The Daily Brew
Selected astro-ph abstracts for Tuesday 2009 May 19
- The effect of baryons on the variance and the skewness of the mass distribution in the universe at small scales.
T. Guillet, R. Teyssier, S. Colombi
arXiv:0905.2615v1
- The accretion disc in the quasar SDSS J0924+0219.
D. J. E. Floyd, N. F. Bate, R. L. Webster
arXiv:0905.2651v1
- The variability of Sagittarius A* at 3 millimeter.
Juan Li, Zhi-Qiang Shen, Atsushi Miyazaki, Lei Huang, R.J. Sault, Makoto Miyoshi, Masato Tsuboi, Takahiro Tsutsumi
arXiv:0905.2654v1
- Age crisis in $\Lambda$CDM model?.
Rong-Jia Yang, Shuang Nan Zhang
arXiv:0905.2683v1
- Hydrodynamical simulations of convection-related stellar micro-variability. II. The enigmatic granulation background of the COROT target HD49933.
H.-G. Ludwig, R. Samadi, M. Steffen, T. Appourchaux, F. Baudin, K. Belkacem, P. Boumier, M.-J. Goupil, E. Michel
arXiv:0905.2695v1
- Correlation of Black Hole-Bulge Masses by AGN Jets.
Noam Soker (Technion, Israel)
arXiv:0905.2702v1
- Clumpiness enhancement of charged cosmic rays from dark matter annihilation with Sommerfeld effect.
Qiang Yuan (1), Xiao-Jun Bi (2,1), Jia Liu (3), Peng-Fei Yin (3), Juan Zhang (1), Shou-Hua Zhu (3) ((1)Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, (2)Center for High Energy Physics, Peking University, (3)Institute of Theoretical Physics & State Key Laboratory of Nuclear Physics and Technology, Peking University)
arXiv:0905.2736v1
- Isotopic Titanium Abundances in Local M Dwarfs.
J. Chavez, D. L. Lambert
arXiv:0905.2762v1
- The Galaxy Major Merger Fraction to z ~ 1.
C. López-Sanjuan (1), M. Balcells (1), P. G. Pérez-González (2), G. Barro (2), C. E. García-Dabó (1,3), J. Gallego (2), J. Zamorano (2) ((1) IAC, Spain, (2) UCM, Spain, (3) ESO-Garching, Germany)
arXiv:0905.2765v1
- Extragalactic chemical abundances: do HII regions and young stars tell the same story? The case of the spiral galaxy NGC 300.
Fabio Bresolin (IfA, Hawaii), Wolfgang Gieren (Concepcion), Rolf-Peter Kudritzki (IfA, Hawaii), Grzegorz Pietrzynski (Concepcion), Miguel A. Urbaneja (IfA, Hawaii), Giovanni Carraro (ESO, Chile)
arXiv:0905.2791v1
- An intermediate black hole spin in the NLS1 galaxy SWIFT J2127.4+5654: chaotic accretion or spin energy extraction?.
G. Miniutti (1), F. Panessa (2), A. De Rosa (2), A.C. Fabian (3), A. Malizia (4), M. Molina (5), J.M. Miller (6), S. Vaughan (7) ((1) CAB, Madrid; (2) IASF/INAF, Roma; (3) IoA, Cambridge; (4) IASF/INAF, Bologna; (5) IASF/INAF, Milano; (6) Univ. of Michigan; (7) Univ. of Leicester)
arXiv:0905.2891v1
- Calibration of [O IV] 26 micron as a Measure of Intrinsic AGN Luminosity.
J. R. Rigby (1), A. M. Diamond-Stanic (2), G. Aniano (3) ((1) Carnegie Observatories, (2) University of Arizona, (3) Princeton University)
arXiv:0905.2956v1
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