The Daily Brew
Selected astro-ph abstracts for Monday February 21
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XMM-Newton and Gemini Observations of Eight RASSCALS Galaxy Groups
A. Mahdavi (Hawaii), A. Finoguenov (MPE), H. Boehringer (MPE), M. J.
Geller (SAO), and J. P. Henry (Hawaii)
astro-ph/0502362
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Microlensing optical depth toward the Galactic Bulge using bright
sources from OGLE-II
T. Sumi, P. R. Wozniak, A. Udalski, M. Szymanski, M. Kubiak, G.
Pietrzynski, I. Soszy nski, K. Zebrun, O.Szewczyk, L. Wyrzykowski & B.
Paczynski
astro-ph/0502363
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Can Enhanced Diffusion Improve Helioseismic Agreement for Solar Models
with Revised Abundances?
J. Guzik, L. S. Watson, A. Cox
astro-ph/0502364
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Discovery of an extended halo of stars in the Andromeda spiral galaxy
Puragra Guhathakurta, James C.Ostheimer, Karoline M.Gilbert, R.Michael
Rich, Steven R.Majewski, Jasonjot S.Kalirai, David B.Reitzel & Richard J.
Patterson
astro-ph/0502366
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An Exact Equilibrium Model of an Unbound Stellar System in a Tidal Field
M. Fellhauer (1), D.C. Heggie (2) ((1) Sternwarte University Bonn,
Germany; (2) School of Mathematics, University of Edinburgh, Scotland, UK)
astro-ph/0502374
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The Three-Dimensional Circumstellar Environment of SN 1987A
Ben E. K. Sugerman, Arlin P. S. Crotts, William E. Kunkel, Stephen R.
Heathcote, and Stephen S. Lawrence
astro-ph/0502378
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