2024A&A...686A.172W

Query : 2024A&A...686A.172W

2024A&A...686A.172W - Astronomy and Astrophysics, volume 686A172 (2024/6-1)

GMRT observations of hydroxyl megamaser (OHM) candidates from the ALFALFA survey.

WANG S., WU Z., ZHANG B., SOTNIKOVA Y., MUFAKHAROV T., SHEN Z., CHEN Y. and WU J.

Abstract (from CDS):

We present the results of our observations using the Giant Meterwave Radio Telescope (GMRT) to investigate the radio continuum and hydroxyl (OH) line emission of ten OH megamaser (OHM) candidates from the Arecibo Legacy Fast ALFA (ALFALFA) survey. Among these candidates, we identified two sources, AGC 115713 and AGC 249507, displaying compact OH line emission that is spatially associated with radio continuum emission. These characteristics are aligned with the typical properties of OHM galaxies. Furthermore, the infrared (IR) properties of these two galaxies are consistent with those of known OHM galaxies. Of the two sources, AGC 249507 has been confirmed through optical redshift, whereas AGC 115713 is aligned with a WISE color selection criterion in the literature, providing additional support for this source being an OHM galaxy, rather than a nearby H I galaxy. On the contrary, no significant spectral line emission was detected in the remaining eight OHM candidates using our full GMRT dataset. This suggests that the spectral line emission initially detected by the ALFALFA survey may have been significantly resolved in the high-resolution observations used in this work. Additionally, the absence of radio continuum emission in six candidates also distinguishes them from known OHM galaxies documented in the literature. These findings support the notion that OHM emission may be distributed on a subarcsecond scale, underscoring the utility of arcsecond-scale observations in confirming OHM candidates, particularly those lacking optical redshift data.

Abstract Copyright: © The Authors 2024

Journal keyword(s): galaxies: active - galaxies: nuclei - infrared: galaxies - radio continuum: galaxies - radio lines: galaxies

