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Table 1.

Emission line fluxes in the apertures in the circumnuclear ring and derived quantities, visual extinction and ionized gas mass.

Aperture [Fe II] Paα Brδ He I Brγ AV H II mass
λ1.644 μm λ1.876 μm λ1.945 μm λ2.059 μm λ2.166 μm (mag) (104M)
R1 1.46 ± 0.23 13.67 ± 1.44 0.79 ± 0.09 0.39 ± 0.05 1.12 ± 0.09 6.9 ± 0.8 10.6
R2 1.31 ± 0.14 17.07 ± 1.10 0.95 ± 0.06 0.50 ± 0.04 1.40 ± 0.06 8.6 ± 0.5 13.3
R3 0.40 ± 0.04 6.51 ± 0.11 0.28 ± 0.03 0.18 ± 0.02 0.51 ± 0.02 4.8
R4 0.51 ± 0.03 8.69 ± 0.12 0.41 ± 0.02 0.17 ± 0.02 0.67 ± 0.02 6.4
R5 1.87 ± 0.26 18.77 ± 1.75 1.03 ± 0.11 0.46 ± 0.05 1.54 ± 0.10 6.0 ± 0.7 14.6
R6 5.65 ± 0.98 24.18 ± 2.87 1.26 ± 0.18 0.71 ± 0.09 1.98 ± 0.17 9.0 ± 0.9 18.8
R7 4.32 ± 0.54 14.70 ± 1.36 0.70 ± 0.07 0.33 ± 0.04 1.20 ± 0.08 7.0 ± 0.7 11.4
R8 1.21 ± 0.15 13.45 ± 1.11 0.64 ± 0.05 0.51 ± 0.04 1.10 ± 0.06 4.0 ± 0.6 10.5
R9 3.04 ± 0.37 18.37 ± 1.61 1.06 ± 0.10 0.58 ± 0.06 1.50 ± 0.09 5.8 ± 0.6 14.3
R10 1.90 ± 0.25 15.50 ± 1.46 0.83 ± 0.08 0.44 ± 0.05 1.27 ± 0.08 4.7 ± 0.7 12.1
R11 0.87 ± 0.05 11.15 ± 0.14 0.53 ± 0.03 0.30 ± 0.03 0.90 ± 0.03 8.5

Notes. Emission lines are corrected for extinction and given in units of 10−18 Wm−2. The apertures all have a radius of .

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