High Energy Gamma Ray Sources Near the Galactic Plane for Longitudes $\bf 330^\circ<l<60^\circ$

Session 4 -- Gamma Ray Astrophysics
Display presentation, Wednesday, January 12, 9:30-6:45, Salons I/II Room (Crystal Gateway)

[4.05] High Energy Gamma Ray Sources Near the Galactic Plane for Longitudes 330^\circ < l < 60 ^\circ

D.L. Bertsch, C.E. Fichtel, R.C. Hartman, S.D. Hunter, D.J. Thompson (NASA/GSFC), B.L. Dingus, J.A. Esposito, P. Sreekumar (USRA/GSFC), G. Kanbach, H.A. Mayer-Hasselwander, C. von Montigny (MPE), Y.C. Lin, P.F. Michelson, P.L. Nolan (Stanford), D.A. Kniffen (Hampden-Sydney), J.R. Mattox (CSC/GSFC), E.J. Schneid (Grumman)

The region within $10^\circ$ of the Galactic Plane at longitudes $l>330^\circ$ and $l<60^\circ$ is the most intense portion of the sky in high energy gamma rays. Most of the emission here arises from cosmic ray interactions with ambient matter, and a model of the diffuse emission was developed and used to aid in analysis of EGRET data for point sources. When a likelihood analysis of EGRET observations including sources and diffuse emission is made, several localized regions, consistent with point source emission are found. These sources include the pulsar PSR B1706-44, unidentified source GRO J1758-23 (=2CG006-00), and eleven probable sources, also unidentified. A compilation of sources, their energy spectra and information about time variability for this region of the Galactic plane will be presented.

Wednesday program listing