- Antonucci, R. 1993, ARA&A, 31, 473 [NASA ADS] [CrossRef] [Google Scholar]
- Arnaud, K. A. 1996, Astronomical Data Analysis Software and Systems V, ed. G. Jacoby, & J. Barnes, ASP Conf. Ser., 101, 17 [Google Scholar]
- Barlow, R. J. 1989, Statistics: a guide to the use of statistical methods in the physical sciences (J. Wiley & Sons) [Google Scholar]
- D'Agostini, G. 2005 [arXiv:physics/0511182] [Google Scholar]
- Fossati, G., Celotti, A., Chiaberge, M., et al. 2000a, ApJ, 541, 153 [NASA ADS] [CrossRef] [Google Scholar]
- Fossati, G., Celotti, A., Chiaberge, M., et al. 2000b, ApJ, 541, 166 [NASA ADS] [CrossRef] [Google Scholar]
- Jones, T. W., O'Dell, S. L., & Stein, W. A. 1974, ApJ, 188, 353 [NASA ADS] [CrossRef] [Google Scholar]
- Ghisellini, G., & Maraschi, L. 1989, ApJ, 340, 181 [NASA ADS] [CrossRef] [Google Scholar]
- Guetta, D., Ghisellini, G., Lazzati, D., & Celotti, A. 2004, A&A, 421, 877 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
- Guidorzi, C., et al. 2005, MNRAS, 371, 843 [NASA ADS] [CrossRef] [Google Scholar]
- Kardashev, N. S. 1962, SvA, 6, 317 [NASA ADS] [Google Scholar]
- Kendall, M., & Stuart, A. 1979, The Advanced Theory of Statistics (New York: Mac Millan) [Google Scholar]
- Ioka, K., & Nakamura, T. 2002, ApJ, 570, 21 [NASA ADS] [CrossRef] [Google Scholar]
- Landau, R., Golish, B., Jones, T. J., et al. 1986, ApJ, 308, L78 [NASA ADS] [CrossRef] [Google Scholar]
- Lin, Y. C., Bertsch, D. L., Chiang, J., et al. 1992, ApJ, 401, L61 [NASA ADS] [CrossRef] [Google Scholar]
- Lockman, F. J., & Savage, B. D. 1995, ApJS, 97, 1 [NASA ADS] [CrossRef] [Google Scholar]
- Loiseau, N., et al. 2004, User's guide to the XMM-Newton Science Analysis System (issue 3.1) [Google Scholar]
- Maraschi, L., Fossati, G., Tavecchio, F., et al. 1999, ApJ, 526, 81 [NASA ADS] [CrossRef] [PubMed] [Google Scholar]
- Massaro, E., Perri, M., Giommi, P., et al. 2004, A&A, 422, 103 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
- Massaro, E., Tramacere, A., Perri, M., et al. 2006, A&A, 448, 861 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
- Padovani, P., & Giommi, P. 1995, MNRAS, 277, 1477 [NASA ADS] [CrossRef] [Google Scholar]
- Punch, M., Akerlof, C. W., Cawley, M. F., et al. 1992, Nature, 358, 477 [NASA ADS] [CrossRef] [Google Scholar]
- Petry, D., Bradbury, S. M., Konopelko, A., et al. 1996, A&A, 311, L13 [NASA ADS] [Google Scholar]
- Ravasio, M., Tagliaferri, G., Ghisellini, G., et al. 2004, A&A, 424, 841 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
- Rybicki, G. B., & Lightman, A. P. 1979, Radiative Processes in Astrophysics (New York: Wiley) [Google Scholar]
- Sembay, S., Edelson, R., Markowitz, A., et al. 2002, ApJ, 574, 634 [NASA ADS] [CrossRef] [Google Scholar]
- Snowden, S., et al. 2004, The XMM-Newton ABC Guide (version 2.01) [Google Scholar]
- Struder, L., Briel, U., Dennerl, K., et al. 2001, A&A, 365, L18 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
- Tanihata, C., Urry, C. M., Takahashi, T., et al. 2001, ApJ, 563, 569 [NASA ADS] [CrossRef] [Google Scholar]
- Tanihata, C., Takahashi, T., & Kataoka, J. 2003, ApJ, 584, 153 [NASA ADS] [CrossRef] [Google Scholar]
- Tanihata, C., Kataoka, J., Takahashi, T., et al. 2004, ApJ, 601, 759 [NASA ADS] [CrossRef] [Google Scholar]
- Turner, M. L. J., Abbey, A., Arnaud, M., et al. 2001, A&A, 365, L27 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
- Urry, C. M., & Padovani, P. 1995, PASP, 107, 803 [NASA ADS] [CrossRef] [Google Scholar]
- Urry, C. M., Scarpa, R., O'Dowd, M., et al. 2000, ApJ, 532, 816 [NASA ADS] [CrossRef] [Google Scholar]
- Tramacere, A., Giommi, P., Massaro, E., et al. 2006a, A&A, submitted [Google Scholar]
- Tramacere, A., & Massaro, E. 2006b, A&A, in preparation [Google Scholar]
Free Access
| Issue |
A&A
Volume 466, Number 2, May I 2007
|
|
|---|---|---|
| Page(s) | 521 - 529 | |
| Section | Extragalactic astronomy | |
| DOI | https://doi.org/10.1051/0004-6361:20066723 | |
| Published online | 12 February 2007 | |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.