Table 1
Megamaser sample, global properties, and references.
| Name | z | N H | log (L2−10) | Ref. | M BH | Ref. | R d | Disk size | Ref. | |
| [1024 cm-2] | [erg s-1] | [106 M⊙] | [pc] | [pc] | ||||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | |
|
|
||||||||||
| NGC 1068 | 0.0038 | > 5.6 | 43.34 | Bau14 | 8.0 ± 0.3 | Lod03 | 0.27 | 0.65−1.1 | Gre97 | |
| NGC 1194 | 0.0136 | 1.4 |
42.78 | this work | 65 ± 3 | Kuo11 | 0.14 | 0.54−1.33 | Kuo11 | |
| NGC 1386 | 0.0029 | 5 ± 1 | 41.90 | this work | 1.2 |
McC13† | 0.05 | 0.44−0.94 | Til08 | |
| NGC 2273 | 0.0061 | > 7.3 | 43.11 | this work | 7.5 ± 0.4 | Kuo11 | 0.20 | 0.034−0.20 | this work* | |
| NGC 2960 | 0.0165 | 0.5 |
41.41 | this work | 11.6 ± 0.5 | Kuo11 | 0.03 | 0.13−0.37 | Kuo11 | |
| NGC 3079 | 0.0037 | 2.5 ± 0.3 | 42.15 | this work | 2.4 |
McC13† | 0.07 | 0.4−1.3 | Kon05 | |
| NGC 3393 | 0.0125 | 2.2 |
43.30 | this work | 31 ± 2 | Kon08 | 0.25 | 0.17−1.5 | Kon08 | |
| NGC 4388 | 0.0084 | 0.44 ± 0.06 | 42.59 | this work | 8.5 ± 0.2 | Kuo11 | 0.11 | 0.24−0.29 | Kuo11 | |
| NGC 4945 | 0.0019 | 3.5 ± 0.2 | 42.52 | Puc14 | 1.4 |
McC13† | 0.10 | 0.13−0.41 | this work** | |
| IC 2560 | 0.0098 | > 6.7 | 42.98 | this work | 3.5 ± 0.5 | Yam12 | 0.17 | 0.087−0.335 | Yam12 | |
| Circinus | 0.0015 | 8.7 ± 1.5 | 42.57 | Are14 | 1.7 ± 0.3 | Gre03 | 0.11 | 0.11−0.4 | Gre03 | |
|
|
||||||||||
| NGC 4258 | 0.0015 | 0.087 ± 0.003 | 41.2 | Cas13 | 39 ± 3 | Til08 | 0.02 | 0.12−0.28 | Til08 | |
| NGC 6264 | 0.0340 | > 1 | 42.6 | Cas13 | 29.1 ± 0.4 | Kuo11 | 0.11 | 0.24−0.80 | Kuo11 | |
| UGC 3789 | 0.0109 | > 1 | 42.3 | Cas13 | 10.4 ± 0.5 | Kuo11 | 0.08 | 0.084−0.30 | Kuo11 | |
Notes. Main properties of the disk maser AGN sample used in this work. The last three sources are the ones lacking NuSTAR data.(1) − Galaxy name. (2) − Redshift. (3) − Best fit intrinsic column density. (4) − Logarithm of the best fit intrinsic (deabsorbed) 2−10 keV luminosity. (5) − References for Cols. (3)−(4): Are14 −Arévalo et al. (2014); Bau14 −Bauer et al. (2015); Cas13 −Castangia et al. (2013); Puc14 −Puccetti et al. (2014). (6) − AGN central mass. (7) − References for Col. (6): Gre03 −Greenhill et al. (2003); Til08 −Tilak et al. (2008); Kon08 −Kondratko et al. (2008); Kuo11 −Kuo et al. (2011); Lod03 −Lodato & Bertin (2003); McC13 −McConnell & Ma (2013); Yam12 −Yamauchi et al. (2012). (8) − Dust sublimation radius, calculated using the relation from Gandhi et al. (2009). See Sect. 3 for details. (9) − Maser disk inner and outer radii. (10) − References for Col. (9): Gre97 −Greenhill & Gwinn (1997); Gre03 −Greenhill et al. (2003); Kon05 −Kondratko et al. (2005); Kon08 −Kondratko et al. (2008); Kuo11 −Kuo et al. (2011); Til08 −Tilak et al. (2008); Yam12 −Yamauchi et al. (2012).
Adapted from Greenhill et al. (1997).
Maser method mass for which in the original paper an uncertainty is not provided. The error given by McConnell & Ma (2013) is overestimated.
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