Session 21. Galaxies and Cosmology

Oral, Monday, 2:00-3:30pm, May 30, 2005, 102 E

21.01 The Accretion Origin of a Vast Extended Stellar Disk around the Andromeda Galaxy: Discovery of a New Component of Galaxies?

S.C. Chapman (Caltech), R. Ibata (Observatoire de Strasbourg), A. Ferguson (ROE, Edinburgh), M. Irwin (IoA, Cambridge), G. Lewis (IoA, University of Sydney), N. Tanvir (Univ. of Hertfordshire)

21.02 HST Imaging of Ongoing Ram Pressure Stripping in the Virgo Spiral NGC 4522

J. Kenney (Yale U.), T. Tal (Ben-Gurion U.), A. Abramson (Yale U.)

21.03 Recent Results Concerning the Variability of AGN Warm Absorbers

R. R. Gibson, H. L. Marshall, A. J. Young, C. R. Canizares (MIT CSR), J. C. Lee (Harvard-Smithsonian CfA)

21.04 Multiwavelength Observations of 1ES 1959+650 in 2003, One Year After the Strong 2002 Outburst

K. Gutierrez (WUSTL), J. Grube (Leeds), H. Krawczynski (WUSTL), M. Aller, H. Aller (UMRAO), P. Charlot, J.-F. Le Campion (Bordeaux Obs), VERITAS Collaboration

21.05 Indirect Observations of the Dark Matter at TeV Gamma-Ray Energies

J. Hall (Utah High Energy Astrophysics Institute)

21.06 High-l CMB Power Spectrum from ACBAR: New Results, Observation Status, And Future Prospects

C. L. Kuo (JPL/Caltech), P. Ade (Cardiff), J. J. Bock (JPL/Caltech), M.D. Daub (Berkeley), J.H. Goldstein (CWRU), W.L. Holzapfel (Berkeley), A.E. Lange (Caltech), M. Lueker, M. Newcomb (Berkeley), J.B. Peterson (CMU), C. Reichardt (Caltech), J. Ruhl (CWRU), M.C. Runyan (Chicago), Z. Staniszweski (CWRU)

21.07 EXO's Near and Far: Constraining AGN Numbers at the Highest Redshifts

A. M. Koekemoer (STScI), GOODS Team

21.08 Probing Dark Energy using the X-ray gas mass fraction in galaxy clusters.

S.W. Allen (KIPAC), R.W. Schmidt (Heidelberg), H. Ebeling (Univeristy of Hawaii), D. A. Rapetti (University of Barcelona), J. Weller (Fermilab), L. van Speybroeck (CfA)

21.09 Lyman-alpha emitting galaxies as probes of reionization

S. Malhotra, J. E. Rhoads (STScI)