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Table 4
M 31 optical novae with XMM-Newton and Chandra counterparts discovered in this work.
| Optical nova candidate | X-ray measurements | ||||||
| Name | RA (h:m:s)a | MJDb | D c | Observationd | Δte | L 50 f | Commentg |
| M31N | Dec (d:m:s)a | (d) | (″) | ID | (d) | (1036 erg s-1) | |
|
|
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| 2003-08c | 0:42:41.20 | 52 878.0 | 8526 (HRC-I) | 1533.6 | <2.1 | ||
| 41:16:16.0 | 0.4 | 8527 (HRC-I) | 1543.8 | 3.5 ± 0.7 | |||
| 8528 (HRC-I) | 1554.8 | <3.3 | |||||
| 8529 (HRC-I) | 1563.6 | 2.6 ± 0.8 | |||||
| 0.3 | 8530 (HRC-I) | 1573.5 | 3.6 ± 0.8 | ||||
| mrg1 (EPIC) | 1585.6 | <11.3 | |||||
| 9825 (HRC-I) | 1900.3 | <0.8 | |||||
| 0.5 | 9826 (HRC-I) | 1909.1 | 5.3 ± 1.1 | ||||
| 0.3 | 9827 (HRC-I) | 1920.2 | 4.7 ± 1.0 | ||||
| 0.3 | 9828 (HRC-I) | 1929.4 | 5.5 ± 1.1 | ||||
| 9829 (HRC-I) | 1940.0 | <6.2 | |||||
| 10838 (HRC-I) | 1940.5 | <5.0 | |||||
| mrg2 (EPIC) | 1952.1 | <7.0 | |||||
| 10683 (HRC-I) | 2000.9 | <3.2 | |||||
| 0.2 | 10684 (HRC-I) | 2010.2 | 2.7 ± 0.8 | ||||
| 2004-01b | 0:42:41.19 | 53 005.8 | 8530 (HRC-I) | 1445.7 | <1.6 | ||
| 41:15:45.0 | 0.4 | 9825 (HRC-I) | 1772.6 | 5.0 ± 1.1 | |||
| 0.2 | 9826 (HRC-I) | 1781.4 | 5.9 ± 1.2 | ||||
| 0.4 | 9827 (HRC-I) | 1792.5 | 5.1 ± 1.1 | ||||
| 0.3 | 9828 (HRC-I) | 1801.7 | 5.8 ± 1.3 | ||||
| 0.4 | 9829 (HRC-I) | 1812.3 | 5.7 ± 1.3 | ||||
| 0.2 | 10838 (HRC-I) | 1812.7 | 7.1 ± 1.5 | ||||
| mrg2 (EPIC) | 1824.4 | <22.3 | |||||
| 0.1 | 10683 (HRC-I) | 1873.1 | 11.1 ± 1.6 | ||||
| 0.1 | 10684 (HRC-I) | 1882.4 | 8.7 ± 1.7 | ||||
| 2006-06b | 0:42:32.77 | 53 869.0 | 0505720601 (EPIC) | 634.2 | <1.8 | SSS | |
| 41:16:49.2 | 0.4 | 9825 (HRC-I) | 909.3 | 3.3 ± 0.7 | |||
| 9826 (HRC-I) | 918.1 | <2.6 | |||||
| 0.5 | 9827 (HRC-I) | 929.2 | 1.9 ± 0.6 | ||||
| 0.3 | 9828 (HRC-I) | 938.4 | 2.8 ± 0.6 | ||||
| 0.1 | 9829 (HRC-I) | 949.0 | 3.3 ± 1.2 | ||||
| 10838 (HRC-I) | 949.5 | <3.3 | |||||
| 0.9 | 0551690201 (EPIC) | 961.1 | 3.3 ± 0.5 | ||||
| 0.3 | 0551690301 (EPIC) | 971.3 | 2.9 ± 0.5 | ||||
| 0551690401 (EPIC) | 977.9 | <5.8 | |||||
| 0.3 | 0551690501 (EPIC) | 989.3 | 4.4 ± 0.6 | ||||
| 0.8 | 0551690601 (EPIC) | 997.6 | 4.0 ± 0.9 | ||||
| 0.1 | 10683 (HRC-I) | 1009.9 | 10.9 ± 1.7 | ||||
| 0.2 | 10684 (HRC-I) | 1019.2 | 7.2 ± 1.4 | ||||
| 2006-09c | 0:42:42.38 | 53 996.2 | 8526 (HRC-I) | 415.4 | <4.5 | SSS | |
