (physics.plasm-ph)

[604] arXiv:1301.4376 [pdf, other]

Title: Exploring the origin of magnetic fields in massive stars: II. New magnetic field measurements in cluster and field stars

S. Hubrig, M. Schoeller, I. Ilyin, N.V. Kharchenko, L.M. Oskinova, N. Langer, J.F. Gonzalez, A.F. Kholtygin, M. Briquet, the MAGORI collaboration

Comments: 14 pages, nine figures, four tables, accepted for publication in A&A

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

[605] arXiv:1301.4380 [pdf, other]

Title: Detecting warm DM in the $MeV/c^2$ range

François Vannucci, Jean-Michel Levy

Comments: 4 pages, 1 figure

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

[606] arXiv:1301.4384 [pdf, other]

Title: The TANAMI Program: Southern-Hemisphere AGN on (Sub-)parsec Scales

Cornelia Müller, F. Krauss, M. Kadler, J. Trüstedt, R. Ojha, E. Ros, J. Wilms, M. Böck, M. Dutka, B. Carpenter, the TANAMI collaboration

Comments: 6 pages, Conference Proceedings of "11th European VLBI Network Symposium & Users Meeting", published in Proceedings of Science

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

[607] arXiv:1301.4387 [pdf, other]

Title: A molecular outflow driven by the brown dwarf binary FU Tau

J.-L. Monin, E. Whelan, B. Lefloch, C. Dougados, C. Alves de Oliveira

Comments: 4 pages, 3 figures. A&A Letter

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

[608] arXiv:1301.4405 [pdf, other]

Title: The Galactic Wind Haze and its $\gamma$-spectrum

Nayantara Gupta, Biman B. Nath, Peter L. Biermann, Eun -Suk Seo, Todor Stanev, Julia Becker Tjus

Comments: 16 pages, 2 figures, more discussions added

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

[609] arXiv:1301.4416 [pdf, other]

Title: The Luminosities of Protostars in the Spitzer c2d and Gould Belt Legacy Clouds

Michael M. Dunham, Hector G. Arce, Lori E. Allen, Neal J. Evans II, Hannah Broekhoven-Fiene, Nicholas L. Chapman, Lucas A. Cieza, Robert A. Gutermuth, Paul M. Harvey, Jennifer Hatchell, Tracy L. Huard, Jason M. Kirk, Brenda C. Matthews, Bruno Merin, Jennifer F. Miller, Dawn E. Peterson, Loredana Spezzi

Comments: Accepted for publication in AJ. 21 pages, 10 figures, 4 tables

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

[610] arXiv:1301.4423 [pdf, other]

Title: Antarctic Radio Frequency Albedo and Implications for Cosmic Ray Reconstruction

D. Z. Besson, J. Stockham, M. Sullivan, P. Allison, S. W. Barwick, B. M. Baughman, J. J. Beatty, K. Belov, S. Bevan, W. R. Binns, C. Chen, P. Chen, J. M. Clem, A. Connolly, D. De Marco, P. F. Dowkontt, M. DuVernois, D. Goldstein, P. W. Gorham, E. W. Grashorn, B. Hill, S. Hoover, M. Huang, M. H. Israel, A. Javaid, J. Kowalski, J. Learned, K. M. Liewer, S. Matsuno, B. C. Mercurio, C. Miki, M. Mottram, J. Nam, C. J. Naudet, R. J. Nichol, K. Palladino, A. Romero-Wolf, L. Ruckman, D. Saltzberg, D. Seckel, R. Y. Shang, M. Stockham, G. S. Varner, A. G. Vieregg, Y. Wang

Comments: final version as accepted for publication by Radio Science

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

[611] arXiv:1301.4434 [pdf, other]

Title: Simulations of the merging galaxy cluster Abell 3376

Rubens E. G. Machado, Gastão B. Lima Neto

Comments: 12 pages, 7 figures, accepted for publication in MNRAS

Journal-ref: 2013MNRAS.430.3249M

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

[612] arXiv:1301.4443 [pdf, other]

Title: The Bivariate Size-luminosity Relations for Lyman Break Galaxies at z ~ 4 - 5

