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 1:

Power-law and Fe K $\ensuremath {\alpha }$ emission line parameters, obtained from preliminary EPIC-pn fits (including the Galactic absorption) of all four observations over the 4.0-10 keV energy range.
	Power-law:		Fe K $\ensuremath {\alpha }$ :
Obs.	Photon Index ( $\Gamma$ )	Normalisation^a	E₀^b	E^c	Flow v^d	FWHM^e	$\sigma_{v}$ ^f	Normalisation^g	$\ensuremath{\chi _\nu ^2}$ /d.o.f.
1	$1.85 \pm 0.02$	$2.9 \pm 0.1$	6.39	$6.37 \pm 0.02$	$\rm +900_{-900}^{+1000}$	$280 \pm 70$	$6000 \pm 2000$	$1.1 \pm 0.1$	1.54/330
2	$1.82 \pm 0.02$	$2.5 \pm 0.1$	6.39	$6.38 \pm 0.01$	$\rm +500_{-500}^{+400}$	$290 \pm 40$	$6000 \pm 1000$	$1.3 \pm 0.1$	1.42/361
3	$1.75 \pm 0.02$	$1.9 \pm 0.1$	6.39	$6.38 \pm 0.01$	$\rm +500_{-500}^{+400}$	$290 \pm 40$	$6000 \pm 1000$	$1.3 \pm 0.1$	1.58/324
4	$1.84 \pm 0.02$	$2.6 \pm 0.1$	6.39	$6.40 \pm 0.01$	$\rm -500_{-400}^{+500}$	$260 \pm 40$	$5000 \pm 1000$	$1.2 \pm 0.1$	1.38/311

Notes. ^(a) 10⁵¹ photons ${\rm s}^{-1}$ ${\rm keV}^{-1}$ at 1 keV; ^(b) theoretical rest frame wavelength in keV; ^(c) wavelength in the rest frame of NGC 3516 in keV; ^(d) $\ensuremath{{\rm km~s^{-1}}}$ ; ^(e) eV; ^frms velocity in $\ensuremath{{\rm km~s^{-1}}}$ ( $\sigma_{v}={\rm {\it FWHM}}/\sqrt{\ln 256}$ ); ^(g) 10⁴⁹ photons ${\rm s}^{-1}$ .

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