![]() | ![]() |
Astron. Astrophys. 347, 203-211 (1999) AcknowledgementsThe data analysis reported here was carried out using facilities provided by PPARC, Starlink and the Open University Research Committee. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1999 Online publication: June 18, 1999 ![]() |