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 |
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2000-08-28 13:53-2000-08-28 16:40 | 51 | 10.00 | 132 |
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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. |