Simbad objects: 152

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Number of rows : 152
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 SDSS J000336.02+253204.0 G 00 03 36.033 +25 32 04.01           ~ 2 0
2 NGC 17 Sy2 00 11 06.612 -12 06 28.33   14.14 13.52     ~ 369 1
3 MCG-02-01-051 Sy2 00 18 50.898 -10 22 36.49   14.81 14.33     ~ 154 3
4 AGC 102850 G 00 29 58.2 +30 58 32           ~ 2 0
5 NGC 134 EmG 00 30 21.61 -33 14 46.2   11.14 10.12 9.69 10.4 ~ 176 1
6 4C 32.03 rG 00 40 54.9 +33 10 04   20       ~ 147 1
7 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
8 MCG+12-02-001 AG? 00 54 03.943 +73 05 05.23   16       ~ 120 1
9 AGC 114732 G 01 01 10.7 +09 46 26           ~ 1 0
10 IC 1623 IG 01 07 47.24 -17 30 25.0   15       ~ 338 2
11 4C 08.06 BLL 01 19 01.27427447 +08 29 54.7039831   20.5       ~ 78 1
12 Z 436-30 LIN 01 20 02.654 +14 21 41.73   14.9       ~ 176 1
13 NGC 520 AGN 01 24 35.07120 +03 47 32.6760 12.41 12.24 11.42     ~ 528 3
14 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
15 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1934 1
16 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
17 3C 49 rG 01 41 09.161 +13 53 28.07   22.327 20.920 20.876   ~ 189 1
18 AGC 115713 G 01 41 34.1 +16 57 18           ~ 1 0
19 NGC 660 Sy2 01 43 02.350 +13 38 44.45   12.02 11.16     ~ 588 2
20 QSO B0146+056 Bla 01 49 22.37088634 +05 55 53.5685702   20.7 19.0 20.30   ~ 136 1
21 AGC 115018 G 01 58 47.1 +07 31 59           ~ 1 0
22 LEDA 74053 Sy1 01 59 13.7621836560 -29 24 34.941722688   18.18 18.20     ~ 55 1
23 NGC 772 GiP 01 59 19.5557148984 +19 00 27.475677216 11.35 11.09 10.31 10.23 9.38 ~ 339 1
24 AGC 124351 G 02 17 51.0 +07 24 47           ~ 1 0
25 NGC 877 LSB 02 17 59.6453041536 +14 32 38.215857696   12.5       ~ 189 1
26 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1741 2
27 4C 06.11 Bla 02 24 28.42818961 +06 59 23.3415566   20.8 20.0 17.78   ~ 172 1
28 NGC 925 H2G 02 27 16.913 +33 34 43.97   10.69 10.12 9.55   ~ 818 1
29 NGC 1022 GiG 02 38 32.703 -06 40 38.60 12.33 12.09 11.34     ~ 213 1
30 NGC 1055 EmG 02 41 45.233 +00 26 35.45 11.59 11.40 10.59 10.5 10.7 ~ 297 2
31 UGCA 39 GiG 02 41 55.092 +59 36 14.73   16       ~ 360 1
32 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
33 NGC 1058 Sy2 02 43 30.0264850248 +37 20 28.782851784   12.29 11.75 10.85   ~ 483 0
34 NGC 1097 LIN 02 46 19.059 -30 16 29.68 10.46 9.97 9.48 8.72 9.8 ~ 1448 3
35 2MASX J02513583+4315117 LIN 02 51 35.8187772168 +43 15 11.772126504   18.09 17.36     ~ 60 0
36 IC 342 AGN 03 46 48.514 +68 05 45.98   10.5       ~ 1579 1
37 NGC 1530 AG? 04 23 27.102 +75 17 44.05   13.40       ~ 287 1
38 NGC 1569 rG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1297 3
39 NGC 1614 Sy1 04 34 00.027 -08 34 44.57   14.66 13.99     ~ 697 1
40 NGC 1808 Sy2 05 07 42.343 -37 30 46.98 11.05 10.80 9.94 9.36 10.2 ~ 756 3
41 ICRF J054236.1+495107 Sy1 05 42 36.13789710 +49 51 07.2337139   18.45 17.80 17.210   ~ 1573 1
42 NGC 2146 AGN 06 18 37.710 +78 21 25.27 11.67 11.38 10.59     ~ 765 2
43 ESO 557-2 EmG 06 31 47.217 -17 37 17.09   15.03   13.21   ~ 74 1
44 NGC 2273 Sy1 06 50 08.6691789600 +60 50 44.864645136   14.50 13.54     ~ 566 2
45 NGC 2276 AG? 07 27 14.485 +85 45 16.20   12.3       ~ 393 0
46 NGC 2388 AGN 07 28 53.4535009080 +33 49 08.554343196   14.7       ~ 145 2
47 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1887 1
48 MCG-04-21-005 AGN 08 36 15.190 -26 24 33.66 12.04 11.93 11.45 11.09 12.3 ~ 600 3
49 NGC 2764 GiG 09 08 17.5023934176 +21 26 36.007547028   13.9       ~ 130 1
50 UGC 4881 IG 09 15 55.5 +44 19 58   14.9       ~ 178 0
51 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1113 1
