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Astron. Astrophys. 338, 386-398 (1998) AcknowledgementsWe are grateful to Suzy Collin for many helpful discussions and detailed comments on the manuscript. We thank Piotr Z_ycki for his help with the high energy reflection code. This work was partially supported by grant 2P03D00410 of the Polish State Committee for Scientific Research and by Jumelage/CNRS No 16 "Astronomie France/Pologne". ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1998 Online publication: September 14, 1998 ![]() |