|
|||||
|
|
The XMM–Newton/2dF survey – IV. The X-ray spectral properties of the hard sources |
|
| Authors: | I. Georgantopoulos A. Georgakakis A. Akylas G. C. Stewart O. Giannakis T. Shanks S. Kitsionas |
| Affiliation: | Institute of Astronomy and Astrophysics, National Observatory of Athens, I. Metaxa &B. Pavlou, Penteli, 15236 Athens, Greece;Physics Department, University of Athens, Panepistimiopolis, Zografos, 15783 Athens, Greece;Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH;Physics Department, South Road, Durham DH1 3LE |
| Abstract: | |
| Keywords: | galaxies: active quasars: general X-rays: general |