52 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
53 NGC 2976 GiG 09 47 15.458 +67 54 58.97 11.77 11.03 10.16 9.51   ~ 712 1
54 NGC 3032 AGN 09 52 08.1524118072 +29 14 10.364182440   13.87 13.28     ~ 260 0
55 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
56 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1476 3
57 2MASS J10110037+2740364 G 10 11 00.37848 +27 40 36.4440           ~ 1 0
58 AGC 749309 G 10 11 01.031 +27 40 12.62           ~ 4 0
59 WISEA J101103.18+273925.7 MIR 10 11 03.18 +27 39 25.7           ~ 1 0
60 Ton 490 Bla 10 13 53.42877250 +24 49 16.4406795   16.59 16.57 15.85   ~ 200 1
61 NGC 3147 Sy2 10 16 53.6388580752 +73 24 02.641798224   11.43 10.61     ~ 533 2
62 NGC 3310 AGN 10 38 45.85707 +53 30 11.8940   12.45 12.15     ~ 809 1
63 NGC 3338 SyG 10 42 07.5363224928 +13 44 49.177468104   12.1       ~ 268 0
64 M 95 GiP 10 43 57.7313485800 +11 42 13.301191332 10.71 10.51 9.73 9.48   ~ 1238 2
65 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 862 1
66 NGC 3486 Sy2 11 00 23.946 +28 58 29.35 10.89 11.11 10.53 10.40   ~ 373 1
67 NGC 3504 LIN 11 03 11.19147 +27 58 20.7660   13.48 12.93     ~ 545 2
68 APG 148 IG 11 03 53.89153 +40 50 59.8850   14.29       ~ 190 1
69 NGC 3521 EmG 11 05 48.5680991376 -00 02 09.245076540 10.06 9.83 9.02 10.1 9.6 ~ 879 2
70 M 108 AGN 11 11 30.967 +55 40 26.84   10.70       ~ 497 1
71 M 66 AGN 11 20 15.0 +12 59 29 9.85 9.65 8.92     ~ 1509 4
72 NGC 3628 LIN 11 20 17.018 +13 35 22.16   10.42 9.48 9.22   ~ 853 3
73 NGC 3675 GiG 11 26 08.5641089832 +43 35 09.587062464   11.04   9.57   ~ 300 1
74 NGC 3690 IG 11 28 31.0 +58 33 41   13.19 12.86     ~ 1015 4
75 4C 32.38 Rad 11 30 33.6 +32 21 27           ~ 9 1
76 AGC 219835 G 11 30 34.2 +32 22 08           ~ 2 0
77 NGC 3726 G 11 33 21.1367545656 +47 01 45.280222428   11.11   10.02   ~ 374 0
78 NGC 3893 GiG 11 48 38.207 +48 42 38.84   11.23 10.67     ~ 391 1
79 NGC 3938 GiG 11 52 49.4335936248 +44 07 14.697085116 10.80 10.90 10.38     ~ 566 1
80 4C 31.38 Sy2 11 56 18.7420683840 +31 28 04.676598588   19.33 18.96     ~ 141 1
81 NGC 4030 EmG 12 00 23.6102390784 -01 06 00.197099136   11.42   10.3 10.4 ~ 361 1
82 NGC 4150 GiG 12 10 33.655 +30 24 05.35 12.72 12.44 11.64     ~ 331 2
83 NGC 4178 H2G 12 12 46.443 +10 51 57.59   12.9       ~ 367 0
84 NGC 4189 GiC 12 13 47.2380839784 +13 25 29.445094632   12.51 11.74     ~ 294 1
85 NGC 4194 rG 12 14 09.615 +54 31 35.93   13.79 13.30     ~ 467 2
86 M 99 H2G 12 18 49.625 +14 24 59.36 10.45 10.44 9.87     ~ 1004 2
87 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
88 NGC 4294 GiC 12 21 17.787 +11 30 39.99   12.6       ~ 320 0
89 NGC 4299 GiC 12 21 40.548 +11 29 59.74   12.8       ~ 271 0
90 M 61 Sy2 12 21 54.9282582888 +04 28 25.597367184 10.07 10.18 9.65     ~ 1084 1
91 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
92 NGC 4394 GiP 12 25 55.6366312872 +18 12 50.110707636   11.9       ~ 379 0
93 NGC 4402 GiC 12 26 07.65312 +13 06 47.9376   12.55       ~ 421 2
94 NGC 4414 GiC 12 26 27.1276893168 +31 13 24.626206488 11.12 10.96 10.12     ~ 593 2
95 M 88 Sy2 12 31 59.1525062448 +14 25 13.148971824   14.33 13.18     ~ 843 1
96 NGC 4526 GiC 12 34 03.02853 +07 41 56.9040   10.6       ~ 707 0
97 NGC 4535 H2G 12 34 20.3443516704 +08 11 51.908488116   11.1       ~ 679 0
98 M 91 LIN 12 35 26.4446761320 +14 29 46.760333748   14.63 13.57     ~ 639 0
99 NGC 4561 GiG 12 36 08.137 +19 19 21.32   12.7       ~ 211 0
100 M 90 Sy2 12 36 49.8009839880 +13 09 46.523813040 10.56 10.26 9.54     ~ 953 1
101 M 58 Sy2 12 37 43.59747 +11 49 05.1240 10.80 10.48 9.66     ~ 1140 2
102 NGC 4631 GiC 12 42 08.009 +32 32 29.44   9.78 9.19 9.10   ~ 1154 3
103 NGC 4639 Sy1 12 42 52.3785000336 +13 15 26.706153600   13.62 12.72     ~ 642 0
