Position and Structure of the X-Ray source in Cen A measured with the Modulation Collimator on HEAO-1 Doxsey, R. ; Bradt, H. ; Gursky, H. ; Schwartz, D. A. ; Schwarz, J. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1978 Bibcode: 1978BAAS...10..390D