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Astron. Astrophys. 321, L17-L20 (1997) 2. ObservationsSpectra covering 3700-10150 Å at a resolution of about 30,000 were obtained with the 2.7 m telescope at McDonald Observatory on May 5 and 6 and on October 7, 1996. A spectrum was also obtained with the 2.1 m telescope: this spectrum from May 9, 1996, covers the region 5720 Å to 7200 Å at a resolution of about 60,000. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1997 Online publication: June 30, 1998 ![]() |