Session 4. Intergalactic Medium

Display, Wednesday, January 6, 1999, 9:20am-6:30pm, Exhibit Hall 1

4.01 A Population of Low Metallicity Lyman Alpha Forest Clouds at z~

K.A. Knierman, J.R. Rigby, C.W. Churchill (Penn State)

4.02 The Size Evolution of Ly \alpha Forest Absorbers from z>3 to z<1

A.P.S. Crotts (Columbia U.), J. Bechtold (U.~of Arizona)

4.03 A Re-analysis of Spectra from a Close Grouping of Quasars

R.M. Elowitz (Univ. of Arizona)

4.04 STIS Spectroscopy of Q0302-003: The HeII Gunn Peterson Effect

S.R. Heap (NASA/GSFC), I. Hubeny (NOAO/GSFC), E. B. Jenkins (Princeton), M. S. Sahu (NOAO/GSFC), A. Smette (NOAO/GSFC), T. M. Tripp (Princeton), G. M. Williger (NOAO/GSFC), HST/STIS IDT

4.05 The Properties of Weak Mg II Absorbers

J.R. Rigby, C.W. Churchill, J.C. Charlton (Penn State)

4.06 Scaling Relations and Heating of Intracluster and Intragroup Media

M. Loewenstein (NASA/GSFC)

4.07 A Starburst Triggered by High Velocity Intruder/Intragroup-Medium Collision in Stephan's Quintet

Cong Xu (IPAC, Caltech), Jack Sulentic (U. Alabama), Richard Tuffs (Max-Planck-Institute for Nuclearphysics, Germany)

4.08 VLBI Observations of Redshifted HI Absorption Systems at z = 0.2--1

C.B. Moore (Kapteyn Institute), R.C. Vermeulen (NFRA), C.L. Carilli (NRAO Socorro), F.H. Briggs (Kapteyn Institute), I.A.W. Browne (Jodrell Bank), G. de Bruyn (NFRA), J.E. Conway (Onsala), S.T. Garrington (Jodrell Bank), A.J. Kus (Torun), K.M. Menten (MPIfR, Bonn)

4.09 The Damped Lyman-alpha absorbers at z=0.0912 and z=0.2212 towards the QSO B0738+313

W. M. Lane, F. H. Briggs (Kapteyn Astronomical Institute), D. A. Turnshek, S. M. Rao (University of Pittsburgh)