Table 2
Regions used for extracting source and background data from EPIC instruments.
| Inst.+mode | Src/Bkgd | Shape | RAcenter | Deccenter | Radii |
| (hh:mm:ss) | (dd:mm:ss) | (px) | |||
|
|
|||||
| All | Src | circle | 08:03:35.047 | −40:00:11.33 | 850 |
| MOS+LW | Bkgd | circle | 08:03:40.322 | −40:02:18.62 | 600 |
| MOS+SW | Bkgd | circle | 08:02:57.173 | −39:56:40.39 | 1000 |
| pn+LW | Bkgd | circle | 08:03:42.928 | −39:57:28.61 | 700 |
| pn+SW | Bkgd1 | circle | 08:03:35.047 | −40:00:11.33 | 700 |
| Bkgd2 | circle | 08:03:29.219 | −40:02:51.12 | 700 | |
| Bkgd3 | circle | 08:03:48.368 | −39:58:58.59 | 700 | |
| Bkgd4 | circle | 08:03:42.928 | −39:57:28.61 | 700 | |
Notes. Here, 1 px = 0.05′′. The source position is from the Hipparcos catalog (cf. Simbad). The background regions Bkgd 2 to 4 were used for Revs. 0636+0795+0980+1343, Revs. 0903+1071+1096, and Revs. 1620+1814+1983, respectively. In all other cases, the background region Bkgd1 was used.
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