Table 5: Log of spectroscopic observations. Some representative spectra are displayed in Fig. 2 (marked with *).
Date Tel Configuration Detector $\lambda $ Range EW of H$\alpha $
        (Å) (Å)
May 28, 1986(*) INT IDS + 500 mm GEC1 6450-6830 $-5.87\pm0.17$
Jul. 26, 1986(*) INT IDS + 500 mm GEC1 6495-6695 $-3.40\pm0.20$
Aug. 03, 1986 INT IDS + 235 mm IPCS 6010-7020 $-5.20\pm1.50$
Aug. 04, 1986 INT IDS + 235 mm IPCS 6010-7020 $-6.00\pm0.90$
Sep. 07, 1986 INT IDS + 235 mm GEC1 4000-8000  
Oct. 09, 1986(*) INT IDS + 500 mm GEC1 6465-6665 $-7.30\pm0.40$
Dec. 24, 1986(*) INT IDS + 500 mm GEC1 6250-6875 $-1.30\pm0.11$
Jun. 12, 1987 INT IDS + 235 mm GEC1 6330-6770 $-1.62\pm0.18$
Jun. 20, 1987 INT IDS + 235 mm GEC1 6080-6900 $-1.47\pm0.21$
Aug. 13, 1987(*) INT IDS + 500 mm GEC1 6375-6765 $-2.10\pm0.21$
Aug. 28, 1987 INT IDS + 235 mm GEC1 6340-6770 $-2.19\pm0.22$
Sep. 08, 1987 INT IDS + 500 mm GEC1 6340-6730 $-2.01\pm0.12$
May 19, 1988 INT IDS + 500 mm IPCS 6240-6720 $-1.31\pm0.19$
Aug. 02, 1988(*) INT IDS + 235 mm GEC4 6230-6860 $-2.90\pm0.40$
Sep. 26, 1988 INT IDS + 500 mm GEC4 6455-6655 $-1.49\pm0.25$
Oct. 12, 1988 INT IDS + 500 mm GEC4 6325-6950 $-0.96\pm0.17$
Jun. 02, 1989 INT IDS + 235 mm IPCS 6230-6875 $-1.80\pm0.40$
Jun. 11, 1989 INT IDS + 235 mm IPCS 5970-7010 $-2.10\pm0.60$
Jul. 31, 1989(*) INT IDS + 235 mm IPCS 6205-6870 $-1.54\pm0.30$
Jul. 24, 1990 INT IDS + 235 mm GEC6 6350-6780 $-2.83\pm0.26$
Sep. 02, 1990 INT IDS + 235 mm GEC6 6345-6775 $-2.55\pm0.38$
Dec. 27, 1990 INT IDS + 500 mm GEC6 6470-6670 $-3.20\pm0.30$
Aug. 28, 1991(*) INT IDS + 500 mm GEC6 6480-6680 $-1.12\pm0.18$
May 18, 1992(*) PAL f/8.75 Cass CCD9 6255-6938 $+1.38\pm0.13$
May 19, 1992 PAL f/8.75 Cass CCD9 6522-6663 $+0.13\pm0.05$
Aug. 16, 1992(*) PAL f/8.75 Cass CCD9 6255-6930 $-2.30\pm0.40$
Aug. 17, 1992 PAL f/8.75 Cass CCD9 6255-6930 $-2.14\pm0.30$
Aug. 18, 1992 PAL f/8.75 Cass CCD9 6255-6930 $-2.23\pm0.30$
Sep. 23, 1993(*) PAL f/8.75 Cass CCD9 6280-6960 $-1.78\pm0.30$
Dec. 05, 1993 PAL f/8.75 Cass CCD9 6259-6936 $-1.64\pm0.19$
Dec. 06, 1993 PAL f/8.75 Cass CCD9 4300-5000  
Dec. 07, 1993 PAL f/8.75 Cass CCD9 6260-6940 $-1.69\pm0.15$
Mar. 26, 1994 JKT RBS EEV7 5700-6710 $-0.88\pm0.18$
Mar. 27, 1994 JKT RBS EEV7 5700-6710 $-0.87\pm0.15$
Jun. 25, 1994 JKT RBS EEV7 4200-5200  
Jun. 26, 1994 JKT RBS EEV7 6070-7040 $-1.19\pm0.21$
Jun. 27, 1994 JKT RBS EEV7 4200-5200  
Sep. 16, 1994(*) JKT RBS EEV7 5825-6890 $-2.28\pm0.24$
Sep. 16, 1994 JKT RBS EEV7 8100-9100  
Sep. 17, 1994 JKT RBS EEV7 3900-4950  
Jul. 11, 1995 INT IDS + 235 mm TEK3 4080-4940  
Jul. 12, 1995(*) INT IDS + 235 mm TEK3 6430-7286 $-2.00\pm0.30$
Aug. 04, 1995 JKT RBS TEK4 6360-7265 $-2.20\pm0.40$
Aug. 04, 1995 JKT RBS TEK4 8200-9000  
Aug. 05, 1995 JKT RBS TEK4 4100-5050  
Aug. 06, 1995 JKT RBS TEK4 6420-6755 $-1.51\pm0.25$
Aug. 07, 1995 JKT RBS TEK4 4000-4450  
Sep. 22, 1995 CRAO Coude EEV15-11 4400-4950  
Nov. 29, 1995 JKT RBS TEK4 6100-6900 $-2.30\pm0.40$
Jun. 30, 1997 CRAO Coude EEV15-11 4200-5100  
Oct. 26, 1997 JKT RBS TEK4 5904-6818 $-1.77\pm0.32$
Oct. 27, 1997 JKT RBS TEK4 8200-9000  
Oct. 28, 1997(*) JKT RBS TEK4 6380-6720 $-1.47\pm0.25$
Aug. 03, 1998 INT IDS + 235 mm EEV42 3700-5050  
Aug. 04, 1998(*) INT IDS + 235 mm EEV42 5800-7100 $-1.87\pm0.30$
Aug. 31, 1998 CRAO Coude EEV15-11 6530-6600 $-1.49\pm0.02$
Aug. 31, 1998 CRAO Coude EEV15-11 6645-6620  
Jul. 26, 1999 SKI 1201 line mm-1 grating ISA SITe CCD 5520-7560 $-2.89\pm0.07$
Aug. 17, 1999(*) BOL BFOSC + gr#9+#12 Loral 5300-9000 $-1.35\pm0.40$
Aug. 17, 1999 BOL BFOSC + gr#7 Loral 4200-6700  
Aug. 22, 1999 BOL BFOSC + gr#8 Loral 6100-8200 $-1.85\pm0.10$
Aug. 22, 1999 BOL BFOSC + gr#7 Loral 4200-6700  

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