Table 8
Observed ortho-H2O+ fine structure line parameters of the high-redshift H-ATLAS lensed HyLIRGs.
| Source | H2O+ transition | ν rest | ν line | I H2O+ |
| (GHz) | (GHz) | (Jy km s-1) | ||
|
|
||||
| NCv1.143 | 211–202 (5/2−5/2) | 746.5 | 163.53 | 1.6 ± 0.5 |
| 202–111 (3/2−3/2) | 746.3 | 163.48 | 0.2 ± 0.5 | |
| 211–202 (5/2−3/2) | 742.3 | 162.61 | 0.3 ± 0.4 | |
| 202–111 (5/2−3/2) | 742.1 | 162.56 | 1.6 ± 0.4 | |
| G09v1.97 | 202–111 (5/2−3/2) | 742.1 | 160.14 | 1.4 ± 0.4 |
| G15v2.779 | 211–202 (5/2−5/2) | 746.5 | 142.35 | 1.2 ± 0.3 |
Notes. The H2O+ (202–111) (5/2−3/2) line in G09v1.97 is blended by (211–202) (5/2−3/2), and H2O+ (211–202) (5/2−5/2) line in G15v2.779 is blended by (202–111) (3/2−3/2). However, the contribution from the latter in each case is small, likely less than 20% as shown in the case of the H2O+ lines in NCv1.143. Note that the quoted uncertainties do not include the missing parts of the spectra cut by the limited observed bandwidth (Fig. 6).
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