Table 1: Observation log.

Observation interval
Time after Expo.-time Rev. Count rate HR1 HR2   HR3
(UT) Max. (days) (ks)     (cts/ks)       
2000-07-25 22:48-2000-07-26 03:19  17 16.26   115 $ 5.0 \pm 0.6 $ - $1.00 \pm 2.00$ $0.00\pm0.11$
2000-08-28 13:53-2000-08-28 16:40  51 10.00   132 $21.0 \pm 1.6 $ $0.70 \pm 0.07$ $ -0.56\pm0.06$ $-0.66\pm0.16 $
2001-03-29 19:10-2001-03-29 21:22 294 10.54   239 <1.0 - -       -      
(1) The hardness ratios are defined as HR1 = (B-A)/(B+A), HR2 = (C-B)/(B+C) and HR3 =(D-C)/(D+C), where A (0.2-0.5 keV),
B (0.5-2.0 keV), C (2.0-4.5 keV), D (4.5-7.5 keV), are the counts in the given energy range.

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