The Daily Brew
Selected astro-ph abstracts for Wednesday July 21
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Fate of Supermassive Black Holes and Evolution of the M(BH)-sigma
Relation in Merging Galaxies: The Effect of Gaseous Dissipation
Stelios Kazantzidis (1), Lucio Mayer (1), Monica Colpi (2), Piero
Madau (3), Victor P. Debattista (4), Ben Moore (1), James Wadsley (5),
Joachim Stadel (1), Thomas Quinn (6) ((1) University of Zurich, (2)
University of Milano Bicocca, (3) UC Santa Cruz, (4) ETH Honggerberg, Zurich,
(5) McMaster University, (6) University of Washington)
astro-ph/0407407
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Luminosity functions of Lyman-alpha emitters at z=6.5, and z=5.7:
evidence against reionization at z=6
Sangeeta Malhotra and James Rhoads
astro-ph/0407408
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A Galaxy at z = 6.545 and Constraints on the Epoch of Reionization
Daniel Stern (1), Sarah A. Yost (2), Megan E. Eckart (2), Fiona A.
Harrison (2), David J. Helfand (3), S.G. Djorgovski (2), Sangeeta Malhotra
(4), James E. Rhoads (4) ((1) JPL/Caltech, (2) Caltech, (3) Columbia, (4)
STScI)
astro-ph/0407409
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Is there any evidence for extra-dimensions or quantum gravity effects
from the delayed MeV-GeV photons in GRB 940217?
K. S. Cheng, T. Harko
astro-ph/0407416
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Constraints on extra-dimensions and variable constants from cosmological
gamma ray bursts
T. Harko, K. S. Cheng
astro-ph/0407417
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A first-overtone RR Lyrae star with cyclic period changes
A. Derekas, L.L. Kiss, A. Udalski, T.R. Bedding, K. Szatmary
astro-ph/0407420
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Secular Evolution and the Growth of Pseudobulges in Disk Galaxies
John Kormendy and Mark E. Cornell
astro-ph/0407434
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