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Table 3.
Spectral analysis from the ALMA CO(3-2) spectroscopy.
| Property | Host | Companion | Combined |
|---|---|---|---|
| Amplitude (mJy) | 0.61 ± 0.10 | 1.37 ± 0.10 | 2.16 ± 0.15 |
| Centre (GHz) | 242.625 ± 0.010 | 242.654 ± 0.005 | 242.646 ± 0.004 |
| FWHM (km s−1) | 232 ± 42 | 231 ± 19 | 223 ± 19 |
| Line flux (mJy km s−1) | 150 ± 25 | 336 ± 26 | 512 ± 41 |
| LCO(3 − 2) (L⊙) | (2.04 ± 0.34)×105 | (4.57 ± 0.35)×105 | (6.97 ± 0.56)×105 |
 (K km s−1 pc2) |
(1.54 ± 0.26)×108 | (3.45 ± 0.27)×108 | (5.26 ± 0.42)×108 |
 (K km s−1 pc2) (a) |
(2.75 ± 0.46)×108 | (6.17 ± 0.48)×108 | (9.40 ± 0.75)×108 |
| SFR(CO)(M⊙ yr−1) (b) | 33 ± 8 | 74 ± 15 | 113 ± 21 |
| MH2(M⊙) (c) [αCO = 5] | (1.38 ± 0.23)×109 | (3.08 ± 0.24)×109 | (4.70 ± 0.38)×109 |
| fgas (d) [αCO = 5] |
 |
 |
 |
| MH2 (M⊙) (e) [αCO = 18.2] | (5.0 ± 0.8)×109 | (11.2 ± 0.9)×109 | (17.1 ± 1.4)×109 |
| fgas (d) [αCO = 18.2] |
 |
 |
 |
Notes.
(a)
Assuming 
= 0.56 (Carilli & Walter 2013) for star-forming galaxies.
(b)
Based on the relation given by Hunt et al. (2015) for metal-poor galaxies.
(e)
Assuming a metallicity-dependent CO-to-H2 conversion factor (Amorín et al. 2016) of αCO = 18.2 M⊙/(K km s−1 pc2).
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