ALMA observations of molecular tori around massive black holes

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Table 4.

Radii, masses, and inclinations of the molecular tori.

Galaxy	Radius	S(CO)dV	M(H₂)^a	inc(°)	PA(°)	inc(°)^b	Beam	logNH₂	M_cent	off-centering
	(pc)	Jy km s⁻¹	10⁷ M_⊙	torus	torus	gal	(pc)	(cm⁻²)	10⁶ M_⊙	(pc)
NGC 613	14±3	56±20	3.9±1.4	46±7	0±8	36	6.2	25.3±.001	10.	42.
NGC 1326	21±5	18±2	0.95±0.1	60±5	90±10	53	5.3	23.9±.02	0.3	21.
NGC 1365	26±3	10±3	0.74±0.2	27±10	70±10	63	6.3	23.5±.01	0.	86.
NGC 1433	–	–	–	–	–	67	2.9	23.5±0.1	0.04	–
NGC 1566	24±5	72±10	0.88±0.1	12±12	30±10	48	1.7	24.5±.01	0.1	7.
NGC 1672	27±7	80±9	2.5±0.3	66±5	0±10	28	4.0	24.3±.01	0.4	27.
NGC 1808	6±2	46±6	0.94±0.1	64±7	65±8	84	3.1	24.6±.004	0.5	58.

Notes.

^(a)

Obtained with the standard CO-to-H₂ conversion ratio, and .

^(b)

From Hyperleda, NH₂ for NGC 1365 is the peak of the torus, but the central beam is empty. NH₂ for NGC 1433 is only that of the central arm. The errors on NH₂ do not include the CO-to-H₂ conversion factor.

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