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Two more nearby AGNs among INTEGRAL sources

ATel #883; R. Burenin (IKI), A. Mescheryakov (IKI), S. Sazonov (IKI, MPA), M. Revnivtsev (IKI, MPA), I. Bikmaev (KSU, AST), R. Sunyaev (MPA, IKI)
on 14 Sep 2006; 14:22 UT
Credential Certification: Rodion Burenin (rodion@hea.iki.rssi.ru)

Subjects: Optical, X-ray, Gamma Ray, AGN

We report optical spectroscopic identification of two INTEGRAL sources, detected in the INTEGRAL all-sky survey (Krivonos et al. 2006, in preparation). Optical data were obtained with the Russian-Turkish 1.5-m telescope (RTT-150, Bakirlitepe, TUBITAK National Observatory, Turkey), using the TUG Faint Object Spectrograph and Camera (TFOSC).

IGR J01528-0326 --- The source is associated with the nearby edge-on spiral galaxy MCG-01-05-047. The optical spectrum of the nucleus region of this galaxy shows redshifted narrow H_alpha and [NII],6583 and other lines in emission. From the intensity ratio lg([NII],6583/H_alpha) = -0.03, we conclude that this source most probably is a Seyfert 2 AGN (Veilleux & Osterbrock, 1987). This is also confirmed using the spectrum from 6dFGS DR2 (Jones et al., 2005), who measured the redshift z=0.01691 for this object.

IGR J02343+3229 --- The source is associated with the nearby edge-on spiral galaxy NGC973. The optical spectrum of the nucleus region of this galaxy shows redshifted narrow emission lines. We estimated the intensity ratio lg([NII],6583/H_alpha) = 0.3, therefore, this source is most probably a Seyfert 2 AGN (Veilleux & Osterbrock, 1987). We measured redshift z=0.01574 for this object.