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Table 2

Spectroscopy with the MPG/ESO 2.2 m telescope equipped with EFOSC2 as detector.

Dates Band Resol. Num- Expos. Total State
(Å) (Å) ber (min) time

4 Sep. 1991 3491–5452 8 20 10 4.0 h moderately
5 Sep. 1991 3200–8975 25 14 7 2.1 h high
11 Nov. 1995 3800–9120 25 1 20 0.4 h intermediate
29 Nov. 1995 3800–9120 25 8/7 18/5 3.3 h intermediate

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