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Table 4

Molecular hydrogen fraction fH2 in selected velocity intervals on the sight lines toward four PRISMAS sources and Sgr B2.

Source Location νlsr fH2
km s-1

Sgr B2 (M) GC (3 kpc arm) (− 50,−13)
GC (− 9, + 8)
Sgr (+ 12, + 22)
Scutum/Crux (+ 25, + 39)
Sgr B2 (N) GC (3 kpc arm) (− 50,−13)
GC (− 9, + 8)
Sgr (+ 12, + 22)
Scutum/Crux (+ 25, + 39)
G 10.620.39 local gas (− 3, + 5)
(+5, +14)
G 34.3+0.1 Sgr (+7, +16)
(+16, +22)
(+22, +34)
W 49N local gas (−3, +5)
(+5, +20)
interarm (+20, +30)
Sgra (+30, +45)
Sgrb (+45, +70)
W 51e4 local gas (+3, +10)
(+10, +15)
(+15, +30)
(+30, +45)

Notes.

(a)

Near-side crossing of the Sagittarius spiral arm;

(b)

far-side crossing.

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