Sciences and Exploration Directorate - NASA's Goddard Space Flight Center

Theoretical modeling of high energy astrophysics sources

Cosmic rays, gamma rays, x-rays... GRBs, AGN, pulsars, jets Results relevant to variety of high energy missions, including Swift, HETE, GLAST, XMM, Chandra	UHECR Spectra w/ Photomeson Production
Time-dependent GRB model spectra	Model HE emission from millisecond pulsar