2005PASJ...57..587S

Query : 2005PASJ...57..587S

2005PASJ...57..587S - Publ. Astron. Soc. Jap., 57, 587-594 (2005/August-0)

Water-vapor maser survey for active galactic nuclei: a megamaser in NGC 6926.

SATO N., YAMAUCHI A., ISHIHARA Y., SORAI K., KUNO N., NAKAI N., BALASUBRAMANYAM R. and HALL P.

Abstract (from CDS):

We made a survey of water-vapor maser emission for 93 AGNs with the Nobeyama 45-m and Mopra 22-m telescopes from 1999 to 2002. A megamaser was detected in a Seyfert 2 galaxy, NGC 6926, at a distance of 80Mpc, in 2002 June. [Greenhill et al. (2003a) have also reported a detection of the megamaser at the close date.] The peak flux density was 110mJy, and the total isotropic luminosity was 340 L<sub>☉</sub>. The maser shows triply peaked spectrum, suggesting an edge-on disk. A narrow-line feature of the maser components at V<sub>LSR</sub> = 6001 km s<sup>-1</sup> was strongly variable with a time scale of a few tens of days, and the variation should be of intrinsic origin. We also showed a possibility of variability of water-vapor maser emission of a megamaser previously detected in a Seyfert/ultraluminous FIR galaxy, NGC 6240.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: individual (NGC 6240, NGC 6926) - galaxies: Seyfert - masers - radio lines: galaxies

