Date Speaker Institution Host Title 01/01/98 New Year's day 01/08/98 AAS this week 01/15/98 J. Herrnstein NRAO Uson Recent Results from NGC4258 -- Cancelled (Illness, try to reschedule) 01/22/98 J. Wiseman NRAO Uson Protostellar Outflows and Massive Star Formation 01/29/98 ------------------------------------------------- 02/05/98 ------------------------------------------------- 02/12/98 F. Briggs Groningen Vanden Bout Neutral Gas over Cosmic Time 02/19/98 D. Frail NRAO Hogg Shock Excited Maser Emission From Supernova Remnants 02/26/98 Q. Zhang NRAO Wootten Infall and disks in high-mass star forming regions 03/05/98 T. Thuan UVA Uson Young Dwarf Galaxies 03/12/98 I. Yi IAS Uson Radio/X-ray Emission in X-ray Bright Galactic Nuclei: Advection-Dominated Accretion Flows and Origin of Radio Activities 03/19/98 A. Wolfe UCSD Uson Kinematics of Protogalaxies 03/26/98 M. Hauser STScI Uson The COBE Search for the Cosmic Infrared Background 04/02/98 04/09/98 Easter week 04/16/98 K. Johnston NRL Brown The Navy Prototype Optical Interferometer 04/22/98 * R. Hjellming NRAO Roberts Relativistic Radio Jets from Galactic X-ray Sources 04/23/98 R. Mushotzky NASA/GSFC Uson Cosmological Implications of X-ray Observations of Groups and Clusters 04/29/98 * T. Prince Caltech Kellermann TBA 05/07/98 R. vanderMarel STSci Hibbard Insights into galactic nuclei from HST 05/14/98 T. Bastian NRAO Uson Solar Flares: Hard X-ray and Microwave Timing 05/21/98 M. Barsony UC Riverside Wiseman Protostellar Outflows: Great and Small 05/28/98 ---------------------------------- Summer break ---------------------------------- 06/04/98 Summer slumber 06/11/98 Summer slumber 06/18/98 Summer slumber 06/25/98 Summer slumber 07/02/98 Summer slumber 07/09/98 Daniel Dale Cornell Uson Seeking the Local Convergence Depth 07/15/98 * Bob Sanders Groningen Liszt Non-Newtonian dynamics at low accelerations 07/16/98 Summer slumber 07/23/98 Summer slumber 07/30/98 Doris Neumann Saclay Sarazin What Can We Learn from X-Ray Surface Brightness Profiles of Clusters of Galaxies? 08/06/98 Summer slumber 08/13/98 Summer slumber 08/20/98 Summer slumber 08/27/98 Summer slumber 09/03/98 Summer slumber 09/10/98 Summer slumber 09/11/98 At UVA-Physics room 204 V. Radhakrishnan RRI/UvA Kellermann Locomotion: Dealing with Friction 09/17/98 V. Radhakrishnan RRI/UvA Kellermann Noise and Interferometry rad@astro.uva.nl, rad@rri.ernet.in 09/24/98 W. Erickson Maryland Kellermann From Here to Eternity 10/01/98 ----------- 10/08/98 L. Looney UMd Wootten Unveiling the Envelope and Disk: A Sub-Arcsecond Survey of Young Stellar Systems 10/15/98 L. Matthews NRAO Uson Young Galaxies in the Nearby Universe: Properties of Extreme Late-type Spirals and the Extraordinary Spiral Galaxy UGC7321 10/20/98* B. Burke MIT Vanden Bout Jansky Lecture 10/22/98 No colloquium, Jansky week 10/29/98 D. Merritt Rutgers Uson Black Holes and Galaxies 11/05/98 J. Mather NASA-Goddard Wootten SPECS 11/06/98* F. Mirabel CEA Saclay Kellermann A Barred Spiral at the Centre of Centaurus A 11/12/98 J. Herrnstein NRAO Beasley Estimating the Accretion Rate in NGC 4258 11/19/98 J. Stil Leiden Matthews The faint end of the Tully-Fisher relation 11/26/98 Thanksgiving 12/03/98 E. Wollack NASA Goddard Uson MAP 12/10/98 J. Gallimore NRAO Uson Where are the obscuring disks in active galaxies? 12/17/98 Recess 12/24/98 Holiday 12/31/98 Holiday