Table 2.
Model results for which only plausible interpretations are listed.
| Scenario | ne | Te | P/k | bnβn | EM | N(RRL) | L | ϕ | M | Q | SFR |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (cm−3) | (K) | (K cm−3) | (cm−6 pc) | (cm−2) | (pc) | (M⊙) | (phot s−1) | (M⊙ yr−1) | |||
| (i) Galaxy, hydrogen | |||||||||||
| 1 | 103 | 103 | −28.9 | 7.8 | 2 × 1019 | 7.8 | 0.10 | 2 × 108 | 3.6 × 1053 | 3.9 | |
| 1 | 104 | 104 | −205 | 350 | 1 × 1021 | 350 | 0.10 | 8 × 109 | 2.5 × 1054 | 27 | |
| 0.1 | 103 | 102 | −103 | 2.2 | 7 × 1019 | 220 | 0.10 | 5 × 108 | 1.0 × 1053 | 1.1 | |
| 0.1 | 104 | 103 | −587 | 120 | 4 × 1021 | 12 000 | 0.66 | *3 × 1010 | 1.9 × 1054 | 21 | |
| 0.01 | 103 | 10 | −159 | 1.4 | 4 × 1020 | 14 000 | 0.73 | *3 × 109 | 1.4 × 1053 | 1.5 | |
| (ii) Galaxy, carbon | |||||||||||
| 0.1 | 10 | 103.9 | −1.31 | 0.001 | 4 × 1016 | 0.14 | 0.10 | 2 × 109 | ⋆ ∼ 0.1 | ||
| 0.01 | 10 | 102.9 | −3.37 | 0.0006 | 2 × 1017 | 5.5 | 0.10 | 9 × 109 | ⋆ ∼ 1 | ||
| (iii) Outflow, hydrogen | |||||||||||
| 10 | 103 | 104 | −5.23 | 44 | 1 × 1019 | 0.43 | 0.0007 | *9 × 107 | |||
| 10 | 104 | 105 | −46.5 | 1600 | 5 × 1020 | 16 | 0.008 | *3 × 109 | |||
| (iv) Outflow, carbon | |||||||||||
| 0.1 | 10 | 103.9 | −0.76 | 0.002 | 8 × 1016 | 0.25 | 0.0005 | *4 × 109 |
Notes.ne, Te: input electron density and electron temperature. For scenario (i) and (ii), a radiation temperature of Tr = 800 K was considered, and for scenario (iii) Tr = 105 K was considered. P: thermal pressure of the input temperature and density, where P/k ∼ (ne/Xe)Te. bnβn: departure coefficient derived from the models. EM: RRL emission measure derived from the model output and Eq. (2). N, L: RRL column density and path length corresponding to the EM. ϕ: surface filling factor of the object in the beam. M: total mass of a disk-like, face-on galaxy of R = 5.5 kpc. *assumes a spherical cloud in calculating the mass. Q: ionization rate needed to maintain ionized gas of the input ne, Te. SFR: star-formation rate determined from Q. ⋆denotes the SFR was inferred from the cold neutral medium mass M.
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