Session 24. Blazars

Oral, Tuesday, April 13, 1999, 4:30pm-6:02pm, Colonial Room

24.01-INV Jets in Active Galactic Nuclei

C. M. Urry (STScI)

24.02 Modeling the 1997 Mkn 501 Multiwavelength Data: Implications for the Infrared Background

P. Coppi, T. Maccarone (Yale University, New Haven, US), F.A. Aharonian, H. Krawczynski (Max-Planck-Institut f\"ur Kernphysik, Heidelberg, Germany)

24.03 Shock Acceleration in Blazar Jets

A. Mastichiadis (Physics Department, University of Athens, Athens, Greece), J.G. Kirk (Max-Planc-Institut fuer Kernphysik, Heidelberg, Germany)

24.04 Mkn~421 1998 BeppoSAX observation: simultaneous X--ray/TeV flare on timescale of hours, and X--ray spectral variability

G. Fossati (CASS/UCSD), A. Celotti (SISSA-ISAS, Trieste, Italy), L. Chiappetti (IFCTR/CNR, Milano, Italy), L. Maraschi (Brera Astron. Obs., Milano, Italy)

24.05 Study of the Temporal and Spectral Characteristics of the TeV Gamma-Radiation from Mkn 501 and Mkn 421 with the HEGRA System of Imaging Atmospheric Cherenkov Telescopes

H. Krawczynski (Max-Planck-Institut f\"ur Kernphysik, Heidelberg, Germany), HEGRA Collaboration

24.06 New High-Energy Results for the Gamma-Ray Blazar PKS 0208-512

J.G. Stacy (LSU \& SUBR), W.T. Vestrand (UNH), P. Sreekumar (NASA/GSFC \& USRA), S.C. Kappadath (LSU), J.J. Blom (SRON-Utrecht)

24.07 Intergalactic Extinction of High Energy Gamma-Rays

F.W. Stecker (NASA/GSFC)