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Table 2

X-ray properties of the high-τ 9.7 μm AGN in the 12 μm sample.

Name z N H log  [Lx X-ray Ref. Mission Comment
(1) (2) (3) (4) (5) (6) (7)

Mrk 938 0.020 40 42.30 1, 16 XMM
NGC 1125 0.011 41.97 2 Swift
I 08572+3915 0.058 41.30 3 Chandra
UGC 5101 0.039 140 41.67 4, 6, 7, 8, 11, 16 Chandra/XMM a
NGC 3079 0.004 200 40.25 5, 16 XMM a
Mrk 266 0.028  >160 41.7 1, 6 XMM/Chandra a
Mrk 273 0.038 40 42.40 10, 16 Chandra
Arp 220 0.018  >100 40.96 7, 12, 14 XMM b,c
I 19254-7245 0.062  >100 42.57 7, 8, 13 BeppoSAX a
NGC 7172 0.009 8 42.20 9 BeppoSAX
NGC 7582 0.005 160 42.00 9, 15, 17 BeppoSAX a

Notes. The columns are: (1) Name. (2) Redshift. (3) X-ray column density in units of 1022 cm-2. (4) Logarithm of the obscured X-ray luminosity in the 2−10 keV band in units of erg   s-1. (5) X-ray spectroscopy reference: 1) Guainazzi et al. (2005); 2) Cusumano et al. (2010); 3) Iwasawa et al. (2009); 4) Imanishi et al. (2003); 5) Akylas & Georgantopoulos (2009); 6) Brassington et al. (2007); 7) Iwasawa et al. (2005); 8) Braito et al. (2003); 9) Dadina (2008); 10) Iwasawa et al. (2011); 11) González-Martin et al. (2009); 12) Ptak et al. (2003); 13) Georgantopoulos et al. (2010); 14) Clements et al. (2002); 15) Bianchi et al. (2009); 16) Brightman & Nandra (2011). (6) X-ray mission. (7) X-ray criterion on which the source is classified as Compton-thick: a. detection of the absorption turnover b. high-equivalent width Fe line c. Flat spectrum (see text for details).

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