Table 1.
Properties of the Cosmic Snake and A521.
| Quantity | Cosmic Snake | A521 |
|---|---|---|
| z | 1.036 | 1.044 |
| M⋆ | (4.0 ± 0.5)×1010 M⊙ | (7.4 ± 1.2)×1010 M⊙ |
| SFR | 30 ± 10 M⊙ yr−1 | 26 ± 5 M⊙ yr−1 |
| ΣSFR | 1.5 ± 0.1 M⊙ yr−1 kpc−2 | 1.8 ± 0.1 M⊙ yr−1 kpc−2 |
| ΣMmol | 570 ± 60 M⊙ pc−2 | 430 ± 50 M⊙ pc−2 |
Notes. The redshift values for both galaxies were derived from the CO(4–3) emission line observed with ALMA. The values of M⋆ and SFR of the Cosmic Snake are from Cava et al. (2018), and those of A521 from Nagy et al. (2022). ΣSFR and ΣMmol for both galaxies are derived in this paper in Sect. 4.1.
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