Slide 1 Early results from the IRS Jim Houck and the IRS team - AAS Denver 6/1/04 Slide 2 IRS Status The hardware is working well: –The responsively is better than expected…

• • • • • GRB Prompt radiation mechanisms X-ray LC  progenitor star properties Outline† New Scenarios & Developments for Long GRBs Prompt Emission Models…

What’s New with Gamma-Ray Bursts Jay Norris * University of Denver, Visiting Stanford/SLAC GRB Bimodal Duration Distribution Redshifts, Look-back times, Distances Biggest…

AGILE detection of variable gamma-ray activity from the BL Lac S5 0716+714 during 2007 September - October observations F. DâAmmando 1,2, A. Chen 3, A. Bulgarelli 4, I.…

Deep X-Ray and Optical Observations of Quasar Jets Jonathan M. Gelbord (MIT) H.L. Marshall (MIT) D.A. Schwartz (SAO) D.M. Worrall & M. Birkinshaw (U. Bristol) J.E.J.…

Lecture 6: Gamma-Ray Bursts Light extinction: Infrared background Multiwavelength Cosmic Background� (z = 0.54) Extragalactic infrared background effect on blazar spectrum…

Deep X-Ray and Optical Observations of Quasar Jets J.M. Gelbord & H.L. Marshall (MIT) D.A. Schwartz (SAO) D.M. Worrall & M. Birkinshaw (U. Bristol) J.E.J. Lovell,…