An X-ray and UV flare from the galaxy XMMSL1 J061927.1-655311

Free Access

Table 3

Spectral fits to XMM-Newton pointed observations of XMMSL1 J0619-65.

Power-law^a		Distant reflection^b	zxipcf^c			Ionised reflection^d		C/d.o.f.^e
Γ	Norm	Norm	N _H	xi	cf	xi	Norm
	keV^-1 cm^-2 s^-1	keV^-1 cm^-2 s^-1	10²² cm^-2	log	%	log	cm^-2 s^-1

XMM-Newton observation 1 - 2012-12-15

1.96 ± 0.02								3612/3230
1.98 ± 0.02								3573/3229
					36 ± 6			3472/3226
1.92 ± 0.02								3471/3227

XMM-Newton observation 2 - 2013-04-24

1.81 ± 0.03								3072/3230
1.82 ± 0.03								3064/3229
1.76 ± + 0.04								3040/3226
1.79 ± 0.03								3055/3227

Joint fits to the XMM-Newton observations of 2012-12-15 and 2013-04-24^f



								6621/6457

					43 ± 11
					70 ± 2			6575/6455


								6528/6454
1.87 ± 0.03

						10^g		6557/6455

Notes. All fits include absorption by the Galactic column (model TBABS, N_H = 4.4 × 10²⁰ cm^-2). Errors are 90% confidence.

^(a)

Continuum power law with photon index and normalisation;

^(b)

reflection from distant matter with normalisation at 1 keV (pexmon; Nandra et al. 2007, with inclination fixed at 45°);

^(c)

ionised absorption with equivalent column density, ionisation state and covering fraction;

^(d)

ionised reflection (reflionx; Ross & Fabian 2005) with ionisation state and normalisation, convolved with a relativistic blurring model (kdblur; Laor 1991; Fabian et al. 2002), with fixed emissivity index = 3; inner radius = 4.5 GM/c²; outer radius = 100 GM/c² and inclination = 45°;

^(e)

C-statistic / number of degrees of freedom;

^(f)

simultaneous fits to both XMM-Newton observations; for these, the first line of each model gives the tied parameters, the second line gives the free values for the 2012-12-15 observation and the third line the free values for the 2013-04-24 observation;

^(g)

the parameter is unconstrained.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.