Table 7
Upper limits for M 31 CN with outburst from about one year before the start of our monitoring till the end of our monitoring.
| Optical nova candidate | X-ray measurements | |||||
|
|
||||||
| Name | RA (h:m:s)a | MJDb | Observationc | Δtd | LXe | Commentf |
| M31N | Dec (d:m:s)a | (d) | ID | (d) | (1036 erg s-1) | |
|
|
||||||
| 2005-05a | 0:42:54.84 | 53 506.0 | mrg (HRC-I) | 385.3 | < 0.5 | |
| 41:16:51.5 | mrg (EPIC) | 412.6 | < 0.2 | |||
| 2005-05b | 0:42:47.15 | 53 532.2 | mrg (HRC-I) | 359.0 | < 0.2 | |
| 41:15:35.7 | mrg (EPIC) | 386.4 | < 37.6 | near source [PFH2005] 338 | ||
| 2005-06a | 0:42:28.42 | 53 539.2 | mrg (HRC-I) | 352.0 | < 1.9 | |
| 41:16:50.9 | mrg (EPIC) | 379.4 | < 0.3 | |||
| 2005-06c | 0:42:31.39 | 53 544.2 | mrg (HRC-I) | 347.0 | < 3.4 | |
| 41:16:20.7 | mrg (EPIC) | 374.4 | < 28.5 | near source [PFH2005] 275 | ||
| 2005-07a | 0:42:50.79 | 53 581.0 | mrg (HRC-I) | 310.3 | < 0.2 | |
| 41:20:39.8 | mrg (EPIC) | 337.6 | < 0.3 | |||
| 2005-09a | 0:42:52.23 | 53 626.0 | mrg (HRC-I) | 265.3 | < 0.8 | |
| 41:19:59.4 | mrg (EPIC) | 292.6 | < 0.1 | |||
| 2005-09d | 0:42:42.11 | 53 635.0 | mrg (HRC-I) | 256.3 | < 0.1 | |
| 41:14:01.2 | mrg (EPIC) | 283.6 | < 0.1 | |||
| 2005-10b | 0:42:42.11 | 53 659.8 | mrg (HRC-I) | 231.5 | < 0.9 | |
| 41:18:00.3 | mrg (EPIC) | 258.9 | < 0.1 | |||
| 2006-02a | 0:42:50.68 | 53 768.8 | mrg (HRC-I) | 122.5 | < 0.3 | |
| 41:15:49.9 | mrg (EPIC) | 149.9 | < 41.7 | near source [PFH2005] 352 | ||
| 2006-05a | 0:43:13.94 | 53 863.0 | mrg (HRC-I) | 28.3 | < 1.8 | |
| 41:20:05.6 | mrg (EPIC) | 55.6 | < 1.0 | |||
| 2006-06b | 0:42:32.77 | 53 869.0 | mrg (HRC-I) | 22.3 | < 1.6 | |
| 41:16:49.2 | mrg (EPIC) | 49.6 | < 0.1 | |||
| 2006-09a | 0:42:33.16 | 53 981.5 | 7284 (HRC-I) | 27.4 | < 2.3 | |
| 41:10:06.8 | 7285 (HRC-I) | 70.8 | < 4.0 | |||
| 0405320701 (EPIC) | 119.1 | < 0.2 | ||||
| 0405320801 (EPIC) | 135.0 | < 0.7 | ||||
| 0405320901 (EPIC) | 154.7 | < 0.3 | ||||
| 7286 (HRC-I) | 189.1 | < 2.4 | ||||
| 2006-09b | 0:42:41.45 | 53 993.0 | 7284 (HRC-I) | 15.9 | < 1.0 | |
| 41:14:44.6 | 7285 (HRC-I) | 59.3 | < 0.5 | |||
| 0405320701 (EPIC) | 107.6 | < 9.7 | ||||
| 0405320801 (EPIC) | 123.5 | < 8.1 | ||||
| 0405320901 (EPIC) | 143.2 | < 7.4 | ||||
