A multi-wavelength search for a counterpart of the unidentified γ-ray source 3 EG J 2020 + 4017 ( 2 CG 078 + 2 )

In search of the counterpart to the brightest unidentified gamma-ray source 3EG J2020+4017 (2CG078+2) we report on new X-ray and radio observations of the γ-Cygni field with the Chandra X-ray Observatory and with the Green Bank Telescope (GBT). We also report on reanalysis of archival ROSAT data. With Chandra it became possible for the first time to measure… CONTINUE READING