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| Parameter | Sep. 2002 | Jan. 2005 | Feb. 2005 | Mar. 2005 | Sep. 2005 | |
| Satellite | Chandra | Chandra | XMM-Newton | XMM-Newton | XMM-Newton | |
| ObsID | 2548 | 6204 | 0212480301 | 0212480401 | 0212481101 | |
| Duration (ks) | 48 | 5 | 20 | 20 | 20 | |
| Observation date | 2002 Sep. 6-7 | 2005 Jan. 26 | 2005 Feb. 18-19 | 2005 Mar. 21 | 2005 Sep. 8 | |
| UT | 12:57-02:54 | 03:07-05:04 | 22:36-04:50 | 16:20-22:08 | 12:43-18:51 | |
| Average JD-2 450 000 | 2524.3 | 3396.7 | 3420.6 | 3451.3 | 3622.2 | |
| Jan. 2006 | Feb. 2006 | Mar. 2006 | Apr. 2006 | Jul. 2006 | Dec. 2007 | |
| Satellite | Chandra | Chandra | XMM-Newton | Chandra | Chandra | Chandra |
| ObsID | 6416 | 6417 | 0403200101 | 6418 | 6419 | 8936 |
| Duration (ks) | 30 | 30 | 100 | 30 | 30 | 37.5 |
| Observation date | 2006 Jan. 4-5 | 2006 Feb. 23 | 2006 Mar. 2-3 | 2006 Apr. 23 | 2006 Jul. 24 | 2007 Dec. 14-15 |
| UT | 18:33-03:09 | 09:41-17:47 | 19:02-21:06 | 14:42-23:31 | 07:50-16:49 | 14:49-01:13 |
| Average JD-2 450 000 | 3740.5 | 3790.2 | 3797.8 | 3849.3 | 3941.0 | 4449.3 |
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