IGR J13091+1137

	IGR J13091+1137


	Other name = NGC 4992, CXOU J130905.6+113803

Type	Redshift	Radio Counterpart			Infrared/Optical Counterpart
		R.A. (J2000)	Dec. (J2000)	References	R.A. (J2000)	Dec. (J2000)	References
X-ray Bright, Optically Normal Galaxy, heavily obscured AGN	z=0.025	FIRST J130905.5+1138803		Masetti et al. 2006 (and ref. therein)
References		Revnivtsev et al. 2005 astro-ph0508155 Sazonov et al. 2005 A&A, 444, L37 Masetti et al. 2006 A&A, 455, 11 De Rosa et al. 2012, MNRAS, 420, 2087 Khorunzhev et al. 2012 Astr. Lett., 38, 475

Miscellaneous :

Sazonov et al. 2005 :

z=0.0251, nH=(90+/-10)x10^22

Masetti et al. 2005 ATel 719:

4000-8000 Angstroms optical spectral continuum typical of a normal spiral galaxy
CaII H+K doublet, G-band at 4304A, Hbeta, Mg b band at 5175A, FeI at 5270A and NaI doublet at 5890A absorptions
weak [NII] 6583A emission
confirm redshift z=0.025
X-ray Bright, Optically Normal Galaxies, heavily obscured AGN

Masetti et al. 2006:

Porbable XBONG likely hiding an absorbed AGN at z=0.025
NGC 4992 (the position of which is consistent with the Chandra counterpart to the IGR source) is B~14.5
radio flux density at 1.4 GHz=2.01 mJy

Khorunzev et al. 2012:

Etimate of mass and accretion rate based on different methods
Correltion with bulge luminosity => M = 10^7.91 M_Sun and L_Edd = 10^46.01 erg/s
L_Bol=0.042 L_Edd

Last updated. 22 Nov 2012

Jerome Rodriguez