| 7286 (HRC-I) | 177.6 | < 2.3 | ||||
| 2006-09c | 0:42:42.38 | 53 996.2 | 7284 (HRC-I) | 12.6 | < 2.9 | |
| 41:08:45.5 | 7285 (HRC-I) | 56.0 | < 1.5 | |||
| 0405320701 (EPIC) | 104.4 | < 2.4 | ||||
| 0405320801 (EPIC) | 120.2 | < 0.6 | ||||
| 0405320901 (EPIC) | 139.9 | < 0.9 | ||||
| 7286 (HRC-I) | 174.4 | < 3.1 | ||||
| 2006-11b | 0:42:44.05 | 54 058.0 | 0405320701 (EPIC) | 42.6 | < 8.8 | |
| 41:15:02.2 | 0405320801 (EPIC) | 58.5 | < 5.3 | |||
| 0405320901 (EPIC) | 78.2 | < 4.9 | ||||
| 7286 (HRC-I) | 112.6 | < 0.7 | ||||
| 2006-11a* | 0:42:56.81 | 54 063.8 | 405320701 (EPIC) | 36.9 | < 0.6 | found as SSS later |
| 41:06:18.4 | 0405320801 (EPIC) | 52.7 | < 0.4 | |||
| 0405320901 (EPIC) | 72.4 | < 0.5 | ||||
| 7286 (HRC-I) | 106.9 | < 12.3 | here strongly off-axis | |||
| 2006-12a | 0:42:21.09 | 54 085.0 | 0405320701 (EPIC) | 15.6 | < 2.7 | |
| 41:13:45.3 | 0405320801 (EPIC) | 31.5 | < 1.4 | |||
| 0405320901 (EPIC) | 51.2 | < 6.9 | ||||
| 7286 (HRC-I) | 85.6 | < 4.8 | ||||
| 2006-12b | 0:42:11.14 | 54 092.8 | 0405320701 (EPIC) | 7.9 | < 0.3 | |
| 41:07:43.8 | 0405320801 (EPIC) | 23.7 | < 1.0 | |||
| 0405320901 (EPIC) | 43.4 | < 0.5 | ||||
| 7286 (HRC-I) | 77.9 | < 2.9 | ||||
| 2006-12c | 0:42:43.27 | 54 093.8 | 0405320701 (EPIC) | 6.9 | < 0.5 | |
| 41:17:48.1 | 0405320801 (EPIC) | 22.7 | < 0.6 | |||
| 0405320901 (EPIC) | 42.4 | < 0.5 | ||||
| 7286 (HRC-I) | 76.9 | < 0.3 | ||||
| 2006-12d | 0:42:44.08 | 54 095.8 | 0405320701 (EPIC) | 4.9 | < 8.7 | probably re-brightening |
| 41:15:02.1 | 0405320801 (EPIC) | 20.7 | < 5.3 | of M31N 2006-11b | ||
| 0405320901 (EPIC) | 40.4 | < 4.9 | ||||
| 7286 (HRC-I) | 74.9 | < 0.7 | ||||
| 2007-01a | 0:42:51.13 | 54 114.8 | 0405320801 (EPIC) | 1.7 | < 5.6 | |
| 41:14:33.1 | 0405320901 (EPIC) | 21.4 | < 6.1 | |||
| 7286 (HRC-I) | 55.9 | < 0.9 | ||||
| 2007-02c | 0:42:39.96 | 54 140.8 | 7286 (HRC-I) | 29.9 | < 1.7 | |
| 41:17:21.9 | ||||||
| 2007-03a | 0:42:53.60 | 54 163.8 | 7286 (HRC-I) | 6.9 | < 2.5 | |
| 41:12:09.8 | ||||||
Notes.
As in Table 5;
Names of nearby sources from the catalogue of Pietsch et al. (2005b);
M31N 2006-11a was found as a SSS in Swift observations on 2007-06-01 (188 d after outburst; Voss et al. 2008).
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