Table 4.
CO surveys in high-z clusters and blank fields.
| Project | Facility | Field | z | CO transition | Ndet, ctp | Area | Reference |
|---|---|---|---|---|---|---|---|
| [arcmin2] | |||||||
| (High-z clusters) | |||||||
| COALAS | ATCA | Spiderweb | 2.16 | J = 1 | 46 | 21.3 | This study |
| – | VLA | CL J1001 (a) | 2.51 | J = 1 | 14 | 1.3 | W16,18 |
| – | ALMA | XMMXCS J2215.9–1738 (b) | 1.46 | J = 2 | 17 | 2.3 | H17 |
| – | ALMA | SpARCS-J0225 | 1.60 | J = 2 | 13 | 2.6 | N17,19 |
| – | ALMA, VLA | Cl J1449+0856 | 1.99 | J = 1, 3, 4 | 8 | 1.5 | C18 |
| – | ALMA | DRC | 4.00 | J = 6 | 10 | 1.0 | O18 |
| – | ALMA | SPT2349–56 | 4.30 | J = 4 | 8 | 0.2 | M18 |
| – | ALMA | Spiderweb | 2.16 | J = 3 | 4 | 0.6 | T19 |
| – | ALMA | USS1558–003 | 2.53 | J = 3 | 6 | 0.6 | T19 |
| – | ALMA | 4C23.56 | 2.49 | J = 3 | 6 | 0.6 | T19 |
| – | ALMA, VLA | HXMM20 | 2.60 | J = 1, 3 | 5 | 0.8 | GG19 |
| – | ALMA | HELAISS02 | 2.17 | J = 3 | 3 | 0.6 | GG19 |
| – | ALMA | 4C23.56 | 2.49 | J = 4 | 11 | 0.5 | L19 |
| – | ALMA | SPT2349–56 | 4.30 | J = 4, [CII] | 24 | 7.2 | H20 |
| (Blank fields) | |||||||
| ASPECS-pilot | ALMA | HUDF | – | J = 2 − 4, 7, 8 | 9 | 1.2 | D16 |
| COLDz | VLA | GOODS-N,COSMOS | – | J = 1, 2 | 17 | 59.8 | P18, R19 |
| ASPECS | ALMA | HUDF | – | J = 2 − 4 | 18 | 4.6 | GL19, D19 |
| PHIBSS2 | PdBI | (c) | – | J = 2 − 6 | 43 | 130.0 | L20 |
Notes. Ndet, ctp: Number of detections with counterpart.
Gómez-Guijarro et al. (2019) identified six of the 14 emitters as tentative detections. Champagne et al. (2021) indicate a different explanation for the CO emitters using new VLA observations.
This cluster was also studied by Stach et al. (2017), who found 6 CO(2−1) emitters with shallower ALMA observations.
References. W16,18: Wang et al. (2016, 2018); H17: Hayashi et al. (2017); N17,19: Noble et al. (2017, 2019); C18: Coogan et al. (2018); O18: Oteo et al. (2018); M18: Miller et al. (2018); T19: Tadaki et al. (2019); GG19: Gómez-Guijarro et al. (2019); L19: Lee et al. (2019); GL19: González-López et al. (2019); D16: Decarli et al. (2016); D19: Decarli et al. (2019); L20: Lenkić et al. (2020); H20: Hill et al. (2020).
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