Bursting behavior of the Galactic center faint X-ray transient GRS 1741.9–2853

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Volume 504 / No 2 (September III 2009)

A&A, 504 2 (2009) 501-510

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Table 3:

*XMM-Newton*/PN and *Swift*/XRT spectral results for the persistent emission.
Date^a	$N_{\rm H}$ ^b	$\Gamma$	$F_{\rm pers}$ ^c	$\chi^2/{\rm d.o.f.}$
	[10²² cm^-2]
		XMM-Newton/PN
2002 Oct. 3	$14\pm3$	$2.0\pm0.5$	$1.0\pm0.2$	67/64
	[11.9]	$1.6\pm0.2$	$0.9\pm0.2$	68/65
2007 Feb. 27	$11.9\pm0.2$	$1.83\pm0.03$	$11.60\pm0.05$	219/197
2007 Mar. 30	$11.6\pm0.4$	$1.76\pm0.08$	$11.9\pm0.1$	155/200
	[11.9]	1.81 $\pm0.04$	$12.2\pm0.1$	156/201
2007 Mar. 31	$12.1\pm0.4$	$1.86\pm0.08$	$12.0\pm0.1$	192/210
	[11.9]	$1.83\pm0.04$	$11.9\pm0.1$	192/211
2007 Apr. 1	$12.0\pm0.3$	$2.08\pm0.05$	$13.6\pm0.1$	242/213
	[11.9]	$2.06\pm0.02$	$13.5\pm0.1$	242/214
2007 Apr. 2	$12.5\pm0.3$	$2.14\pm0.05$	$13.1\pm0.1$	213/195
	[11.9]	$2.04\pm0.02$	$12.4\pm0.1$	225/196
2007 Apr. 3-4	$13.1\pm0.4$	$2.30\pm0.08$	$5.5\pm0.1$	179/200
	[11.9]	$2.08\pm0.03$	$4.9\pm0.1$	204/201
		Swift/XRT
2007 Feb. 16-17	$10.9\pm3.6$	$1.9\pm0.7$	$19.0\pm3.0$	31/28

^a For 2007, Mar. 30 and 31 designate the periods just before and after burst 12 respectively (see Fig. 5). Same thing for Apr. 1 and 2 and burst 13. Apr. 3-4 period is the last XMM-Newton revolution (rev-1340); ^b whenever there are brackets, the column density is frozen; ^c unabsorbed flux in the 2-8 keV and 2-10 keV band in units of 10^-11 erg s^-1 cm^-2 for XMM-Newton/PN and Swift/XRT, respectively.

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