Columbia University 
Astronomy and Astrophysics

Spring 1998, Wednesdays, 4:10pm, Pupin 1332
a formal talk given by an invited speaker on his or her research efforts
(tea and cookies, 3:45pm, just outside Pupin 1332)
date title (or topic) speaker
January 20 "Measuring Feedback and Understanding Its Role in Galaxy Formation and Evolution" Crystal Martin (STScI)
January 27 "What Have We Learnt from GRB Afterglows?" Tsvi Piran (Hebrew U.)
February 3-25, March 3-10 To Be Scheduled (in conjunction with Dept. of Astronomy faculty search) To Be Scheduled
March 24 "The Zero Redshift Frontier: The HST Quasar Absorption Line Key Project" Buell Jannuzi (NOAO)
Monday, March 29, at NOON "Large-Scale Structure in Virtual Worlds: A Status Report" Augustus Evrard (Michigan)
April 7 "High Proper Motion Stars in the Vicinity of Sgr A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy" Andrea Ghez (UCLA)
April 14 "Gamma Ray Bursters: New(s) Flashes" Ralph Wijers (SUNY Stony Brook)
April 21 "Anisotropies in the Cosmic Infrared Background from COBE DIRBE and Early Galaxy Evolution" Alexander Kashlinsky (Goddard SFC)
April 28 "Beyond Kepler: Pulsar Timing, Relativity and Exotic Binaries" Steve Thorsett (Princeton)
May 5 "Damped Lyman Alpha Absorbers as Probes of Galaxy Formation" Art Wolfe (UCSD)
May 12 "Star Formation in a Closed System between z=4 and z=1" George Wallerstein (Washington)
organized by Arlin Crotts (arlin@astro), Charles Liu (cliu@astro),
Laura Kay (kay@astro), and James Applegate (jha@astro),

Last Semester's Colloquium Schedule

1999 January 19