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Table 5

Water parameters from Gaussian fitting.

Position V ΔVFWHM τ o N(HO) N(H2O)a Source
( km s-1) ( km s-1) (mK) (cm-2) (cm-2)

1 120 20 −23 0.12 1.1 × 1013 2.8 × 1015 EMR (far side)
46 39 −30 0.15 2.7 × 1013 6.8 × 1015 +50  km s-1 cloud
−126 73 −36 0.19 6.3 × 1013 1.6 × 1016 EMR (near side)
5 −50 16 −25 0.21 1.6 × 1013 4.0 × 1015 3-kpc arm
−93 19 −28 0.24 2.2 × 1013 5.5 × 1015 CND
−147 13 −38 0.35 2.1 × 1013 5.3 × 1015 EMR (near side)
7 29 15 −17 0.09 0.6 × 1013 1.6 × 1015 +20  km s-1 cloud
−119 14 −42 0.24 1.6 × 1013 4.0 × 1015 EMR (near side)
−143 19 −57 0.34 3.0 × 1013 7.5 × 1015 EMR (near side)
Average of Pos. 2, 3, 4, and 6b −31 7 −230 1.7 2.4 × 1011c 5.9 × 1013 −30  km s-1 arm

Notes.

(a)

Assuming H2O/ HO = 250 (Wilson & Rood 1994).

(b)

These values refer to H2O, see text.

(c)

Calculated from observations of H2O.

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