2005PASJ...57..587S


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.17CEST21:05:34

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 - 2021
#notes
1 ESO 538-25 Sy2 00 10 54.2391263882 -21 04 02.721596362   15.26 15.3 13.79   ~ 24 0
2 NGC 70 Sy2 00 18 22.572 +30 04 46.35   14.5       ~ 64 0
3 NGC 71 Sy2 00 18 23.553 +30 03 47.78   14.8       ~ 41 0
4 ESO 540-14 GiP 00 41 11.8315294270 -21 07 53.221925985   15.05   14.45   ~ 25 0
5 NGC 262 Sy2 00 48 47.1414900 +31 57 25.083955 14.04 13.90 13.06 8.53   ~ 685 3
6 2MASX J01033102-1216077 Sy2 01 03 31.026 -12 16 07.71     15.95     ~ 6 0
7 ESO 13-12 G 01 07 02.316 -80 18 27.78   13.49   11.86   ~ 59 0
8 IC 1657 Sy2 01 14 07.018 -32 39 03.23   13.16   12.02 13.0 ~ 89 0
9 ESO 195-35 Sy2 01 15 55.2580634706 -50 11 21.841631552   14.43 14.25 13.11   ~ 31 0
10 MCG-01-05-031 Sy2 01 45 25.4697307890 -03 49 37.692407895   14 14 12.91   ~ 44 0
11 ESO 80-5 Sy1 01 47 39.2861593794 -66 09 47.465709054   16.05 16.0 14.57   ~ 14 0
12 NGC 708 BiC 01 52 46.482 +36 09 06.53 14.85 14.27 13.29 12.67 12.09 ~ 216 3
13 UGC 1416 Sy2 01 56 46.064 +36 53 11.24   14.9   13.64   ~ 51 0
14 UGC 1479 Sy2 02 00 19.054 +24 28 25.08   14.8       ~ 55 0
15 ESO 153-20 Sy2 02 06 03.510 -55 11 36.63   14.06 14.31 12.67 13.3 ~ 56 0
16 NGC 833 Sy2 02 09 20.846 -10 07 59.11   14.02 13.00 12.75   ~ 162 0
17 IC 1816 Sy2 02 31 50.9843598788 -36 40 19.741518610   13.86 14.26 12.28   ~ 90 0
18 NGC 1052 GiP 02 41 04.79851 -08 15 20.7517 11.84 11.41 10.47 10.71   ~ 1181 2
19 NGC 1050 Sy2 02 42 35.577 +34 45 48.46   13.71 12.81 12.25 11.48 ~ 67 0
20 M 77 GiP 02 42 40.771 -00 00 47.84 9.70 9.61 8.87 10.1 9.9 ~ 4204 2
21 ESO 479-31 GiG 02 44 47.7206386086 -24 30 49.922976909   14.76   13.23   ~ 23 0
22 IC 1859 Sy2 02 49 03.9281273964 -31 10 21.041239426   14.27   12.93   ~ 46 1
23 ESO 299-20 Sy2 02 49 33.961 -38 46 10.42   14.21   12.52   ~ 37 0
24 RXC J0255.8+0918 ClG 02 55 51.3 +09 18 48           ~ 21 0
25 IC 1867 Sy2 02 55 52.262 +09 18 42.35   15.0       ~ 26 0
26 ESO 417-6 Sy2 02 56 21.530 -32 11 08.17   14.29   13.13   ~ 66 0
27 NGC 1217 LIN 03 06 06.0419355247 -39 02 10.897090789   13.34   11.46   ~ 39 0
28 IC 1904 G 03 15 00.7553240950 -30 42 28.605411585   14.41   12.99   ~ 24 0
29 ESO 116-18 Sy2 03 24 53.044 -60 44 18.13   15.09 12.7 13.53   ~ 38 0
30 UGC 2936 Sy2 04 02 48.255 +01 57 56.63   14.60 13.33 12.51 11.28 ~ 85 0
31 ESO 420-13 Sy2 04 13 49.699 -32 00 25.20   13.31 13.3 12.14   ~ 78 0
32 2MASX J04271352-6246502 GiG 04 27 13.520 -62 46 50.22           ~ 9 0
33 ESO 119-8 Sy2 04 48 56.728 -57 39 32.94   14.82 14.8 13.70 13.7 ~ 21 0
34 IRAS 04502-0317 Sy2 04 52 44.517 -03 12 57.10   15.80 15.0 14.85   ~ 46 0
