Table 4
All 6.7 GHz methanol maser features detected in IRAS 18556+01 (G35.20–0.74N).
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | (13) | |
| Maser | Group | RA | Dec | Peak flux | Vlsr | ΔvL | Pl | χ | ΔVia | TbΔΩa | ΔVZb | θc | |
| offset | offset | density(#I) | |||||||||||
| (mas) | (mas) | (Jy/beam) | (km s-1) | (km s-1) | (%) | (°) | (km s-1) | (log K sr) | (m/s) | (°) | |||
|
|
|||||||||||||
| I18556.01d | A | –1587.159 | 1817.554 | 14.71 ± 0.34 | 29.89 | 0.23 | 8.6 ± 1.3 | −9 ± 3 | <0.5 |
|
− |
|
|
| I18556.02 | A | –1563.866 | 1764.340 | 1.05 ± 0.10 | 28.57 | 0.42 | − | − | − | − | − | − | |
| I18556.03 | A | –1561.521 | 1881.611 | 0.85 ± 0.03 | 33.22 | 0.30 | − | − | − | − | − | − | |
| I18556.04d | A | –1558.818 | 1630.295 | 4.66 ± 0.03 | 36.56 | 0.26 | 9.1 ± 1.4 | 22 ± 28 | <0.5 |
|
− |
|
|
| I18556.05 | A | –1559.276 | 1826.489 | 4.47 ± 0.03 | 27.95 | 0.24 | − | − | − | − | − | − | |
| I18556.06 | A | –1553.628 | 1790.443 | 0.32 ± 0.03 | 27.95 | 0.26 | − | − | − | − | − | − | |
| I18556.07 | A | –1551.154 | 1729.794 | 0.69 ± 0.02 | 27.60 | 0.28 | − | − | − | − | − | − | |
| I18556.08d | A | –1550.882 | 1862.656 | 12.13 ± 0.08 | 29.36 | 0.29 | 6.5 ± 0.7 | 2 ± 3 |
|
|
− |
|
|
| I18556.09 | A | –1549.567 | 1674.839 | 1.31 ± 0.02 | 30.41 | 0.30 | − | − | − | − | − | − | |
| I18556.10 | A | –1548.166 | 1827.927 | 0.52 ± 0.02 | 27.25 | 0.22 | − | − | − | − | − | − | |
| I18556.11 | A | –1548.080 | 1604.614 | 12.81 ± 0.11 | 35.42 | 0.30 | 4.8 ± 1.1 | 22 ± 18 |
|
|
− |
|
|
| I18556.12 | A | –1538.571 | 1715.225 | 0.14 ± 0.01 | 33.49 | 0.30 | − | − | − | − | − | − | |
| I18556.13 | A | –1535.311 | 1903.782 | 0.97 ± 0.03 | 33.22 | 0.20 | − | − | − | − | − | − | |
| I18556.14 | A | –1527.890 | 1870.255 | 0.56 ± 0.02 | 33.40 | 0.14 | − | − | − | − | − | − | |
| I18556.15 | A | –1519.568 | 1904.572 | 1.74 ± 0.01 | 26.90 | 0.43 | − | − | − | − | − | − | |
| I18556.16 | A | –1513.805 | 1912.239 | 1.36 ± 0.01 | 26.20 | 0.31 | − | − | − | − | − | − | |
| I18556.17 | A | –1501.437 | 1774.460 | 0.22 ± 0.01 | 30.94 | 0.21 | − | − | − | − | − | − | |
| I18556.18 | A | –1466.290 | 1754.551 | 0.20 ± 0.01 | 32.34 | 0.37 | − | − | − | − | − | − | |
| I18556.19 | A | –1454.021 | 1765.602 | 0.14 ± 0.01 | 31.73 | 0.27 | − | − | − | − | − | − | |
| I18556.20 | A | –1293.200 | 1994.118 | 4.37 ± 0.19 | 29.10 | 0.21 | − | − | − | − | − | − | |
| I18556.21 | B | –14.056 | 20.645 | 1.41 ± 0.02 | 27.95 | 0.40 | − | − | − | − | − | − | |
| I18556.22 | B | –14.013 | 28.847 | 3.86 ± 0.05 | 28.31 | 0.23 | − | − | − | − | − | − | |
| I18556.23 | B | –12.669 | 72.609 | 1.45 ± 0.05 | 28.31 | 0.65 | − | − | − | − | − | − | |
| I18556.24 | B | –11.039 | 17.769 | 0.39 ± 0.01 | 27.43 | 0.25 | − | − | − | − | − | − | |
| I18556.25 | B | –5.863 | –4.211 | 0.31 ± 0.01 | 27.34 | 0.19 | − | − | − | − | − | − | |
| I18556.26 | B | –3.117 | –277.435 | 1.58 ± 0.05 | 28.39 | 0.21 | − | − | − | − | − | − | |
| I18556.27d | B | 0 | 0 | 104.81 ± 1.05 | 28.57 | 0.26 | 11.5 ± 1.9 | −10 ± 5 | <0.5 |
|
− |
|
|
| I18556.28 | B | 49.389 | 48.145 | 0.89 ± 0.03 | 27.69 | 0.18 | − | − | − | − | − | − | |
Notes.
The best-fitting results obtained by using a model based on the radiative transfer theory of methanol masers for Γ + Γν = 1 (Vlemmings et al. 2010; Surcis et al. 2011b). The errors were determined by analyzing the full probability distribution function.
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