X-ray source variability study of the M 31 central field using Chandra HRC-I

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Table 9

Source statistics for SNRs within 90′′ of the centre of M 31, extracted from the 1.02 Ms merged high resolution image.

SNR ID^a	RA(J2000) [h:m:s]	Dec(J2000) [d:m:s]	Counts^b	Significance^b	Diameter [′′]^c

SNR 80	00:42:40.37	+41:15:52.2	446	3.2	7.8
SNR 95	00:42:47.81	+41:15:26.3	731	4.5	8.7
SNR 101	00:42:50.44	+41:15:56.4	856	6.7	7.9
SNR 1885A^d	00:42:42.89	+41:16:05.0	28	2.6	1.4

Notes.

^(a)

Taken from Sjouwerman & Dickel (2001).

^(b)

Calculated with CIAO tool aprates.

^(c)

Visually estimated from smoothed merge image.

^(d)

Position taken from Fesen et al. (1999).

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