... Chandra and the VLT Jointly Investigate the Cosmic X-RayBackground ... and Discover Very Distant Quasar of New Type . ... The 'Chandra Deep Field South' and the X-RayBackground . X-ray and optical surveys in the Chandra Deep Field South . ...
... Resolving the X-raybackground with Chandra: the 1 MS observation of the Chandra ... Resolving the Hard X-RayBackground in the Chandra Deep Field South", Deep Fields ...
... Chandra and the VLT Jointly Investigate the Cosmic X-RayBackground ... and Discover Very Distant Quasar of New Type . ... The 'Chandra Deep Field South' and the X-RayBackground . X-ray and optical surveys in the Chandra Deep Field South . ...
... Chandra and the VLT Jointly Investigate the Cosmic X-RayBackground ... and Discover Very Distant Quasar of New Type . ... The 'Chandra Deep Field South' and the X-RayBackground . X-ray and optical surveys in the Chandra Deep Field South . ...
... Chandra and the VLT Jointly Investigate the Cosmic X-RayBackground ... and Discover Very Distant Quasar of New Type . ... The 'Chandra Deep Field South' and the X-RayBackground . X-ray and optical surveys in the Chandra Deep Field South . ...
... contribution to the X-ray and -ray extragalactic backgrounds, P. Giommi, P. Padovani ... Star-Forming Galaxies and the X-RayBackground, R. E. Griffiths, P. Padovani, 1990 ...