Kuang-Han Huang, Henry C. Ferguson, Swara Ravindranath, Jian Su

Comments: 24 pages, 19 figures, 4 tables, accepted for publication in ApJ

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

[613] arXiv:1301.4445 [pdf, other]

Title: Cosmic Ray Heating of the Warm Ionized Medium

Joshua Wiener, Ellen G. Zweibel, S. Peng Oh

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

[614] arXiv:1301.4447 [pdf, other]

Title: Extending the Hyades

Paul J. McMillan

Comments: 11 pages, 9 figures. MNRAS accepted

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

[615] arXiv:1301.4453 [pdf, other]

Title: Habitable Planets Eclipsing Brown Dwarfs: Strategies for Detection and Characterization

Adrian R. Belu, Franck Selsis, Sean N. Raymond, Enric Pallé, Rachel Street, D. K. Sahu, Kaspar Von Braun, Emeline Bolmont, Pedro Figueira, G. C. Anupama, Ignasi Ribas

Comments: v3: corrected Table 2 and Fig. 4. v2: additional references Sect. 2 par. 1 & end of Sect. 6. 12 pages, 5 figures, 2 tables, accepted to The Astrophysical Journal (ApJ)

Subjects: Earth and Planetary Astrophysics (astro-ph.EP); Instrumentation and Methods for Astrophysics (astro-ph.IM)

[616] arXiv:1301.4477 [pdf, other]

Title: VLT/XSHOOTER & Subaru/MOIRCS Spectroscopy of HUDF-YD3: No Evidence for Lyman-alpha Emission at z=8.55

Andrew J. Bunker (1), Joseph Caruana (1,2), Stephen M. Wilkins (1), Elizabeth R. Stanway (3,4)Silvio Lorenzoni (1), Mark Lacy (5), Matt J. Jarvis (1,6,7), Samantha Hickey (6) ((1) University of Oxford (2) Leibniz-Institut fur Astrophysik Potsdam (3) Bristol University (4) University of Warwick (5) NRAO (6) University of Hertfordshire (7) University of the Western Cape)

Comments: Accepted for publication in MNRAS

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

[617] arXiv:1301.4495 [pdf, other]

Title: Collapse and Fragmentation of Magnetic Molecular Cloud Cores with the Enzo AMR MHD Code. I. Uniform Density Sphere

Alan P. Boss, Sandra A. Keiser

Comments: 31 pages, 10 figures, 4 tables, in press, ApJ

Subjects: Solar and Stellar Astrophysics (astro-ph.SR); Astrophysics of Galaxies (astro-ph.GA)

[618] arXiv:1301.4496 [pdf, other]

Title: Panchromatic spectral energy distributions of Herschel sources

S. Berta, D. Lutz, P. Santini, S. Wuyts, D. Rosario, D. Brisbin, A. Cooray, A. Franceschini, C. Gruppioni, E. Hatziminaoglou, H. S. Hwang, E. Le Floc'h, B. Magnelli, R. Nordon, S. Oliver, M. J. Page, P. Popesso, L. Pozzetti, F. Pozzi, L. Riguccini, G. Rodighiero, I. Roseboom, Douglas Scott, M. Symeonidis, I. Valtchanov, M. Viero, L. Wang

Comments: Accepted for publication in A&A. Some figures are presented in low resolution. The new galaxy templates are available for download at the address this http URL

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

[619] arXiv:1301.4497 [pdf, other]

Title: The Strikingly Similar Relation between Satellite and Central Galaxies and Their Dark Matter Halos Since z=2

Douglas F. Watson (KICP/University of Chicago), Charlie Conroy (UC Santa Cruz)

Comments: 13 pages, 8 figures, Accepted to ApJ

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

[620] arXiv:1301.4498 [pdf, other]

Title: Nyx: A Massively Parallel AMR Code for Computational Cosmology

Ann Almgren, John Bell, Mike Lijewski, Zarija Lukić, Ethan Van Andel

Comments: Accepted for publication in The Astrophysical Journal

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

[621] arXiv:1301.4499 [pdf, other]

Title: NIFTY - Numerical Information Field Theory - a versatile Python library for signal inference