35 ESO 33-2 Sy2 04 55 58.9243434325 -75 32 28.291629714   14.61 14.60 13.39   ~ 134 1
36 2MASX J05081967+1721483 Sy2 05 08 19.7065114077 +17 21 48.088335947   15.4       ~ 78 0
37 UGC 3351 Sy2 05 45 47.836 +58 42 03.83   16.0       ~ 90 2
38 ESO 306-25 Sy2 05 45 51.0544896802 -39 29 39.359964314   14.95 14.9 13.53   ~ 20 0
39 NGC 2273 Sy2 06 50 08.6724567505 +60 50 44.879789544   14.50 13.54     ~ 481 3
40 2MASX J06503094-1959267 Sy1 06 50 30.9283931878 -19 59 26.410462247   16.2       ~ 23 0
41 UGC 3752 Sy2 07 14 03.876 +35 16 45.59   14.5       ~ 55 0
42 ESO 428-14 Sy2 07 16 31.2067043371 -29 19 28.898984517   13.28 13.52 11.61   ~ 227 4
43 IC 2202 Sy2 07 27 54.7866190730 -67 34 27.106681813   13.63   12.57 13.0 ~ 37 0
44 NGC 2442 LIN 07 36 23.842 -69 31 50.96 11.47 11.15 10.42 9.71 10.4 ~ 191 1
45 UGC 4145 Sy2 07 59 40.1306100542 +15 23 12.626566898   14.0       ~ 52 0
46 MCG+10-12-112 Sy2 08 16 01.357 +58 20 02.81   15.44 14.44     ~ 30 0
47 ESO 18-9 Sy2 08 24 07.927 -77 46 57.42   14.5 13.7     ~ 30 0
48 IRAS F08216+3009 Sy2 08 24 43.2874379617 +29 59 23.513991330   16.32 15.61     ~ 43 0
49 NGC 2617 Sy1 08 35 38.7980637155 -04 05 17.902881609   13.6   12.63 13.2 ~ 132 0
50 NGC 3079 Sy2 10 01 57.80342 +55 40 47.2428 11.57 11.54 10.86     ~ 1287 3
51 IC 630 GiP 10 38 33.6294325169 -07 10 14.545721683   13.3   12.9 12.3 ~ 59 0
52 ESO 568-21 Sy1 10 41 15.1477235057 -21 01 23.153606522   14.29   13.42   ~ 23 0
53 MCG-03-27-026 Sy2 10 42 18.8742060345 -17 38 54.650697982   14   13.13   ~ 22 0
54 2MASX J10481627+3316031 Sy2 10 48 16.300 +33 16 03.19     17     ~ 11 0
55 2MASX J11175266+2918162 Sy1 11 17 52.6599601674 +29 18 16.072306066   15.6 15.06     ~ 32 0
56 ESO 216-24 Sy1 11 37 44.5083492884 -49 10 37.444162695   14.01   12.60 12.6 ~ 33 0
57 MCG-01-30-041 Sy1 11 52 38.1682550442 -05 12 25.271109876   14.78   9.6   ~ 47 0
58 NAME G 1200-2038 Sy1 12 02 56.8 -20 56 03           ~ 141 0
59 NGC 4102 LIN 12 06 23.115 +52 42 39.42   11.8       ~ 385 1
60 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2183 3
61 M 89 LIN 12 35 39.8073444 +12 33 22.830809 11.29 10.73 9.75     ~ 941 2
62 2MASX J12412572-5750038 Sy2 12 41 25.7672413457 -57 50 03.481040498   17.4 16.9     ~ 62 0
63 NGC 4628 Sy2 12 42 25.276 -06 58 15.47   13.8   13.5 12.9 ~ 67 0
64 IC 819 AGN 12 46 10.060 +30 43 54.64           ~ 257 1
65 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 298 0
66 NGC 4750 LIN 12 50 07.3079114506 +72 52 28.636473003   11.8       ~ 125 0
67 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1316 2
68 NGC 4968 Sy2 13 07 05.976 -23 40 37.34   13.78 14.79 12.46   ~ 166 1
69 PKS 1306-241 G 13 08 42.012 -24 22 58.15   15.5       ~ 55 1
70 Mrk 248 Sy2 13 15 17.2616564321 +44 24 25.531060206   16.5       ~ 71 0
