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Table 6

Upper limits for M 31 CNe with outburst from about one year before the start of the 2007/8 monitoring till its end.

Optical nova candidate X-ray measurements
Name RA   (h:m:s)a MJDb Observationd Δte L 50 f Comment
M31N Dec (d:m:s)a (d) ID (d) (1036 erg s-1)

2006-10a 0:41:43.23 54 030.8 mrg1 (HRC-I) 380.9  <6.2
41:11:45.9 mrg1 (EPIC) 432.8  <2.6
2006-11b 0:42:44.05 54 058.0 mrg1 (HRC-I) 353.6  <0.4 later re-brightening
41:15:02.2 mrg1 (EPIC) 405.6  <7.3 as M31N 2006-12d
2006-11a 0:42:56.81 54 063.8 mrg1 (HRC-I) 347.9  <2.8
41:06:18.4 mrg1 (EPIC) 399.8  <0.1
2006-11c 0:41:33.23 54 069.8 mrg1 (HRC-I) 341.9  <11.3 far off-axis
41:10:12.3 not in EPIC field of view
2006-12a 0:42:21.09 54 085.0 mrg1 (HRC-I) 326.6  <0.9
41:13:45.3 mrg1 (EPIC) 378.6  <0.9
2006-12b 0:42:11.14 54 092.8 mrg1 (HRC-I) 318.9  <6.4
41:07:43.8 mrg1 (EPIC) 370.8  <0.1
2006-12c 0:42:43.27 54 093.8 mrg1 (HRC-I) 317.9  <0.6
41:17:48.1 mrg1 (EPIC) 369.8  <0.5
2007-01a 0:42:51.13 54 114.8 mrg1 (HRC-I) 296.9  <0.8
41:14:33.1 mrg1 (EPIC) 348.8  <1.8
2007-02c 0:42:39.96 54 140.8 mrg1 (HRC-I) 270.9  <0.2
41:17:21.9 mrg1 (EPIC) 322.8  <1.4
2007-03a 0:42:53.60 54 163.8 mrg1 (HRC-I) 247.9  <2.5
41:12:09.8 mrg1 (EPIC) 299.8  <2.5
2007-05a 0:43:02.61 54 238.0 mrg1 (HRC-I) 173.6  <0.5
41:14:41.4 mrg1 (EPIC) 225.6  <0.8
2007-06a 0:41:58.40 54 265.0 mrg1 (HRC-I) 146.6  <0.8
41:14:10.9 mrg1 (EPIC) 198.6  <0.1
2007-07a 0:43:04.05 54 286.0 mrg1 (HRC-I) 125.6  <0.3
41:17:08.3 mrg1 (EPIC) 177.6  <0.2
2007-07b 0:42:45.89 54 289.0 mrg1 (HRC-I) 122.6  <0.5
41:18:04.2 mrg1 (EPIC) 174.6  <0.4
2007-07c 0:43:03.29 54 300.0 mrg1 (HRC-I) 111.6  <0.3
41:14:52.9 mrg1 (EPIC) 163.6  <1.2
2007-07d 0:42:59.49 54 305.0 mrg1 (HRC-I) 106.6  <0.5
41:15:06.5 mrg1 (EPIC) 158.6  <1.3
2007-07e 0:42:43.29 54 306.5 mrg1 (HRC-I) 105.1  <1.0
41:17:44.1 mrg1 (EPIC) 157.1  <0.9
2007-08e 0:42:44.70 54 333.0 mrg1 (HRC-I) 78.6  <0.8
41:16:36.2 mrg1 (EPIC) 130.6  <28.8 close to M 31 centre
2007-08c 0:42:29.40 54 342.0 mrg1 (HRC-I) 69.6  <0.8
41:18:24.8 mrg1 (EPIC) 121.6  <0.4
2007-10a 0:42:55.95 54 379.0 mrg1 (HRC-I) 32.6  <9.9 far off-axis
41:03:22.0 not in EPIC field of view
2007-11c 0:43:04.14 54 416.0 8527 (HRC-I) 5.8  <3.8
41:15:54.3 8528 (HRC-I) 16.8  <2.0
8529 (HRC-I) 25.6  <3.1
8530 (HRC-I) 35.5  <3.8
mrg1 (EPIC) 47.6  <1.9
2008-01a 0:42:58.54 54 485.2 0505720501 (EPIC) 7.7  <2.2
41:14:44.1 0505720601 (EPIC) 18.0  <1.4

Notes. As for Table 2.

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