104 NGC 4647 H2G 12 43 32.542 +11 34 56.89   12.5 12.5     ~ 423 1
105 NGC 4651 LIN 12 43 42.6376070448 +16 23 36.002649300   11.30 10.92 10.42 9.84 ~ 537 0
106 NGC 4654 H2G 12 43 56.638 +13 07 34.86   11.8       ~ 600 1
107 NGC 4689 H2G 12 47 45.5568088416 +13 45 46.135889100   12.8       ~ 418 0
108 NGC 4698 Sy2 12 48 22.9082830584 +08 29 14.667552276   13.24 12.27     ~ 507 0
109 NGC 4713 GiG 12 49 57.8802780576 +05 18 40.933127196   12.3       ~ 320 1
110 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1476 2
111 M 64 SyG 12 56 43.696 +21 40 57.57   9.36 8.52     ~ 1010 2
112 MCG-04-31-023 Sy1 13 02 52.3177169808 -23 55 17.932558692   14.77 14.78 13.24 13.59 ~ 131 1
113 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1582 2
114 NGC 5005 LIN 13 10 56.312 +37 03 32.19   14.67 13.67     ~ 567 2
115 NGC 5033 Sy2 13 13 27.535 +36 35 37.14   11.01 12.03 9.73   ~ 909 1
116 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1292 2
117 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
118 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
119 M 83 SBG 13 37 00.91920 -29 51 56.7400 8.85 8.11 7.52 7.21   ~ 2778 2
120 NGC 5256 PaG 13 38 17.81 +48 16 41.2   14.1 13.42     ~ 449 1
121 NGC 5258 GiP 13 39 57.6768310848 +00 49 51.009668076   13.8 12.83     ~ 186 0
122 PKS 1345+12 Sy2 13 47 33.36161873 +12 17 24.2398927   19.28 18.44 15.718   ~ 652 2
123 NGC 5347 Sy2 13 53 17.7984934128 +33 29 27.011618196   13.46 12.70     ~ 373 1
124 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 3138 2
125 FIRST J140340.3+295456 rG 14 03 40.3486209504 +29 54 56.682044532           ~ 6 0
126 Mrk 668 BLL 14 07 00.39441712 +28 27 14.6901341   16.13 15.35 10.29   ~ 826 3
127 NGC 5678 SyG 14 32 05.5700264952 +57 55 17.155392060   12.10       ~ 240 1
128 NGC 5713 GiG 14 40 11.528 -00 17 21.16 11.88 11.84 11.20     ~ 421 2
129 NGC 5775 GiG 14 53 57.653 +03 32 40.10   13.0 11.34     ~ 460 2
130 Z 221-50 SyG 15 18 06.1187 +42 44 45.086   15.0 15     ~ 239 1
131 NGC 5936 AGN 15 30 00.846 +12 59 21.55   13.0       ~ 179 1
132 NGC 5990 Sy2 15 46 16.3702704024 +02 24 55.693907820   13.1       ~ 158 1
133 NGC 6090 PaG 16 11 40.3 +52 27 21   14.0       ~ 446 1
134 NGC 6207 GiC 16 43 03.750 +36 49 56.73   12.189 11.651 11.240 10.691 ~ 258 0
135 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2
136 NGC 6286 AGN 16 58 31.3566512040 +58 56 10.114753560   14.2       ~ 202 1
137 NGC 6503 LIN 17 49 26.4207792072 +70 08 39.604132176 11.56 10.95 10.28 9.92   ~ 551 1
138 NGC 6643 AG? 18 19 46.370 +74 34 06.23   11.80       ~ 320 1
139 NGC 6814 Sy1 19 42 40.5862186152 -10 19 25.108718844   15.33 14.21 11.7 11.3 ~ 866 0
140 NGC 6907 AG? 20 25 06.63 -24 48 33.0   11.91 11.30 10.47 11.3 ~ 189 2
141 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2661 2
142 NGC 6951 Sy2 20 37 14.1228088488 +66 06 20.049916392   11.64 10.65     ~ 553 2
143 Z 448-20 G 20 57 23.62800 +17 07 44.5980   15.2       ~ 190 0
144 4C 11.69 Bla 22 32 36.40890093 +11 43 50.9040592   17.75 17.33     ~ 1205 2
145 2MASS J22360537+0957265 G 22 36 05.37624 +09 57 26.5428           ~ 1 0
146 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1284 2
147 NGC 7465 Sy2 23 02 00.9603717552 +15 57 53.236032120   13.3       ~ 333 0
148 NGC 7479 Sy2 23 04 56.6432243448 +12 19 22.357387020 11.74 11.60 10.85 10.47 9.66 ~ 783 2
149 NGC 7582 Sy2 23 18 23.60 -42 22 13.3 11.62 10.92 10.62     ~ 978 3
150 NGC 7674 Sy1 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 738 2
151 ICRF J234029.0+264156 BLL 23 40 29.02947125 +26 41 56.8046329   20.0 20 19.24   ~ 60 1
152 NGC 7771 GiG 23 51 24.880 +20 06 42.57 13.42 13.08 12.25     ~ 350 3

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