71 2MASX J13291917-3814182 LIN 13 29 19.1817380386 -38 14 18.622562934   16.10 15.02 14.52   ~ 24 2
72 2dFGRS TGN271Z063 Sy2 14 00 40.5696340260 -01 55 18.204939561   17   15.634   ~ 38 0
73 NGC 5515 Sy1 14 12 38.1607699858 +39 18 36.900826289   13.7       ~ 61 1
74 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1042 2
75 LEDA 2221541 Sy2 14 26 28.860 +43 28 14.95     17     ~ 14 0
76 IRAS 14317-3237 Sy2 14 34 45.4780742379 -32 50 32.406238178   15.9       ~ 29 1
77 LEDA 166352 Sy2 15 04 37.6 -68 00 00   17.3 17.3     ~ 8 0
78 NGC 5861 Sy2 15 09 16.091 -11 19 17.98   13.34 12.62 11.03 11.5 ~ 151 0
79 2MASX J15384478-0322477 Sy1 15 38 44.788 -03 22 47.78   15.8   11.6   ~ 34 0
80 NGC 6159 Sy2 16 27 25.234 +42 40 47.01   15.2       ~ 36 0
81 NGC 6240 Sy2 16 52 58.861 +02 24 03.55   14.31 13.37     ~ 1519 2
82 NGC 6370 Sy2 17 23 25.159 +56 58 28.20   14.2       ~ 25 0
83 ESO 139-12 Sy2 17 37 39.0788400819 -59 56 26.644633335   13.61   12.84 12.7 ~ 62 0
84 NGC 6500 LIN 17 55 59.78195 +18 20 17.6713   13.43 12.54     ~ 211 0
85 NGC 6636 GiP 18 22 02.871 +66 36 59.62   14.2       ~ 43 0
86 ESO 103-35 Sy2 18 38 20.3207055742 -65 25 39.142872479   14.75 14.53 13.24   ~ 284 0
87 IC 4729 Sy2 18 39 56.396 -67 25 32.54   13.59   11.84 13.0 ~ 45 0
88 IC 4769 Sy2 18 47 44.0482850819 -63 09 25.053255696   14.09   12.71 13.4 ~ 72 0
89 IC 4777 Sy2 18 48 11.2978913122 -53 08 51.597824987   14.63 14.63 13.45   ~ 33 0
90 NGC 6786 Sy2 19 10 53.928 +73 24 36.20   13.7       ~ 62 1
91 ESO 338-17 AGN 19 38 16.6913297685 -38 53 41.051348935   14.98 14.97 13.46 14.1 ~ 22 0
92 6dFGS gJ202655.8-021639 Sy2 20 26 55.83 -02 16 39.1   15.20       ~ 36 0
93 NGC 6926 Sy2 20 33 06.108 -02 01 39.07   14.87 13.87 13.0 12.5 ~ 131 2
94 ESO 404-15 EmG 22 00 29.3618063850 -33 22 17.927196672   14.54   13.39   ~ 27 1
95 NGC 7213 Sy1 22 09 16.2106632887 -47 10 00.082166299   10.97 12.08 10.50 10.6 ~ 610 0
96 IC 5169 Sy2 22 10 10.005 -36 05 19.25   13.77 14.27 12.49   ~ 62 0
97 ESO 108-17 AGN 22 10 47.263 -66 52 09.57   14.02   13.25 14.1 ~ 28 0
98 UGC 11950 Sy2 22 12 31.538 +38 40 58.49   14.3       ~ 25 0
99 IRAS F22236-1606 IR 22 26 21.4 -15 51 28           ~ 2 0
100 UGC 12040 Sy2 22 27 05.7630426810 +36 21 41.602362236   14.6       ~ 36 0
101 IC 1459 GiP 22 57 10.60677155 -36 27 43.9953697   10.96 11.85 9.34 10.3 ~ 586 2
102 UGC 12282 Sy1 22 58 55.283 +40 55 55.97   14.7       ~ 54 0
103 UGC 12492 Sy2 23 18 53.8149360327 -01 03 36.968322094   14.53 14.6 13.30   ~ 29 0
104 NGC 7679 Sy2 23 28 46.670 +03 30 40.99   13.2       ~ 240 1

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2021.05.17-21:05:34

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