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Table 4

Parameters of the 6.7-GHz methanol maser features detected in IRAS 18089-1732 in April.

     (1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
Maser RAa Deca Peak flux Vlsr Pl b χ b ΔVL PV Blos
offset offset density (I)
(mas) (mas) (Jy beam-1) (km s-1) (%) (°) (km s-1) (%) (mG)

F.01 0 ± 0.10 0 ± 0.59 122.29 ± 0.89 39.20 8.5 ± 1.3 −72 ± 5
F.02 −36.16 ± 0.14 24.21 ± 0.85 13.38 ± 0.14 38.76
F.10 0 ± 0.11 −0.18 ± 0.68 8.39 ± 0.07 38.23 6.9 ± 0.7 −68 ± 7
F.03 48.23 ± 0.09 18.08 ± 0.55 17.57 ± 0.12 37.70
F.04 30.23 ± 0.10 24.10 ± 0.60 6.71 ± 0.05 36.39 9.4 ± 1.2 −16 ± 1
F.05 162.97 ± 0.08 72.11 ± 0.51 11.22 ± 0.07 34.67 4.0 ± 0.6 −46 ± 1
F.06 1110.26 ± 0.15 1127.96 ± 0.87 42.78 ± 0.46 33.66 6.4 ± 2.6 −16 ± 12 0.4 0.3 4.9 ± 1.5
F.07 60.30 ± 0.13 72.19 ± 0.81 39.11 ± 0.39 33.58 8.8 ± 0.1 −32 ± 1
F.09 941.32 ± 0.41 1632.09 ± 2.47 3.95 ± 0.12 32.70

Notes.

(a)

The offsets are relative to the position of F.01 in April, i.e. α2000 = 18h11m51.3929s ± 0.0003s, δ2000 = −17°31′29.86″ ± 0.03″.

(b)

Pl and χ are the median values of the linear polarisation fraction and the linear polarisation angle measured across the spectrum, respectively.

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