Table 1
Detected 12.2 GHz methanol maser sources.
| Name (l b) | α (J2000) | δ (J2000) | Vpeak | Speak | ΔV | Sint | Epoch | References |
|---|---|---|---|---|---|---|---|---|
| (° °) | (h m s) | (° ′ ′′) | (km s−1) | (Jy) | (km s−1) | (Jy km s−1) | (MJD) | |
| G30.225−0.180 | 18 47 08.30 | −02 29 28.90 | 113.35 | 6.7 | 107;116 | 8.76 | 58 723 | 9,11 |
| G32.744−0.075 | 18 51 21.87 | −00 12 05.00 | 30.55 | 3.7 | 29;40 | 5.81 | 58 769 | 6,9,11,14 |
| G33.641−0.228 | 18 53 32.56 | 00 31 39.18 | 60.26 | 37.8 | 58;62 | 13.13 | 58 868 | 11,14 |
| G35.132−0.744 | 18 58 06.14 | 01 37 07.50 | 29.72 | 11.8 | 27;32 | 10.83 | 58 872 | 14 |
| G35.197−0.743 | 18 58 13.05 | 01 40 35.70 | 28.26 | 39.1 | 27;32 | 31.7 | 58 873 | 6,7,9,11,14 |
| G35.200−1.736 | 19 01 45.54 | 01 13 32.60 | 45.16 | 11.9 | 43;47 | 4.23 | 58 873 | 2,4,5,6,9,10,11,14 |
| G36.115+0.552 | 18 55 16.79 | 03 05 05.41 | 75.08 | 2.4 | 73;78 | 1.32 | 58 720 | 14 |
| G37.043−0.035 | 18 59 04.41 | 03 38 32.80 | 83.88 | 3.0 | 83;85 | 0.85 | 58 880 | 14 |
| G37.430+1.518 | 18 54 14.23 | 04 41 41.10 | 41.32 | 73.8 | 40;43 | 31.79 | 58 862 | 8,11,14 |
| G37.546−0.112 | 19 00 16.05 | 04 03 16.09 | 50.03 | 1.1 | 49;51 | 0.58 | 58 866 | 14 |
| G40.282−0.219 | 19 05 41.21 | 06 26 12.69 | 74.35 | 1.7 | 72;81 | 2.61 | 58 716 | 14 |
| G40.425+0.700 | 19 02 39.62 | 06 59 10.50 | 6.62 | 7.9 | 5;16 | 5.60 | 58 827 | 14 |
| G42.034+0.190 | 19 07 28.18 | 08 10 53.47 | 11.50 | 4.6 | 10;15 | 6.09 | 58 872 | 14 |
| G43.149+0.013 | 19 10 11.05 | 09 05 20.40 | 13.64 | 2.4 | 13;15 | 0.94 | 58 766 | 1,9,11,14 |
| G43.890−0.784 | 19 14 26.39 | 09 22 36.50 | 51.66 | 2.4 | 45;53 | 1.71 | 58 805 | 11,14 |
| G45.804−0.356 | 19 16 31.08 | 11 16 12.01 | 60.01 | 1.3 | 59;61 | 0.18 | 58 762 | 14 |
| G49.043−1.079 | 19 25 22.25 | 13 47 19.50 | 36.31 | 0.9 | 35;37 | 0.49 | 58 721 | 14 |
| G49.265+0.311 | 19 20 44.85 | 14 38 26.91 | −4.55 | 1.4 | −7;−3 | 1.83 | 58 827 | 14 |
| G49.349+0.413 | 19 20 32.44 | 14 45 45.44 | 68.14 | 2.0 | 66;70 | 1.24 | 58 860 | 14 |
| G49.416+0.326 | 19 20 59.21 | 14 46 49.60 | −10.18 | 0.8 | −10.8;−9.5 | 0.45 | 58 726 | 11,14 |
| G49.489−0.369 | 19 23 39.82 | 14 31 04.90 | 59.01 | 2.3 | 57;60 | 1.37 | 58 855 | 14 |
| G49.490−0.388 | 19 23 43.95 | 14 30 34.20 | 56.13 | 10.1 | 55;57 | 5.30 | 58 855 | 1,5,6,9,11,12,14 |
| G49.599−0.249 | 19 23 26.61 | 14 40 16.99 | 64.05 | 4.3 | 61;67 | 9.97 | 58 706 | 11,14 |