Simbad objects: 104

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Number of rows : 104
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 MCG-04-01-019 Sy2 00 10 54.2373303168 -21 04 02.694077868   15.26 15.3 13.79   ~ 29 0
2 NGC 70 Sy2 00 18 22.5674575200 +30 04 46.348819392   14.5       ~ 73 0
3 NGC 71 Sy2 00 18 23.5547337024 +30 03 47.799984816   14.8       ~ 51 0
4 ESO 540-14 Sy2 00 41 11.8324671096 -21 07 53.224151916   15.05   14.45   ~ 31 0
5 NGC 262 Bla 00 48 47.14147900 +31 57 25.0845702 14.04 13.90 13.06 8.53   ~ 778 2
6 2MASX J01033102-1216077 Sy2 01 03 31.026 -12 16 07.71     15.95     ~ 7 0
7 ESO 13-12 AG? 01 07 02.316 -80 18 27.78   13.49   11.86   ~ 67 0
8 IC 1657 Sy2 01 14 07.018 -32 39 03.23   13.16   12.02 13.0 ~ 133 1
9 ESO 195-35 Sy2 01 15 55.2584637504 -50 11 21.801440436   14.43 14.25 13.11   ~ 38 0
10 MCG-01-05-031 Sy2 01 45 25.4701541520 -03 49 37.694192736   14 14 12.91   ~ 53 0
11 ESO 80-5 Sy2 01 47 39.2844124056 -66 09 47.480948676   16.05 16.0 14.57   ~ 19 0
12 NGC 708 rG 01 52 46.482 +36 09 06.53 14.85 14.27 13.29 12.67 12.09 ~ 259 3
13 Z 522-81 Sy2 01 56 46.0537306752 +36 53 10.751541324   14.9   13.64   ~ 59 0
14 Z 482-43 Sy2 02 00 19.054 +24 28 25.08   14.8       ~ 82 0
15 ESO 153-20 Sy2 02 06 03.4672137720 -55 11 36.873277656   14.06 14.31 12.67 13.3 ~ 65 0
16 NGC 833 Sy2 02 09 20.8490871072 -10 07 59.003785884   14.02 13.00 12.75   ~ 207 0
17 IC 1816 Sy2 02 31 50.9839781112 -36 40 19.756788744   13.86 14.26 12.28   ~ 124 1
18 NGC 1052 Bla 02 41 04.79849989 -08 15 20.7519527 11.84 11.41 10.47 10.71   ~ 1397 2
19 NGC 1050 Sy2 02 42 35.577 +34 45 48.46   13.71 12.81 12.25 11.48 ~ 78 0
20 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
21 MCG-04-07-032 Sy2 02 44 47.7190910160 -24 30 49.915835352   14.76   13.23   ~ 35 0
22 IC 1859 Sy2 02 49 03.9278234880 -31 10 21.052495740   14.27   12.93   ~ 58 2
23 MCG-07-06-019 Sy2 02 49 33.9166267536 -38 46 11.166649716   14.21   12.52   ~ 48 1
24 IC 1867 Sy2 02 55 52.2233892360 +09 18 42.285217248   15.0       ~ 32 0
25 MCXC J0255.8+0918 ClG 02 55 52.4 +09 18 39           ~ 23 0
26 MCG-05-08-006 Sy2 02 56 21.5349636672 -32 11 08.156413860   14.29   13.13   ~ 94 0
27 NGC 1217 Sy2 03 06 06.0416133864 -39 02 10.850408376   13.34   11.46   ~ 52 1
28 IC 1904 Sy1 03 15 00.7551383328 -30 42 28.600679448   14.41   12.99   ~ 35 1
29 ESO 116-18 Sy2 03 24 53.0883337848 -60 44 18.653827992   15.09 12.7 13.53   ~ 48 0
30 Z 392-1 Sy2 04 02 48.255 +01 57 56.63   14.60 13.33 12.51 11.28 ~ 104 0
31 MCG-05-11-006 Sy2 04 13 49.699 -32 00 25.20   13.31 13.3 12.14   ~ 106 1
32 2MASX J04271352-6246502 GiG 04 27 13.5139064736 -62 46 50.254117752           ~ 13 0
33 ESO 119-8 Sy2 04 48 56.7137021424 -57 39 33.050979252   14.82 14.8 13.70 13.7 ~ 29 0
34 IRAS 04502-0317 Sy2 04 52 44.5394406960 -03 12 57.133972800   15.80 15.0 14.85   ~ 59 0
35 ESO 33-2 Sy2 04 55 58.93368 -75 32 28.2336   14.61 14.60 13.39   ~ 177 1
36 Z 468-2 Sy2 05 08 19.7062775592 +17 21 48.085162020   15.4       ~ 129 0
37 MCG+10-09-002 Sy2 05 45 47.836 +58 42 03.83   16.0       ~ 110 2
38 ESO 306-25 Sy2 05 45 51.0548454576 -39 29 39.345071244   14.95 14.9 13.53   ~ 25 0
39 NGC 2273 Sy1 06 50 08.6691789600 +60 50 44.864645136   14.50 13.54     ~ 566 2
40 IRAS 06483-1955 Sy2 06 50 30.9288220776 -19 59 26.413242828   16.2       ~ 28 1
41 Z 176-27 Sy2 07 14 03.876 +35 16 45.59   14.5       ~ 85 1
42 MCG-05-18-002 Sy2 07 16 31.2062162520 -29 19 28.882826364   13.28 13.52 11.61   ~ 288 4
43 IC 2202 Sy2 07 27 54.7874648952 -67 34 27.111080748   13.63   12.57 13.0 ~ 45 0
44 NGC 2442 LIN 07 36 23.7700545576 -69 31 50.997856332 11.47 11.15 10.42 9.71 10.4 ~ 243 1
45 Z 88-14 Sy2 07 59 40.1314683888 +15 23 12.616863324   14.0       ~ 76 0
46 MCG+10-12-112 Sy2 08 16 01.357 +58 20 02.81   15.44 14.44     ~ 36 0
47 ESO 18-9 Sy2 08 24 07.927 -77 46 57.42   14.5 13.7     ~ 38 0
48 IRAS F08216+3009 Sy2 08 24 43.2850671960 +29 59 23.512801812   16.32 15.61     ~ 63 0
49 NGC 2617 Sy2 08 35 38.7981089496 -04 05 17.901104280   13.6   12.63 13.2 ~ 226 0
50 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1476 3
51 IC 630 GiP 10 38 33.6291893352 -07 10 14.528232696   13.3   12.9 12.3 ~ 72 0
