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Table 5

All 6.7-GHz methanol maser features detected in W3(OH).

     (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13)
Maser Group RAa Deca Peak flux Vlsr ΔvL Pl χ ΔVib TbΔΩb ΔVZc θd
offset offset density(#I)
(mas) (mas) (Jy/beam) (km s-1) (km s-1) (%) (°) (km s-1) (log K sr) (m/s) (°)
W3OH.01 III –834.479 148.296 11.58 ± 0.02 –46.55 0.20 1.2 ± 0.4  −2 ± 10  −
W3OH.02 III –817.800 153.654 2.26 ± 0.01 –47.07 0.18  −  −  −  −  −  −
W3OH.03 III –802.674 79.334 27.78 ± 0.28 –45.76 0.22 3.2 ± 0.8 12 ± 69  −
W3OH.04 VI –383.492 –1764.656 7.78 ± 0.04 –42.24 0.19  −  −  −  −  −  −
W3OH.05e – -162.497 –691.895 33.61 ± 0.55 –44.00 0.18 5.6 ± 1.7  −69 ± 5  −
W3OH.06 VI –122.187 –1749.006 27.32 ± 0.05 –42.33 0.21  −  −  −  −  −  −
W3OH.07 VI –153.206 –1767.649 54.81 ± 0.34 –42.60 0.20 1.9 ± 0.6 35 ± 14  −
W3OH.08 VI –149.964 –1753.939 4.82 ± 0.04 –42.24 0.19  −  −  −  −  −  −
W3OH.09 VI –132.122 –1771.915 235.45 ± 0.33 –42.60 0.19 2.5 ± 1.2 15 ± 33  −
W3OH.10e VI -131.591 –1742.706 60.79 ± 0.34 –42.60 0.18 5.3 ± 2.7  −11 ± 7  −
W3OH.11 VI –123.541 –1772.516 212.03 ± 0.33 –42.60 0.22  −  −  −  −  −3.5 ± 0.2  −
W3OH.12 VI –114.142 –1773.373 111.69 ± 0.37 –42.95 0.20  −  −  −  −  −  −
W3OH.13 VI –111.926 –1747.892 22.93 ± 0.03 –42.07 0.20 3.1 ± 0.3 5 ± 38  −
W3OH.14e IV -59.565 –1173.670 182.60 ± 0.64 –43.65 0.26 5.9 ± 1.9  −41 ± 44  −
W3OH.15 II –57.240 –157.034 20.812 ± 0.59 –44.79 0.33  −  −  −  −  −  −
W3OH.16 IV –46.725 –1160.805 233.50 ± 0.38 –42.95 0.32 3.9 ± 0.5  −39 ± 86  −
W3OH.17e IV -42.741 –1165.085 110.50 ± 0.29 –43.12 0.25 5.6 ± 3.9  −75 ± 41  −
W3OH.18e IV -40.408 –1160.982 65.18 ± 0.49 –43.12 0.29 5.0 ± 2.6 2 ± 85  −
W3OH.19 II –35.097 –11.770 69.09 ± 0.62 –44.79 0.25  −  −  −  −  −  −
W3OH.20 II –30.011 –17.119 46.52 ± 0.72 –44.70 0.25  −  −  −  −  −  −
W3OH.21 IV –29.630 –1310.143 57.91 ± 0.52 –43.91 0.31 1.5 ± 1.1 62 ± 49  −
W3OH.22e II 0 0 2051.30 ± 1.42 –45.41 0.31 8.1 ± 0.7 4 ± 34 1.9 ± 0.1
W3OH.23 II 11.410 –36.799 1099.80 ± 0.81 –43.39 0.29 4.1 ± 1.2 2 ± 41  −
W3OH.24 II 14.956 –21.265 913.15 ± 0.92 –44.53 0.37 4.4 ± 2.0  −38 ± 41  −
W3OH.25 IV 15.969 –1376.160 156.18 ± 0.65 –43.74 0.21 1.5 ± 0.4 7 ± 23 3.8 ± 0.5
W3OH.26 II 18.653 –39.053 546.64 ± 0.63 –43.65 0.21  −  −  −  −  −  −
W3OH.27 II 22.492 –84.309 206.85 ± 0.36 –43.03 0.18 1.8 ± 0.2 63 ± 35  −
