Table 4.
Properties of environmental regions in M 83.
| ⟨IHI⟩ | ⟨NHI⟩ | ⟨ΣHI⟩ | ⟨σeff⟩ | ⟨Vlos⟩ | ⟨Vres⟩ | ⟨IHI/FUV⟩ | |
|---|---|---|---|---|---|---|---|
| Region | [K km s−1] | [1020 cm−2] | [M⊙ pc−2] | [km s−1] | [km s−1] | [km s−1] | [105] |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| Central disk |
 |
6.3 |
 |
 |
 |
 |
7.3 |
| Ring |
 |
3.8 |
 |
 |
 |
 |
35.2 |
| Southern area |
 |
2.5 |
 |
 |
 |
 |
31.8 |
| Southern arm |
 |
2.2 |
 |
 |
 |
 |
27.9 |
| Northern arm |
 |
1.9 |
 |
 |
 |
 |
25.9 |
Notes. (1): Defined environmental regions in M 83: Central disk, ring, southern area, southern and northern arm. (2–8): We show the mean, the 16th, and 84th percentiles of each quantity for each region. (2): H I integrated intensity. (3): H I column density. (4): H I surface density. (5): H I effective line width. (6): L.o.s velocity. (7): Residual velocity. (8): Ratio of H I over the GALEX FUV map shown in Fig. 7. This results in units of K km s−1/(mJy arcsec−2).
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