| G50.035+0.582(a) | 19 21 15.45 | 15 26 49.20 | −5.02 | 1.1 | −6;−3 | 0.41 | 58 717 | |
| G52.199+0.723 | 19 24 59.84 | 17 25 17.90 | 3.31 | 2.8 | 2;5 | 1.01 | 58 760 | 14 |
| G52.663−1.092 | 19 32 36.07 | 16 57 38.40 | 65.22 | 2.6 | 64;67 | 1.24 | 58 870 | 11,14 |
| G59.783+0.065 | 19 43 11.25 | 23 44 03.30 | 26.96 | 4.3 | 26;29 | 1.97 | 58 870 | 9,11 |
| G79.736+0.991 | 20 30 50.67 | 41 02 27.60 | −5.59 | 4.7 | −7;−4 | 3.04 | 58 713 | 11 |
| G85.410+0.003(a) | 20 54 13.68 | 44 54 07.60 | −29.74 | 5.7 | −33;−27 | 5.63 | 58 870 | |
| G107.298+5.639(a) | 22 21 22.50 | 63 51 13.00 | −7.34 | 25.1 | −9;−6 | 8.44 | 58 677 | |
| G109.871+2.114 | 22 56 17.90 | 62 01 49.65 | −4.07 | 44.5 | −5;−1 | 10.99 | 58 902 | 4,5,11 |
| G111.542+0.777 | 23 13 45.36 | 61 28 10.55 | −61.30 | 36.7 | −55;−62 | 49.46 | 58 702 | 1,4,5,11 |
| G133.947+1.064 | 02 27 03.82 | 61 52 25.40 | −44.54 | 601.3 | −47;−41 | 1334.22 | 58 770 | 1,4,5,11 |
| G183.348−0.575(a) | 05 51 10.94 | 25 46 17.24 | −4.87 | 2.6 | −6;−4 | 1.15 | 58 703 | |
| G188.946+0.886 | 06 08 53.34 | 21 38 29.16 | 10.84 | 268.0 | 8;12 | 196.28 | 58 892 | 3,4,5,6,9,11,13 |
| G192.600−0.048 | 06 12 54.02 | 17 59 23.32 | 5.84 | 25.9 | 3;7 | 17.40 | 58 723 | 12,13 |
Notes. Column 1 presents the methanol maser galactic coordinates, Cols. 2–3 give equatorial coordinates of the 6.7 GHz methanol masers (Breen et al. 2016; Szymczak et al. 2012; Hu et al. 2016). Columns 4–8 present characteristics of the obtained spectra; the velocity of the strongest peak relative to the local standard of rest (Vpeak), peak flux density (Speak), velocity range of the maser emission (ΔV), integrated flux density (Sint), and epoch of observation, respectively. For G107.298+5.639 the epoch of the strongest flare was selected. The last column list the references to previous detections. (a)Newly detected 12.2 GHz maser.
References.(1) Batrla et al. (1987); (2) Norris et al. (1987); (3) Kemball et al. (1988); (4) Koo et al. (1988); (5) Catarzi et al. (1993); (6) Caswell et al. (1993); (7) MacLeod et al. (1993); (8) Gaylard et al. (1994); (9) Caswell et al. (1995a); (10) Moscadelli & Catarzi (1996); (11) Błaszkiewicz & Kus (2004); (12) Breen et al. (2010); (13) Breen et al. (2012a); (14) Breen et al. (2016).
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