52 MCG-03-27-025 Sy2 10 41 15.1485287880 -21 01 23.156696892   14.29   13.42   ~ 30 0
53 MCG-03-27-026 Sy2 10 42 18.8749393104 -17 38 54.653786520   14   13.13   ~ 25 0
54 2MASX J10481627+3316031 Sy2 10 48 16.3069241040 +33 16 03.205152228     17     ~ 12 0
55 Z 156-51 Sy1 11 17 52.6600203528 +29 18 16.105006800   15.85 15     ~ 35 0
56 ESO 216-24 Sy2 11 37 44.5199968776 -49 10 37.467131340   14.01   12.60 12.6 ~ 40 0
57 MCG-01-30-041 Sy2 11 52 38.1679065150 -05 12 25.269800173   14.78   9.6   ~ 71 0
58 POX 52 Sy2 12 02 56.93256 -20 56 02.9580           ~ 178 0
59 NGC 4102 Sy2 12 06 23.11513 +52 42 39.4160   11.8       ~ 449 1
60 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
61 M 89 Sy2 12 35 39.80733343 +12 33 22.8308657 11.29 10.73 9.75     ~ 1037 2
62 LEDA 166252 Sy2 12 41 25.7671390632 -57 50 03.479672436   17.4 16.9     ~ 85 0
63 NGC 4628 Sy2 12 42 25.2474767568 -06 58 15.805836228   13.8   13.5 12.9 ~ 81 0
64 NGC 4676A AGN 12 46 10.05987 +30 43 54.6380           ~ 286 2
65 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 318 0
66 NGC 4750 LIN 12 50 07.3113940944 +72 52 28.653179520   11.8       ~ 153 0
67 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1582 2
68 NGC 4968 Sy2 13 07 05.976 -23 40 37.34   13.78 14.79 12.46 12.78 ~ 198 2
69 PKS 1306-241 Sy1 13 08 42.01125890 -24 22 57.9385806   15.54   14.93 14.43 ~ 67 1
70 MCG+08-24-096 Sy2 13 15 17.2663982328 +44 24 25.601901516   16.5       ~ 105 0
71 LEDA 47327 Sy1 13 29 19.1825742216 -38 14 18.619735776   16.10 15.02 14.52 14.18 ~ 34 2
72 2dFGRS TGN271Z063 Sy2 14 00 40.5701804832 -01 55 18.192681192   17   15.634   ~ 43 0
73 NGC 5515 Sy2 14 12 38.1549690768 +39 18 36.851498964   13.7       ~ 75 1
74 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1331 1
75 LEDA 2221541 Sy2 14 26 28.8915283320 +43 28 15.035820996     17     ~ 16 0
76 IRAS 14317-3237 Sy2 14 34 45.4783927488 -32 50 32.402560416   15.9       ~ 33 1
77 LEDA 166352 Sy2 15 04 39.45 -68 00 07.4   17.3 17.3     ~ 9 0
78 NGC 5861 Sy2 15 09 16.09127 -11 19 17.9800   13.34 12.62 11.03 11.5 ~ 186 0
79 Z 22-21 Sy2 15 38 44.7635952480 -03 22 48.115054200   15.8   11.6   ~ 44 1
80 NGC 6159 Sy2 16 27 25.2376803504 +42 40 47.003214396   15.2       ~ 50 0
81 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2
82 NGC 6370 Sy2 17 23 25.159 +56 58 28.20   14.2       ~ 29 0
83 ESO 139-12 Sy2 17 37 39.0797034192 -59 56 26.644818696   13.61   12.84 12.7 ~ 83 0
84 NGC 6500 LIN 17 55 59.78218885 +18 20 17.6673590   13.43 12.54     ~ 232 1
85 NGC 6636 G 18 22 02.8247695872 +66 36 59.871455244   14.2       ~ 48 0
86 ESO 103-35 Sy2 18 38 20.3204821536 -65 25 39.141804936   14.75 14.53 13.24   ~ 342 0
87 IC 4729 Sy2 18 39 56.4717963696 -67 25 32.588497524   13.59   11.84 13.0 ~ 55 0
88 IC 4769 Sy2 18 47 44.0507117496 -63 09 25.055124876   14.09   12.71 13.4 ~ 85 0
89 IC 4777 Sy2 18 48 11.2992178896 -53 08 51.583361064   14.63 14.63 13.45   ~ 41 0
90 NGC 6786 Sy2 19 10 53.928 +73 24 36.20   13.7       ~ 80 1
91 MCG-07-40-004 AGN 19 38 16.6901530464 -38 53 41.013881592   14.98 14.97 13.46 14.1 ~ 25 0
92 Z 373-11 Sy2 20 26 55.64398 -02 16 39.4404           ~ 54 1
93 NGC 6926 Sy2 20 33 06.1084582704 -02 01 38.498909376   14.87 13.87 13.0 12.5 ~ 172 2
94 MCG-06-48-012 Sy1 22 00 29.3618948424 -33 22 17.929249644   14.54   13.39   ~ 35 1
95 NGC 7213 Bla 22 09 16.2100443720 -47 10 00.115999716   10.97 12.08 10.50 10.6 ~ 700 1
96 IC 5169 Sy2 22 10 10.005 -36 05 19.25   13.77 14.27 12.49   ~ 77 1
97 ESO 108-17 AGN 22 10 47.263 -66 52 09.57   14.02   13.25 14.1 ~ 38 0
98 Z 513-15 Sy2 22 12 31.538 +38 40 58.49   14.3       ~ 31 0
99 IRAS F22236-1606 IR 22 26 21.4 -15 51 28           ~ 3 0
100 Z 514-33 Sy2 22 27 05.7622213728 +36 21 41.588765964   14.6       ~ 58 0
101 IC 1459 rG 22 57 10.60682195 -36 27 43.9966421   10.96 11.85 9.34 10.3 ~ 652 2
102 Z 532-4 Sy2 22 58 55.3158091320 +40 55 56.459598672   14.7       ~ 79 0
103 Z 380-25 Sy2 23 18 53.8156942632 -01 03 36.948200112   14.53 14.6 13.30   ~ 35 0
104 NGC 7679 Sy2 23 28 46.6613717400 +03 30 41.013578196   13.2       ~ 289 1

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