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Table 4
Derived properties of GN20, GN20.2a, and GN20.2b.
| Source |
|
|
τ gas | τ build | Source sizea | Σgas b |
| (Myr) | (Myr) | (kpc) | (M⊙ pc-2) | |||
|
|
||||||
| GN20 | 6.4 | 13 | 113 | 59 | ~8 | ~2400 |
| GN20.2a | 6.3 | 26 | 275 | 48 | ~ 5 × 3 | ~ 3900 × (sin i)(αCO/0.8) |
| GN20.2b | 2.4 | 6 | 116 | 159 | ~ 8 × 5 | ~ 530 × (sin i)(αCO/0.8) |
Notes.
(a)
Deconvolved CO(2–1) size (Gaussian FWHM). From Carilli et al. (2010) and Hodge et al. (2013).
(b)
Average gas surface density. From Carilli et al. (2010) and Hodge et al. (2013).
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