The warm absorber and X-ray variability of the Seyfert 1 galaxy NGC 3516 as seen by the XMM-Newton RGS

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Table 4:

Best-fit parameters of the three-phase *xabs* model for all four observations.
	Phase A:				Phase B:					Phase C:
Obs.	log $\xi$ ^a	$N_{{\rm H}}$ ^b	Flow v^c	rms v^c	log $\xi$ ^a	$N_{{\rm H}}$ ^b	Flow v^c	rms v ^c	fcov^d	log $\xi$ ^a	$N_{{\rm H}}$ ^b	Flow v^c	rms v^c	$\chi _\nu ^2$ /d.o.f.^e
1	$0.95 \pm 0.02$	$0.33 \pm 0.01$	$-100 \pm 40$	$60 \pm 10$	$2.41 \pm 0.05$	$1.7 \pm 0.2$	$-1500 \pm 100$	$500 \pm 100$	$0.64 \pm 0.09$	$3.00 \pm 0.05$	$1.2 \pm 0.2$	$-800 \pm 300$	$300 \pm 100$	1.41/2746
2	$0.96 \pm 0.02$	$0.34 \pm 0.01$	$-100 \pm 30$	$40 \pm 10$	$2.42 \pm 0.04$	$2.0 \pm 0.3$	$-1500 \pm 100$	$500 \pm 100$	$0.55 \pm 0.04$	$2.99 \pm 0.03$	$1.3 \pm 0.2$	$-1000 \pm 100$	$400 \pm 100$	1.44/2784
3	$0.87 \pm 0.02$	$0.43 \pm 0.02$	$-200 \pm 40$	$40 \pm 10$	$2.43 \pm 0.03$	$3.2 \pm 0.4$	$-1600 \pm 200$	$400 \pm 100$	$0.64 \pm 0.04$	$3.07 \pm 0.04$	$1.7 \pm 0.2$	$-800 \pm 200$	$400 \pm 100$	1.41/2689
4	$0.97 \pm 0.02$	$0.37 \pm 0.01$	$-200 \pm 20$	$30 \pm 10$	$2.39 \pm 0.05$	$2.0 \pm 0.1$	$-1500 \pm 100$	$600 \pm 100$	$0.54 \pm 0.04$	$2.99 \pm 0.02$	$1.7 \pm 0.2$	$-1000 \pm 100$	$500 \pm 100$	1.42/2724

Notes. Obtained from the simultaneous fitting of the EPIC-pn, RGS1 and RGS2 spectra.
^(a) ${\rm erg\ cm\ }{\rm s}^{-1}$ ; ^(b) 10²² ${\rm cm}^{-2}$ ; ^(c) km ${\rm s}^{-1}$ ; ^(d) the covering fraction of Phases A and C is 1.0; ^(e) the $\ensuremath {\chi _\nu ^2}$ values are further improved by including the modelling of the observed emission features discussed in Sect. 5.5.

Source LaTeX | All tables | In the text

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