Marco Selig, Michael R. Bell, Henrik Junklewitz, Niels Oppermann, Martin Reinecke, Maksim Greiner, Carlos Pachajoa, Torsten A. Enßlin

Comments: 9 pages, 3 tables, 4 figures, accepted by Astronomy & Astrophysics; refereed version, 1 figure added, results unchanged

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); Information Theory (cs.IT); Mathematical Software (cs.MS); Mathematical Physics (math-ph); Data Analysis, Statistics and Probability (physics.data-an); Computation (stat.CO)

[622] arXiv:1301.4500 [pdf, other]

Title: Accretion Does Not Drive the Turbulence in Galactic Disks

Philip F. Hopkins (1), Dusan Keres (2), Norman Murray (3), ((1) Caltech/Berkeley, (2) UCSD, (3) CITA)

Comments: 7 pages, 3 figures, MNRAS accepted (revised to match published version)

Journal-ref: MNRAS, 432, 2639 (2013)

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

[623] arXiv:1301.4501 [pdf, other]

Title: All-Sky Analysis of the General Relativistic Galaxy Power Spectrum

Jaiyul Yoo, Vincent Desjacques

Comments: 19 pages, 5 figures, published in PRD

Journal-ref: Phys.Rev.D88:023502,2013

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

[624] arXiv:1301.4503 [pdf, other]

Title: Kepler's Optical Secondary Eclipse of HAT-P-7b and Probable Detection of Planet-Induced Stellar Gravity Darkening

Brett M. Morris, Avi M. Mandell, Drake Deming

Comments: 5 pages, 3 figures; accepted by ApJL on Jan 18, 2013

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

[625] arXiv:1301.4517 [pdf, other]

Title: Halo orbits in cosmological disk galaxies: tracers of formation history

Monica Valluri (U. Michigan), Victor P. Debattista (Jeremiah Horrocks, UCLan), Gregory S. Stinson (MPIA, Heidelberg), Jeremy Bailin (U. Alabama), Thomas R. Quinn (U. Washington), H. M. P. Couchman (McMaster U.), James Wadsley (McMaster U.)

Comments: Revised version accepted by ApJ, Feb 28th 2013. Minor changes, not affecting conclusions

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

[626] arXiv:1301.4520 [pdf, other]

Title: An improved sink particle algorithm for SPH simulations

D. A. Hubber, S. Walch, A. P. Whitworth

Comments: 16 pages, 6 figures, 3 tables, Accepted by MNRAS

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); Astrophysics of Galaxies (astro-ph.GA)

[627] arXiv:1301.4521 [pdf, other]

Title: The ACS Nearby Galaxy Survey Treasury XI. The Remarkably Undisturbed NGC 2403 Disk

Benjamin F. Williams, Julianne J. Dalcanton, Adrienne Stilp, Andrew Dolphin, Evan D. Skillman, David Radburn-Smith

Comments: 18 pages, 10 figures, 2 tables, accepted for publication in ApJ

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

[628] arXiv:1301.4522 [pdf, other]

Title: 3D mixing in hot Jupiter atmospheres. I. application to the day/night cold trap in HD 209458b

Vivien Parmentier, Adam P. Showman, Yuan Lian

Comments: Accepted in A&A in August 2013 this http URL

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

[629] arXiv:1301.4523 [pdf, other]

Title: On the Prompt Signals of Gamma Ray Bursts

Pisin Chen, Toshi Tajima, Yoshi Takahashi

Comments: 8 pages, 1 figure

Journal-ref: Gamma-Ray Bursts: 15 Years of GRB Afterglows 61, A.J. Castro-Tirado, J. Gorosabel and I.H. Park, ed., p95-102. (2013)

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

[630] arXiv:1301.4543 [pdf, other]

Title: The large scale magnetic fields of thin accretion disks

Xinwu Cao, H.C. Spruit

Comments: 9 pages, accepted by ApJ

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

[631] arXiv:1301.4549 [pdf, other]

Title: Enhanced Warm H2 Emission in the Compact Group Mid-Infrared "Green Valley"

