From outburst to quiescence: the decay of the transient AXP XTE J1810-197

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Volume 498 / No 1 (April IV 2009)

A&A, 498 1 (2009) 195-207

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Table 1:

Main observational parameters for the nine *XMM-Newton* datasets using for the uncertainties a 1 $\sigma$ confidence level.
Epoch	Period	Instrum. (mode)	Exp. Time	tot ph-bck ph	$\tau_{\rm max}$ edge	Energy edge	$\chi^2_{\rm red}$
	s		s			keV
Sep. 2003	5.53928(3)	EPN	5199	60 136-2903	<0.17	1.10(fix)	^a
		MOS1	7700	30 761-111	<0.02	1.10 (fix)	1.33
		MOS2	7800	26 739-145	<0.03	1.10 (fix)
Mar. 2004	5.53945(1)	EPN	10 730	71 180-3077	<0.18	1.10 (fix)
		MOS1	12 000	27 932-396	<0.03	1.10(fix)	1.15
		MOS2	12 200	28 809-366	<0.05	1.10(fix)
Sep. 2004	5.539599(6)	EPN	21 306	89 082-1574	<0.17	1.10(fix)
		MOS1	24 000	35 515-263	<0.06	1.10(fix)	1.22
		MOS2	timing mode	timing mode	timing mode	timing mode	timing mode
Mar. 2005	5.539825(6)	EPN	24 988	54 279-1760	$0.12\pm0.03$	$1.14\pm0.02$
		MOS1	37 800	26 501-428	$0.09\pm0.04$	$1.10\pm0.03$	1.05
		MOS2	37 800	28 004-330	$0.10\pm0.02$	$0.98\pm0.08$	''
Sep. 2005	5.54004(1)	EPN	19 787	21 876-1311	$0.26\pm0.04$	$1.07\pm0.02$
		MOS1	30 000	10 562-344	$0.2\pm0.1$	$1.13\pm0.03$	1.05
		MOS2	18 000	6645-146	<0.4	1.10 (fix)	''
Mar. 2006	5.54022(3)	EPN	15 506	12296-1197	$0.17\pm0.05$	$1.11\pm0.03$
		MOS1	26 500	6539-338	$0.3\pm0.3$	$1.48\pm0.06$	0.95
		MOS2	28 000	7119-328	$0.2\pm0.1$	$1.02\pm0.02$	''
Sep. 2006	5.54037(1)	EPN	38 505	23 842-2974	$0.13\pm0.03$	$1.07\pm0.02$
		MOS1	46 800	8113-552	$0.20\pm0.05$	$1.02\pm0.02$	1.47
		MOS2	46 500	8836-558	$0.08\pm0.06$	$0.93\pm0.03$	''
Mar. 2007	5.54041(1)	EPN	37 296	21 903-2215	$0.21\pm0.04$	$1.07\pm0.02$
		MOS1	63 000	4410-1897	$0.14\pm0.04$	$0.93\pm0.02$	0.99
		MOS2	53 000	4635-522	$0.15\pm0.05$	$1.10\pm0.02$	''
Sep. 2007	5.540 472(7)	EPN	59 014	34 386-4117	$0.18\pm0.02$	$1.04\pm0.06$
		MOS1	67 910	11 038-752	$0.17\pm0.04$	$1.09\pm0.02$	1.26
		MOS2	68 785	12 328-768	$0.10\pm0.03$	$1.1\pm0.1$	''

^a The nine PN spectra were fitted together according to the prescription discussed in the text (3.2.3); the resulting reduced $\chi^2$ ( $\chi^2_{\rm red}$ ) is 1.09 (1038 d.o.f.), for the 3BB+edge model.

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