The Daily Brew
Selected astro-ph abstracts for Friday October 6
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Present and future evidence for evolving dark energy
Andrew R Liddle, Pia Mukherjee, David Parkinson, and Yun Wang
Comments: 10 pages RevTex4, 3 figures included
astro-ph/0610126
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Optimal Surveys for Weak Lensing Tomography
Adam Amara & Alexandre Refregier (Service d'Astrophysique, CEA)
Comments: Submitted to MNRAS. 10 pages, including 13 figures and 2 tables
astro-ph/0610127
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Bayesian Single-Epoch Photometric Classification of Supernovae
Dovi Poznanski, Dan Maoz, and Avishay Gal-Yam
Comments: AJ submitted
astro-ph/0610129
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Probing the Dark Matter and Gas Fraction in Relaxed Galaxy Groups with
X-ray observations from Chandra and XMM
Fabio Gastaldello (1), David A. Buote (1), Philip J. Humphrey (1),
Luca Zappacosta (1), James S. Bullock (1), Fabrizio Brighenti (2,3), William
G. Mathews (2) ((1) UC Irvine, (2) UC Santa Cruz, (3) Bologna)
Comments: 26 pages, 8 figures, ApJ submitted
astro-ph/0610134
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The X-Ray Concentration-Virial Mass Relation
David A. Buote (1), Fabio Gastaldello (1), Philip J. Humphrey (1),
Luca Zappacosta (1), James S. Bullock (1), Fabrizio Brighenti (2,3), William
G. Mathews (2) ((1) UC Irvine, (2) UC Santa Cruz, (3) Bologna)
Comments: 12 pages, 4 figures, ApJ, submitted
astro-ph/0610135
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Type Ia SNe along redshift: the R(Si II) ratio and the expansion
velocities in intermediate z supernovae
G. Altavilla, P. Ruiz-Lapuente, A. Balastegui, J. Mendez, M. Irwin, C.
Espana-Bonet, K. Schamaneche, C. Balland, R.S. Ellis, S. Fabbro, G.
Folatelli, A. Goobar, W. Hillebrandt, R.M. McMahon, M. Mouchet, A. Mourao, S.
Nobili, R. Pain, V. Stanishev, N.A. Walton
Comments: 55 pages, 22 figures, submitted to The Astrophysical Journal (figures
reduced for astro-ph)
astro-ph/0610143
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SDSS J160531.84+174826.1: A Dwarf Disk Galaxy With An Intermediate-Mass
Black Hole
Xiaobo Dong (1,2), Tinggui Wang (1,2), Weimin Yuan (3), Hongguang Shan
(3), Hongyan Zhou (1,2,4), Lulu Fan (1,2), Liming Dou (3), Huiyuan Wang
(1,2), Junxian Wang (1,2), and Honglin Lu (1,2) ((1) University of Science
and Technology of China (USTC), (2) Joint Institute of Galaxies and
Cosmology, Shanghai Observatory and USTC, (3) National Astronomical
Observatories/Yunnan Observatory, Chinese Academy of Sciences, (4) University
of Florida)
astro-ph/0610145
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K-band polarimetry of an Sgr A* flare with a clear sub-flare structure
L. Meyer, R. Schoedel, A. Eckart, V. Karas, M. Dovciak, W. J. Duschl
Comments: accepted by A&A Letters for publication; 5 pages, 9 figures
astro-ph/0610147
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A limit on the presence of Earth-mass planets around a Sun-like star
Eric Agol (University of Washington) Jason H. Steffen (Fermilab)
Comments: Accepted for publication in MNRAS. 16 pages, 9 figures
Report-no: FERMILAB-PUB-06-279-A-CD
astro-ph/0610159
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