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Table 3.

Molecular hydrogen emission lines in the apertures in the circumnuclear ring, and derived quantities hot and cold molecular gas mass.

Aperture H2(1-0)S(3) H2(1-0)S(2) H2(1-0)S(1) H2(1-0)S(0) H2(2-1)S(1) Hot H2 mass Cold gas mass
λ1.958 μm λ2.034 μm λ2.122 μm λ2.223 μm λ2.248 μm (M) (106M)
R1 53.0 ± 7.7 24.9 ± 6.6 56.6 ± 5.1 19.7 ± 3.1 13.3 ± 2.6 9 3 − 15
R2 52.4 ± 4.4 25.9 ± 3.5 66.1 ± 4.2 27.6 ± 2.6 14.1 ± 2.2 11 3 − 18
R3 24.2 ± 2.3 10.1 ± 1.5 28.1 ± 2.0 11.2 ± 1.8 5.7 ± 1.5 5 1 − 7
R4 22.4 ± 2.0 10.2 ± 2.1 27.1 ± 1.6 9.9 ± 1.7 5.6 ± 1.8 4 1 − 7
R5 63.2 ± 9.8 21.7 ± 5.2 63.8 ± 6.9 18.3 ± 4.3 11.2 ± 4.3 11 3 − 17
R6 119.4 ± 16.5 42.6 ± 7.0 102.2 ± 11.2 31.5 ± 6.0 22.7 ± 4.8 17 5 − 27
R7 77.1 ± 7.7 38.5 ± 4.3 86.9 ± 6.3 30.8 ± 2.9 18.5 ± 2.5 14 4 − 23
R8 52.8 ± 5.2 23.3 ± 3.8 57.2 ± 3.7 19.6 ± 2.3 9.4 ± 2.0 10 3 − 15
R9 97.4 ± 8.5 47.5 ± 5.1 109.3 ± 7.3 36.5 ± 3.0 21.3 ± 3.0 18 5 − 29
R10 78.5 ± 7.4 32.8 ± 4.5 90.2 ± 6.7 27.4 ± 2.7 15.3 ± 2.3 15 5 − 24
R11 30.3 ± 2.6 17.4 ± 3.3 37.6 ± 2.1 12.0 ± 1.5 8.8 ± 1.6 6 2 − 10

Notes. Emission lines are corrected for extinction and given in units of 10−20 Wm−2. The apertures all have a radius of .

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