Table 1
Related parameters of the class II methanol masers observed with the Effelsberg 100 m radio telescope.
| PID | Maser | Offset | Distance | 6.7 GHz CH3OH | BGPS source | |||||||||
| V start | V end | V p | S p | S int | Luminosity | ref. | M | n(H2) | N(H2) | |||||
| (″) | (kpc) | km s-1 | km s-1 | km s-1 | (Jy) | (Jy km s-1) | (10-7 L⊙) | (M⊙) | (103 cm-3) | (1022 cm-2) | ||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | (13) | (14) | |
|
|
||||||||||||||
| 1175 | 06.189-0.358 | 7 | 5.1G | –37.5 | –27.1 | –30.2 | 0.5(0.25) | 0.8 | 6.5 | 0, 2 | 2420 | 5.8 | 2.8 | |
| 1682 | 12.199-0.033 | 7 | 12.0G | 48.2 | 57.3 | 49.3 | 14.6(0.17) | 22.3 | 1004.9 | 0, 2 | 5963 | 0.8 | 1.1 | |
| 1796⊲ | 12.909-0.260 | 175 | 3.6S | 38.6 | 40.6 | 39.8 | 2.3(0.13) | 2.4 | 9.9 | 0 | 364 | – | – | |
| 1809 | 12.904-0.031 | 4 | 4.6S | 58.2 | 60.4 | 58.8 | 60.3(0.24) | 44.4 | 293.5 | 0, 2 | 1509 | 2.0 | 1.2 | |
| 2246 | 16.112-0.303 | 12 | 3.0G | 34.1 | 35.1 | 34.5 | 2.2(0.11) | 1.0 | 2.8 | 0, 2 | 69 | 1.6 | 0.4 | |
| 2467 | 18.888-0.475 | 3 | 3.8G | 52.9 | 57.9 | 56.5 | 6.3(0.13) | 8.2 | 37.2 | 0, 2 | 2853 | 1.8 | 1.4 | |
| 2579 | 19.496+0.115 | 14 | 9.8G | 120.7 | 121.8 | 121.1 | 4.8(0.14) | 2.2 | 66.7 | 0, 2 | 2350 | 0.3 | 0.4 | |
| 2619 | 19.755-0.128 | 4 | 9.9G | 115.9 | 123.4 | 123.0 | 2.2(0.08) | 1.7 | 53.3 | 0, 2 | 5386 | 0.5 | 0.7 | |
| 2994⊲ | 23.010-00.411 | 293 | 4.2N | 72.8 | 76.6 | 74.9 | 1.2(0.09) | 1.9 | 10.6 | 0 | 762 | 0.8 | 0.5 | |
| 3081⊲ | 23.437-0.184 | 135 | 5.4S | 96.3 | 108.1 | 97.7 | 2.4(0.11) | 6.9 | 62.9 | 0 | 1189 | 1.3 | 0.8 | |
| 3383∗ | 24.63+00.16 | – | 3.5S | 113.8 | 115.6 | 114.4 | 1.3(0.09) | 0.7 | 2.6 | 0 | 497 | 3.2 | 1.1 | |
| 3474∗ | 25.23+00.29 | – | 3.2S | 41.2 | 42.3 | 41.8 | 0.7(0.11) | 0.2 | 0.7 | 0 | 458 | 6.1 | 1.7 | |
| 3591∗ | 25.81-00.04 | – | 5.1S | 97.1 | 98.1 | 97.4 | 1.3(0.20) | 0.5 | 3.8 | 0 | 1344 | 1.7 | 1.0 | |
| 3616∗ | 25.92-00.14 | – | 5.6N | 111.4 | 115.6 | 113.9 | 1.4(0.10) | 1.2 | 12.1 | 0 | 347 | 0.8 | 0.4 | |
| 3690⊲ | 26.53-0.27 | 185 | 5.8S | 102.1 | 110.5 | 107.1 | 1.0(0.09) | 1.9 | 20.3 | 0 | 2307 | 1.1 | 0.9 | |
| 3807∗ | 27.56+00.08 | – | 4.8S | 78.2 | 88.5 | 87.2 | 2.5(0.11) | 1.9 | 13.7 | 0 | 1622 | 3.3 | 1.7 | |
| 3917∗ | 28.22+00.36 | – | 3.0N | 48.4 | 51.5 | 50.3 | 7.7(0.15) | 6.4 | 17.7 | 0 | 118 | 0.8 | 0.3 | |
| 4398∗ | 30.42-00.23 | – | 5.9S | 102.4 | 105.1 | 103.0 | 14.1(0.14) | 6.6 | 72.6 | 0 | 5435 | 1.4 | 1.4 | |
| 4403 | 30.42+0.46 | 9 | 1.3S | 4.5 | 9.2 | 6.4 | 0.7(0.06) | 1.8 | 0.9 | 0, 3 | 76 | 2.2 | 0.5 | |