W3OH.28 II 24.383 –22.999 640.49 ± 0.70 –44.70 0.29 4.1 ± 1.6  −47 ± 19  −
W3OH.29 II 30.256 –34.817 239.84 ± 0.56 –44.09 0.27  −  −  −  −  −  −
W3OH.30 II 33.002 –45.343 20.09 ± 0.63 –43.56 0.26  −  −  −  −  −  −
W3OH.31 II 39.591 –125.509 74.16 ± 0.50 –43.30 0.19 1.2 ± 0.9 64 ± 29  −
W3OH.32 II 47.238 –59.534 155.18 ± 0.36 –43.03 0.18  −  −  −  −  −  −
W3OH.33 II 51.173 –159.398 146.66 ± 0.36 –43.03 0.26 4.1 ± 2.7 6 ± 42  −
W3OH.34 II 53.063 –67.207 140.91 ± 0.98 –44.53 0.40  −  −  −  −  −  −
W3OH.35 II 58.220 –63.723 347.43 ± 0.37 –42.86 0.19 3.2 ± 1.1 1 ± 37  −1.5 ± 0.1
W3OH.36 II 62.103 –65.691 180.85 ± 0.70 –44.35 0.37  −  −  −  −  −  −
W3OH.37 II 100.540 –93.575 110.11 ± 0.28 –42.51 0.31 3.2 ± 0.8 19 ± 53  −1.7 ± 0.4
W3OH.38 II 101.041 36.774 7.17 ± 0.02 –46.37 0.25  −  −  −  −  −  −
W3OH.39 II 104.515 –84.400 28.12 ± 0.05 –42.33 0.27 2.7 ± 1.0  −14 ± 6  −
W3OH.40 I 105.043 540.987 178.62 ± 0.45 –45.14 0.22  −  −  −  −  −3.4 ± 0.4  −
W3OH.41 II 106.053 32.572 19.21 ± 0.28 –45.76 0.31 2.1 ± 0.3 63 ± 80  −
W3OH.42 II 106.329 41.679 2.08 ± 0.01 –46.99 0.44 4.4 ± 0.5 68 ± 5  −  −  −  −
W3OH.43 II 109.883 47.815 254.77 ± 0.69 –44.35 0.24 2.6 ± 0.7 16 ± 27  −
W3OH.44 I 117.485 535.473 73.74 ± 0.44 –45.05 0.17  −  −  −  −  −  −
W3OH.45 I 170.642 437.187 0.72 ± 0.01 –47.07 0.18  −  −  −  −  −  −
W3OH.46 V 399.814 –1735.970 4.32 ± 0.11 –42.42 0.43  −  −  −  −  −  −
W3OH.47 V 423.769 –1737.766 1.25 ± 0.02 –41.89 0.28  −  −  −  −  −  −
W3OH.48 V 437.887 –1731.754 19.97 ± 0.02 –41.81 0.78 1.8 ± 0.3 4 ± 2 1.4 ± 0.2
W3OH.49 V 443.434 –1710.760 15.71 ± 0.04 –42.24 0.26  −  −  −  −  −  −
W3OH.50 V 450.607 –1695.734 0.62 ± 0.02 –41.72 0.27  −  −  −  −  −  −
W3OH.51 V 451.835 –1673.563 4.46 ± 0.04 –42.24 0.22 1.5 ± 0.2 22 ± 5  −

Notes. 

(a)

The reference position is α2000 = 02h27m03s.833 and .

(b)

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.

(c)

The Zeeman-splittings are determined from the cross-correlation between the RR and LL spectra.

(d)

The angle between the magnetic field and the maser propagation direction is determined by using the observed Pl and the fitted emerging brightness temperature. The errors were determined by analyzing the full probability distribution function.

(e)

Because of the degree of the saturation of these CH3OH masers TbΔΩ is underestimated, ΔVi and θ are overestimated.

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