M.E. Cluver, P.N. Appleton, P. Ogle, T.H. Jarrett, J. Rasmussen, U. Lisenfeld, P. Guillard, L. Verdes-Montenegro, R. Antonucci, T. Bitsakis, V. Charmandaris, F. Boulanger, E. Egami, C.K. Xu, M.S. Yun

Comments: 34 pages, 21 figures. Accepted for publication in ApJ

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

[632] arXiv:1301.4573 [pdf, other]

Title: Angular Momentum Transport by Acoustic Modes Generated in the Boundary Layer II: MHD Simulations

Mikhail A. Belyaev, Roman R. Rafikov, James. M. Stone

Comments: 34 pages, 15 figures, submitted to ApJ

Subjects: Solar and Stellar Astrophysics (astro-ph.SR); High Energy Astrophysical Phenomena (astro-ph.HE)

[633] arXiv:1301.4611 [pdf, other]

Title: A one-parameter formula for testing slow-roll dark energy: observational prospects

Zachary Slepian, J. Richard Gott III, Joel Zinn

Comments: 27 pages, 20 figures, 12 tables, accepted MNRAS 11 Nov. 2013 after revisions following referee report

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

[634] arXiv:1301.4617 [pdf, other]

Title: Three Parameters for the Horizontal-Branch Morphology in Globular Clusters

A. P. Milone

Comments: 4 pages, 4 figures, proceedings of the meeting "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

Subjects: Solar and Stellar Astrophysics (astro-ph.SR); Astrophysics of Galaxies (astro-ph.GA)

[635] arXiv:1301.4621 [pdf, other]

Title: Investigating the Core Morphology-Seyfert Class relationship with Hubble Space Telescope Archival Images of local Seyfert galaxies

M. J. Rutkowski, P. R. Hegel, Hwihyun Kim, Kazuyuki Tamura, R. A. Windhorst

Comments: Accepted for publication in the Astronomical Journal. All figures will be available in color, in complete form, in the online manuscript and are available in advance from the corresponding author (email:mjrutkow@asu.edu)

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

[636] arXiv:1301.4644 [pdf, other]

Title: Flares and variability from Sagittarius A*: five nights of simultaneous multi-wavelength observations

X. Haubois, K. Dodds-Eden, A. Weiss, T. Paumard, G. Perrin, Y. Clénet, S. Gillessen, P. Kervella, F. Eisenhauer, R. Genzel, D. Rouan

Comments: 10 pages, 7 figures, published in A&A

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

[637] arXiv:1301.4651 [pdf, other]

Title: Reconstructing the Subsurface Three-Dimensional Magnetic Structure of A Solar Active Region Using SDO/HMI Observations

Georgios Chintzoglou, Jie Zhang (School of Physics, Astronomy and Computational Sciences, George Mason University)

Comments: 11 pages, 4 figures and 2 online videos. Accepted to appear on Astrophysical Journal Letters (ApJL)

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

[638] arXiv:1301.4658 [pdf, other]

Title: Herschel-HIFI observations of high-J CO and isotopologues in star-forming regions: from low- to high-mass

I. San Jose-Garcia, J. C. Mottram, L. E. Kristensen, E. F. van Dishoeck, U. A. Yildiz, F. F. S. van der Tak, F. Herpin, R. Visser, C. McCoey, F. Wyrowski, J. Braine, D. Johnstone

Comments: Abridged abstract, 28 pages, 24 figures, 10 tables, accepted in Astronomy & Astrophysics

Subjects: Astrophysics of Galaxies (astro-ph.GA); Solar and Stellar Astrophysics (astro-ph.SR)

[639] arXiv:1301.4735 [pdf, other]

Title: AFGL 5157 NH$_3$: A new stellar cluster in the forming

Z. Jiang, Z. Chen, Y.Wang, J. Yang, J. Huang, Q. Zhang, G. Fazio

Comments: 10 pages, 6 figures

Subjects: Solar and Stellar Astrophysics (astro-ph.SR); Astrophysics of Galaxies (astro-ph.GA)

[640] arXiv:1301.4739 [pdf, other]

Title: A comparative study of optical/ultraviolet variability of narrow-line Seyfert 1 and broad-line Seyfert 1 active galactic nuclei