| 41:08:45.5 | 8527 (HRC-I) | 425.5 | 4.2 ± 1.6 | ||||
| 8528 (HRC-I) | 436.5 | 5.1 ± 2.0 | |||||
| 8529 (HRC-I) | 445.3 | <5.3 | |||||
| 8530 (HRC-I) | 455.2 | <7.2 | |||||
| 1.2 | 0505720201 (EPIC) | 467.3 | 2.5 ± 0.6 | ||||
| 0.5 | 0505720301 (EPIC) | 477.0 | 1.6 ± 0.6 | ||||
| 1.0 | 0505720401 (EPIC) | 487.4 | 2.8 ± 0.8 | ||||
| 0505720501 (EPIC) | 496.7 | <2.7 | |||||
| 0505720601 (EPIC) | 507.0 | <1.9 | |||||
| mrg2 (EPIC) | 833.9 | <0.3 | |||||
| 2007-02b | 0:41:40.32 | 54 134.8 | 1.0 | 0505720401 (EPIC) | 348.9 | 1.8 ± 0.7 | SSS |
| 41:14:33.5 | 0505720501 (EPIC) | 358.2 | <5.6 | ||||
| 0.5 | 0505720601 (EPIC) | 368.5 | 6.2 ± 1.1 | ||||
| 0.7 | 0551690201 (EPIC) | 695.4 | 17.4 ± 5.3 | ||||
| 1.3 | 0551690301 (EPIC) | 705.5 | 17.5 ± 5.4 | ||||
| 3.0 | 0551690401 (EPIC) | 712.1 | 9.7 ± 3.0 | ||||
| 0.2 | 0551690501 (EPIC) | 723.6 | 9.7 ± 1.2 | ||||
| 1.2 | 0551690601 (EPIC) | 731.8 | 10.5 ± 1.8 | ||||
| 2007-06b | 0:42:33.14 | 54 270.0 | 9.4 | 8526 (HRC-I) | 141.6 | 73.6 ± 16.6 | SSS |
| 41:00:25.9 | 1.2 | 8527 (HRC-I) | 151.8 | 72.4 ± 9.9 | see (1) | ||
| 9.7 | 8528 (HRC-I) | 162.8 | 80.9 ± 10.5 | ||||
| 0.6 | 8529 (HRC-I) | 171.6 | 88.0 ± 11.5 | ||||
| 5.9 | 8530 (HRC-I) | 181.5 | 96.7 ± 12.0 | ||||
| mrg2 (HRC-I) | 508.3 | <14.5 | |||||
| 2007-10b | 0:43:29.48 | 54 386.2 | 1.2 | 8526 (HRC-I) | 25.4 | 31.5 ± 4.4 | SSS |
| 41:17:13.5 | 2.4 | 8527 (HRC-I) | 35.5 | 24.2 ± 4.0 | |||
| 2.5 | 8528 (HRC-I) | 46.5 | 16.7 ± 3.4 | ||||
| 8529 (HRC-I) | 55.3 | <10.1 | |||||
| 8530 (HRC-I) | 65.2 | 8.4 ± 3.0 | |||||
| 1.8 | 0505720201 (EPIC) | 77.3 | 5.0 ± 0.7 | ||||
| 1.0 | 0505720301 (EPIC) | 87.0 | 3.5 ± 0.7 | ||||
| 0505720401 (EPIC) | 97.4 | <2.3 | |||||
| 0505720501 (EPIC) | 106.7 | <2.1 | |||||
| 0505720601 (EPIC) | 117.0 | <0.6 | |||||
| 2007-11a | 0:42:37.29 | 54 406.2 | 8526 (HRC-I) | 5.4 | <1.3 | SSS-HR | |
| 41:17:10.3 | 0.4 | 8527 (HRC-I) | 15.5 | 65.5 ± 4.3 | |||
| 0.3 | 8528 (HRC-I) | 26.5 | 16.1 ± 1.8 | see (2) | |||
| 0.2 | 8529 (HRC-I) | 35.3 | 17.7 ± 1.9 | ||||
| 0.2 | 8530 (HRC-I) | 45.2 | 11.2 ± 1.6 | ||||
| 0505720201 (EPIC) | 57.3 | <1.1 | |||||
| 0505720301 (EPIC) | 67.0 | <2.3 | |||||
| 0505720401 (EPIC) | 77.4 | <2.6 | |||||
| 0505720501 (EPIC) | 86.7 | <1.9 | |||||
| 0505720601 (EPIC) | 97.0 | <3.2 | |||||
| 2007-12b | 0:43:19.94 | 54 443.5 | 8530 (HRC-I) | 8.0 | <3.5 | SSS | |
| 41:13:46.6 | 0505720201 (EPIC) | 20.1 | <2.1 | see (3) | |||
