Table 2
Sources detected around η Car in ISGRI mosaics.
| Source | Intensity [cnt s-1] | Position (J2000) | Distance [′] | Error circle radius [′] | Significance |
|
|
|||||
| Close to periastron (Fig. 2, left panel) | |||||
|
|
|||||
| η Car | 0.16 ± 0.05 | 3.3 | |||
| IGR J10447-6027 | 0.20 ± 0.05 | 4.2 | |||
|
|
|||||
| Far from periastron (Fig. 2, right panel) | |||||
|
|
|||||
| η Car | 0.18 ± 0.02 | RA = 10h44m57s, Dec = −59°42′27″ | 1.6 | 2.4 | 8.4 |
| 1E 1048.1-5937 | <0.11 | RA = 10h50m14s, Dec = −59°53′10″ | 0.6 | 6.2 | 2.9 |
| IGR J10447-6027 | 0.14 ± 0.02 | RA = 10h44m36s, Dec = −60°25′50″ | 1.9 | 3.0 | 6.3 |
Notes. The flux and significance values were extracted from the 17–80 keV energy band with the best-fit position, and with the PSF size set to 6′; the values close to periastron are for the 3-σ detections; the upper-limit is at the 5-σ level; the distance refers to the extent between the positions derived from the ISGRI observations and the published positions; the error circle corresponds to a 90% probability. To extract the values from the observations close to periastron, the position of the sources were fixed to their best-fit positions derived from the observations far from periastron (since the lower significance of the former implies that they provide far less precise positions).
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