Y. L. Ai, W. Yuan, H. Zhou, T.G. Wang, X.-B. Dong, J. G. Wang, H. L. Lu

Comments: 53 pages, 13 figures, 3 tables, accepted for pulication in AJ

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

[641] arXiv:1301.4741 [pdf, other]

Title: Chemical evolution in star clusters: the role of mass and environment

Sarah L. Martell (AAO), Sonia Duffau (LSW/ZAH), Antonino P. Milone (IAC, ANU), Graeme H. Smith (UCO/Lick), Michael M. Briley (Appalachian State University), Eva K. Grebel (ARI/ZAH)

Comments: 5 pages, proceedings of the meeting "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

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

[642] arXiv:1301.4755 [pdf, other]

Title: A tool for the morphological classification of galaxies: the concentration index

Xin-Fa Deng

Comments: 13 pages, 9figures

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

[643] arXiv:1301.4757 [pdf, other]

Title: Nuclear Radio Jet from a Low-Luminosity Active Galactic Nucleus in NGC 4258

Akihiro Doi, Kotaro Kohno, Kouichiro Nakanishi, Seiji Kameno, Makoto Inoue, Kazuhiro Hada, Kazuo Sorai

Comments: 12 pages, 6 figures, 2 tables, accepted for publication in ApJ

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

[644] arXiv:1301.4758 [pdf, other]

Title: Very Long Baseline Array Imaging of Parsec-scale Radio Emissions in Nearby Radio-quiet Narrow-line Seyfert 1 Galaxies

Akihiro Doi, Keiichi Asada, Kenta Fujisawa, Hiroshi Nagai, Yoshiaki Hagiwara, Kiyoaki Wajima, Makoto Inoue

Comments: 12 pages, 3 figures, 3 tables, accepted for publication in ApJ

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

[645] arXiv:1301.4759 [pdf, other]

Title: Multifrequency VLBI Observations of the Broad Absorption Line Quasar J1020+4320: Recently Restarted Jet Activity?

Akihiro Doi, Yasuhiro Murata, Nanako Mochizuki, Hiroshi Takeuchi, Keiichi Asada, Takayuki J. Hayashi, Hiroshi Nagai, Katsunori M. Shibata, Tomoaki Oyama, Takaaki Jike, Kenta Fujisawa, Koichiro Sugiyama, Hideo Ogawa, Kimihiro Kimura, Mareki Honma, Hideyuki Kobayashi, Shoko Koyama

Comments: 7 pages, 2 figures, 2 tables, accepted for publication in PASJ

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

[646] arXiv:1301.4761 [pdf, other]

Title: Galactic Spiral Patterns and Dynamo Action II: Asymptotic Solutions

Luke Chamandy, Kandaswamy Subramanian, Anvar Shukurov

Comments: 17 pages, 10 figures, version accepted by MNRAS

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

[647] arXiv:1301.4766 [pdf, other]

Title: Can SGRs/AXPs originate from neutron star binaries?

J.Wang, H.-K. Chang

Comments: 8 pages, no figure, This paper has been withdrawn by the author due to some discussions needed to be added

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

[648] arXiv:1301.4782 [pdf, other]

Title: Jet precession in the active nucleus of M81. Ongoing VLBI monitoring

I. Marti-Vidal, J.M. Marcaide, A. Alberdi, A. Brunthaler

Comments: 6 pages, 3 figures. Proceedings of EVN meeting 2012

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

[649] arXiv:1301.4791 [pdf, other]

Title: Possible indication for non-zero neutrino mass and additional neutrino species from cosmological observations

R. A. Burenin (IKI, Moscow)

Comments: 10 pages, 8 figures, accepted for publication in Astronomy Letters

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

[650] arXiv:1301.4813 [pdf, other]

Title: Probing the nature of compact ultra-steep spectrum radio sources with the e-EVN and e-MERLIN

Megan K. Argo, Zsolt Paragi, Huub Röttgering, Hans-Rainer Klöckner, George Miley, Mehreen Mahmud

Comments: Five pages, two tables, one figure. Accepted to MNRAS Letters

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