Table A.1
All 22 GHz H2O maser features detected around VLA 1 (epoch 2012.54).
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | (13) |
| Maser | RA | Dec | Peak flux | Vlsr | ΔvL | Pl | χ | ΔVi | TbΔΩ a | PV | B|| | θ |
| offset | offset | density(I) | ||||||||||
| (mas) | (mas) | (Jy/beam) | (km s-1) | (km s-1) | (%) | (°) | (km s-1) | (log K sr) | (%) | (mG) | (°) | |
|
|
||||||||||||
| VLA1.01 | –101.297 | –188.122 | 1.64 ± 0.16 | 12.386 | 0.47 | − | − | − | − | − | − | − |
| VLA1.02 | –99.150 | –191.898 | 1.38 ± 0.17 | 12.305 | 0.44 | − | − | − | − | − | − | − |
| VLA1.03 | –62.311 | –218.605 | 2.85 ± 0.12 | 12.305 | 0.44 | − | − | − | − | − | − | − |
| VLA1.04 | –50.775 | –176.990 | 0.69 ± 0.04 | 11.861 | 0.42 | − | − | − | − | − | − | − |
| VLA1.05 | –11.662 | –39.768 | 9.80 ± 0.04 | 11.928 | 0.53 | 0.9 ± 0.1 | −30 ± 5 | − | − | − | − | − |
| VLA1.06 | 0 | 0 | 94.32 ± 0.11 | 10.593 | 0.60 | 1.5 ± 0.4 | −26 ± 6 | <2.0 | <6.00 | 0.07 | + 18 ± 6 |
|
| VLA1.07 | 18.020 | –66.166 | 2.19 ± 0.06 | 9.501 | 0.51 | 2.8 ± 0.3 | −25 ± 8 | <1.2 | <6.00 | − | − |
|
| VLA1.08 | 19.114 | –66.052 | 1.27 ± 0.03 | 9.811 | 0.69 | − | − | − | − | − | − | − |
| VLA1.09 | 19.493 | –64.823 | 0.83 ± 0.03 | 9.811 | 0.52 | − | − | − | − | − | − | − |
| VLA1.10 | 23.998 | 18.848 | 4.82 ± 0.06 | 10.957 | 0.77 | 2.8 ± 0.2 | −52 ± 4 | <2.4 | <6.00 | − | − |
|
| VLA1.11 | 24.335 | 17.906 | 1.68 ± 0.05 | 11.820 | 0.65 | − | − | − | − | − | − | − |
| VLA1.12 | 30.313 | 18.917 | 2.33 ± 0.06 | 11.159 | 0.74 | 4.5 ± 1.4 | −70 ± 7 | − | − | 1.8b | −544 ± 272b | − |
| VLA1.13 | 31.787 | –61.127 | 2.50 ± 0.06 | 12.872 | 1.06 | − | − | − | − | − | − | − |
| VLA1.14 | 32.040 | –61.161 | 1.01 ± 0.04 | 13.977 | 1.14 | − | − | − | − | − | − | − |
| VLA1.15 | 32.166 | 19.795 | 1.28 ± 0.06 | 10.930 | 0.70 | − | − | − | − | − | − | − |
| VLA1.16 | 36.587 | 11.280 | 0.90 ± 0.07 | 14.611 | 1.05 | − | − | − | − | − | − | − |
| VLA1.17 | 36.671 | –133.79 | 1.10 ± 0.03 | 9.784 | 0.34 | − | − | − | − | − | − | − |
| VLA1.18 | 42.776 | 22.419 | 1.07 ± 0.06 | 11.267 | 0.64 | − | − | − | − | − | − | − |
| VLA1.19 | 43.449 | 22.812 | 1.08 ± 0.05 | 11.362 | 0.93 | − | − | − | − | − | − | − |
| VLA1.20 | 57.385 | 35.961 | 3.95 ± 0.03 | 8.652 | 0.78 | − | − | − | − | − | − | − |
| VLA1.21 | 62.311 | 36.697 | 0.81 ± 0.05 | 11.389 | 1.01 | − | − | − | − | − | − | − |
| VLA1.22 | 63.406 | 40.180 | 4.27 ± 0.03 | 9.933 | 0.63 | − | − | − | − | − | − | − |
| VLA1.23 | 79.615 | 48.130 | 16.48 ± 0.06 | 12.845 | 1.77 | 0.6 ± 0.1 | −38 ± 5 | − | − | − | − | − |
| VLA1.24 | 80.836 | 49.847 | 10.09 ± 0.07 | 12.764 | 1.16 | 0.8 ± 0.1 | −40 ± 6 | <3.6 | < 6.00 | − | − |
|
| VLA1.25 | 81.131 | 45.647 | 1.52 ± 0.05 | 11.267 | 0.78 | − | − | − | − | − | − | − |
| VLA1.26 | 81.299 | 49.385 | 7.80 ± 0.04 | 13.640 | 2.10 | − | − | − | − | − | − | − |
| VLA1.27 | 82.141 | 49.545 | 1.93 ± 0.12 | 15.703 | 0.87 | − | − | − | − | − | − | − |
| VLA1.28 | 82.520 | 46.993 | 1.22 ± 0.05 | 11.348 | 1.60 | − | − | − | − | − | − | − |
| VLA1.29 | 82.562 | 46.635 | 1.65 ± 0.22 | 15.298 | 1.75 | − | − | − | − | − | − | − |
| VLA1.30 | 83.194 | 47.424 | 0.45 ± 0.04 | 10.148 | 1.47 | − | − | − | − | − | − | − |
| VLA1.31 | 88.246 | 19.569 | 4.00 ± 0.09 | 9.407 | 1.53 | − | − | − | − | − | − | − |
| VLA1.32 | 89.383 | 18.864 | 4.61 ± 0.05 | 11.038 | 2.66 | − | − | − | − | − | − | − |
| VLA1.33 | 89.719 | 19.123 | 3.97 ± 0.13 | 12.494 | 1.64 | − | − | − | − | − | − | − |
| VLA1.34 | 89.762 | 21.153 | 1.72 ± 0.08 | 12.090 | 1.99 | − | − | − | − | − | − | − |
| VLA1.35 | 89.804 | 19.898 | 4.58 ± 0.04 | 13.317 | 0.78 | − | − | − | − | − | − | − |
| VLA1.36 | 90.140 | 19.264 | 2.24 ± 0.09 | 10.391 | 3.80 | − | − | − | − | − | − | − |
| VLA1.37 | 91.109 | 16.884 | 1.67 ± 0.05 | 14.018 | 0.92 | − | − | − | − | − | − | − |
| VLA1.38 | 94.098 | 8.427 | 0.61 ± 0.05 | 11.537 | 1.21 | − | − | − | − | − | − | − |
Notes.
The output TbΔΩ must be adjusted according to the real value of Γ + Γν, which depends on the gas temperature (T). Using ΔVi ≈ 0.5 (T/ 100)1/2 (Vlemmings et al. 2006) we estimated that TVLA1< 2300 K for which TbΔΩ has to be adjusted by adding at most +1.11 log K sr (Anderson & Watson 1993).
In the fitting model we include the values TbΔΩ= 1 × 106 K sr and ΔVi= 2.4 km s-1 that are the estimated upper limits of VLA1.10 (see Fig. A.1).
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