High-Energy gamma-Ray Source

R. D. Wills, ESTEC, Noordwijk, The Netherlands, communicates: "The Caravane Collaboration reports the detection by the European Space Agency's satellite COS B of a high-energy gamma-ray excess above the emission from the galactic disk consistent with a localized source at l = 136o +/- 2o, b = +1o +/- 2o. The intensity above 70 MeV was ~ 2 x 10**-6 ph cm**-2 s**-1, and the flux, averaged over 30h intervals, remained constant. This preliminary result is based on analysis of data obtained during June 24-July 24. It is noted that the weak x-ray source 3U 0258+60 is located in the error box. Investigation of the region at other wavelengths would be useful."