| 4636∗ | 30.98+00.22 | – | 6.2S | 110.0 | 111.8 | 110.9 | 1.0(0.10) | 0.5 | 6.0 | 0 | 2032 | 0.4 | 0.4 | |
| 4673∗ | 31.08+00.46 | – | 2.2S | 24.7 | 27.6 | 25.7 | 2.1(0.10) | 2.1 | 3.2 | 0 | 209 | 2.3 | 0.7 | |
| 4701∗ | 31.18-00.15 | – | 2.7N | 42.6 | 50.1 | 46.2 | 2.7(0.17) | 3.8 | 8.8 | 0 | 266 | 1.2 | 0.5 | |
| 5050⊲ | 32.745-0.076 | 118 | 12.0G | 29.4 | 39.8 | 38.5 | 8.9(0.26) | 19.4 | 872.5 | 0 | 1693 | 0.2 | 0.2 | |
| 5342∗ | 34.26-00.21 | – | 3.1N | 49.5 | 55.4 | 54.6 | 9.0(0.13) | 7.3 | 21.7 | 0 | 195 | 1.3 | 0.5 | |
| 6323⊲ | 49.490-0.388 | 823 | 5.5S | 58.6 | 60.3 | 59.3 | 0.7(0.06) | 0.4 | 3.7 | 0 | 3669 | 5.7 | 3.2 | |
| 6346⊲ | 49.490-0.388 | 313 | 5.5S | 57.6 | 60.4 | 59.3 | 5.1(0.17) | 3.9 | 36.4 | 0 | 2171 | 2.9 | 1.7 | |
| 6414 | 53.142+0.071 | 10 | 1.6G | 23.9 | 25.4 | 24.7 | 1.1(0.21) | 0.6 | 0.5 | 0, 3 | 287 | 12.8 | 2.4 | |
| 6433 | 53.618+0.036 | 6 | 8.7G | 18.3 | 19.7 | 18.9 | 6.0(0.11) | 2.7 | 64.4 | 0, 3 | 2876 | 2.2 | 1.6 | |
| 6470∗ | 56.96-00.23 | – | 3.5S | 29.3 | 30.6 | 29.8 | 1.1(0.06) | 0.4 | 1.6 | 0 | 151 | 7.6 | 1.4 | |
| 6479 | 59.63-0.19 | 23 | 3.5S | 28.4 | 31.2 | 29.6 | 0.9(0.10) | 0.5 | 1.9 | 0, 3 | 1132 | 15.2 | 4.2 | |
Notes. Note that the 2σ detection is included. Detailed comments and references on the sources are also given in Sect. 3.2. Column (1): PID number of BGPS source, all new detections in this survey are marked by ∗, detections that might be a side-lobe of a nearby stronger maser are marked by ⊲. Column (2): Galactic coordinates of the associated masers. Column (3): angular offset between the peak of the 1.1 mm dust emission and the maser position. Column (4): adopted distance for sources overlapped with Green & McClure-Griffiths (2011), Dunham et al. (2011) or Schlingman et al. (2011); we preferentially adopted the distances estimated from their work, which are marked by G, D and S, otherwise we assumed the near kinematic distance computed from the peak velocity of the 6.7 GHz masers, which are marked N. Columns (5)–(10): radial velocity range, radial velocity of the peak emission, peak flux density (the values in brackets present the rms levels of each detection with a velocity resolution of 0.11 km s-1), integrated flux density and luminosity of 6.7 GHz methanol maser. Column (11): references for maser information. 0 this survey. 1 Caswell et al. (2010). 2 Green et al. (2010). 3 Szymczak et al. (2012). Columns (12)–(14): derived gas mass and averaged H2 volume and column densities of the BGPS source, respectively.
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