| 0.8 | 0505720301 (EPIC) | 29.8 | 241.1 ± 3.1 | ||||
| 0.8 | 0505720401 (EPIC) | 40.1 | 335.8 ± 3.8 | ||||
| 0.7 | 0505720501 (EPIC) | 49.4 | 326.0 ± 5.2 | ||||
| 0.6 | 0505720601 (EPIC) | 59.8 | 222.5 ± 3.8 | ||||
| mrg2 (HRC-I) | 334.8 | <1.3 | |||||
| mrg2 (EPIC) | 386.6 | <0.2 | |||||
| 2007-12d | 0:41:54.96 | 54 451.5 | 0505720201 (EPIC) | 12.1 | <1.3 | SSS-HR | |
| 41:09:47.3 | 0.9 | 0505720301 (EPIC) | 21.8 | 2.8 ± 0.8 | |||
| 0505720401 (EPIC) | 32.1 | <1.6 | |||||
| 0505720501 (EPIC) | 41.4 | <0.5 | |||||
| 0505720601 (EPIC) | 51.8 | <1.3 | |||||
| 2008-05a | 0:42:56.84 | 54 600.8 | 9825 (HRC-I) | 177.6 | <4.4 | SSS | |
| 41:11:52.4 | 9826 (HRC-I) | 186.4 | <4.9 | ||||
| 0.4 | 9827 (HRC-I) | 197.5 | 7.3 ± 1.8 | ||||
| 9828 (HRC-I) | 206.7 | 3.5 ± 1.5 | |||||
| 9829 (HRC-I) | 217.3 | <5.7 | |||||
| 10838 (HRC-I) | 217.7 | 5.8 ± 2.5 | |||||
| 0551690201 (EPIC) | 229.4 | <1.9 | |||||
| 0551690301 (EPIC) | 239.5 | <3.3 | |||||
| 0551690401 (EPIC) | 246.1 | <4.2 | |||||
| 0.6 | 0551690501 (EPIC) | 257.6 | 3.5 ± 0.6 | ||||
| 1.1 | 0551690601 (EPIC) | 265.8 | 8.3 ± 1.3 | ||||
| 0.4 | 10683 (HRC-I) | 278.1 | 11.1 ± 1.9 | ||||
| 10684 (HRC-I) | 287.4 | 5.3 ± 1.8 | |||||
| 2008-05b | 0:42:52.88 | 54 608.8 | 9825 (HRC-I) | 169.6 | <5.1 | ||
| 41:16:39.4 | 9826 (HRC-I) | 178.4 | <5.5 | ||||
| 1.4 | 9827 (HRC-I) | 189.5 | 3.5 ± 0.9 | ||||
| 1.0 | 9828 (HRC-I) | 198.7 | 4.9 ± 1.3 | ||||
| mrg3 (HRC-I) | 209.3 | 3.6 ± 1.1 | |||||
| mrg2 (EPIC) | 221.4 | <3.2 | |||||
| 10683 (HRC-I) | 270.1 | <1.7 | |||||
| 10684 (HRC-I) | 279.4 | <2.3 | |||||
| 2008-06a | 0:42:37.72 | 54 631.5 | 9825 (HRC-I) | 146.8 | <1.1 | ||
| 41:12:30.0 | 9826 (HRC-I) | 155.6 | <2.7 | ||||
| 9827 (HRC-I) | 166.7 | <1.0 | |||||
| 9828 (HRC-I) | 175.9 | <2.2 | |||||
| 9829 (HRC-I) | 186.5 | <1.9 | |||||
| 10838 (HRC-I) | 187.0 | <2.8 | |||||
| 0551690201 (EPIC) | 198.6 | <0.2 | |||||
| 0551690301 (EPIC) | 208.8 | <3.3 | |||||
| 0551690401 (EPIC) | 215.4 | <1.6 | |||||
| 0551690501 (EPIC) | 226.8 | <1.6 | |||||
| 0551690601 (EPIC) | 235.1 | <2.3 | |||||
| 10683 (HRC-I) | 247.4 | <4.9 | |||||
| 0.7 | 10684 (HRC-I) | 256.7 | 3.2 ± 1.3 | ||||
Notes. As for Table 2. Additional comments refer to individual sources discussed in detail in the following papers: (1): Henze et al. (2009a), (2): Henze et al. (2009b), (3): Pietsch et al. (2011).
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