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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⊙) | (106 M⊙) | |
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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