Nowhere to hide: Radio-faint AGN in the GOODS-N field - II. Multi-wavelength AGN selection techniques and host galaxy properties

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Table 5.

AGN classification schemes (infrared and X-ray selection).

	Infrared								X-ray
Source ID	Power law	L07	K12	D12	S05	KI	KIM	WISE	L_{0.5−7 keV}
(1)	(10)	(11)	(12)	(13)	(14)	(15)	(16)	(17)	(18)
J123555+620902^*	−0.96	✓	✓	✓	✓	✓	✓	✓	3.1 × 10⁴⁴(o)
J123607+620951^*	0.86	×	×	×	×	×	×		8.3 × 10⁴²(o)
J123608+621036^*	−1.66	✓	✓	✓	✓	✓	✓		4 × 10⁴²(o)
J123618+621541^*	0.45	×	×	×	×	×	×		(3.8 × 10⁴²)
J123620+620844^*	1.38	×	×	×	×	×		×	(2.3 × 10⁴²)
J123621+621708^*	−0.22	✓	×	×	×	×	×		(9.5 × 10⁴²)
J123623+620654^*	0.05	✓	×	×	×	×	×		(2.4 × 10⁴³)
J123624+621643^*	0.71	×	×	×	×	×	×		(3.5 × 10⁴²)
J123641+621833^*	1.06	×	×	×	×	×	×	×	1.1 × 10⁴²
J123642+621331^*	−0.76	✓	×	×	×	✓	✓		6 × 10⁴²
J123644+621133^*	1.38	×	×	×	×	×		×	1.1 × 10⁴²
J123646+621405^*	−0.12	✓	×	×	✓	✓	×	×	1.3 × 10⁴⁴(o)
J123650+620738^*	−2.04	✓	✓	✓	✓	✓	✓		5 × 10⁴⁴(o)
J123653+621444^*	1.42	×	×	×	×	×	×	×	1.3 × 10⁴¹
J123659+621833^*	−1.02	✓	✓	✓	✓	✓	✓		5.2 × 10⁴³(o)
J123700+620910^*	−0.49	✓	×	×	×	-	×		(1.1 × 10⁴³)
J123709+620838^*	1.35	×	×	×	×	×	×		3.2 × 10⁴²
J123714+621826^*	−1.71	✓	✓	✓	✓	-	✓		2.2 × 10⁴⁴
J123715+620823^*	−0.45	✓	×	×	✓	✓	✓		1.8 × 10⁴²(o)
J123716+621512^*	1.37	×	×	×	×	×	×	×	3.7 × 10⁴¹
J123717+621733^*	−1.62	✓	✓	✓	✓	✓	✓	✓	1.8 × 10⁴⁴(o)
J123720+620741						×		×	(3.0 × 10⁴²)
J123721+621130									2.9 × 10⁴³(o)
J123726+621129^*	0.86	×	×	×	×	×	×	✓	(1.1 × 10⁴²)
J123649+620439								×	6.1 × 10⁴⁰
J123701+622109^*	1.5	×	×	×	×	×			1.5 × 10⁴²
J123739+620505						–			(1.6 × 10⁴⁴)
J123751+621919^*	1.13	×	×	×	×	×			(6.0 × 10⁴²)
J123523+622248								×	–
J123510+622202									–
J123656+615659	1.2	×	×	×	×	×		×	–

R	20%	48%	24%	24%	33%	33%	40%	30%	59%
	(5/25)	(12/25)	(6/25)	(6/25)	(8/24)	(8/24)	(8/20)	(4/13)	(16/28)

Notes. Check-marks or bold-face entries correspond to a positive AGN classification. Entries with a hyphen correspond to sources which are outside the field-of-view of the bands required to classify the object or are not in the redshift range of the classification scheme. Blank entries have multi-wavelength coverage but do no have detections in all bands required. The column headers correspond to: (10) – Infrared power law classification (Alonso-Herrero et al. 2006; Donley et al. 2007). (11) – Lacy et al. (2007). (12) – Kirkpatrick et al. (2012). (13) – Donley et al. (2012). (14) – Stern et al. (2005). (15) – Messias et al. (2012, 2014)K_s+IRAC. (16) – Messias et al. (2012, 2014)K_s+IRAC+MIPS (17) – Stern et al. (2012) WISE classification. (18) – 0.5–7 keV Chandra X-ray luminosities in erg s⁻¹. Those sources denoted with an (o) are classified as obscured by Xue et al. (2016) (i.e., Γ < 1) while bracketed entries correspond to X-ray upper limits.

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