Table 2
Observed line emission parameters for the detected lines with HIFI toward NGC 7538-IRS1.
| Line | Tmb | Tcont | νnar | Δνnar | νmed | Δνmed | νbr | Δνbr | τ |
| [K] | [K] | [kms-1] | [kms-1] | [kms-1] | [kms-1] | [kms-1] | [kms-1] | ||
|
|
|||||||||
o-H O 110–101 |
0.63 | 0.5 | –58.4 ± 0.4 | 5.2 ± 1.1 | |||||
| p-HO 202–111 |
1.90 | 1.7 | − 59.5 ± 0.2 | 3.9 ± 0.5 | |||||
| o-HO 312–303 |
2.27 | 2.0 | –58.2 ± 0.2 | 5.1 ± 0.3 | |||||
| p-HO 111–000 |
2.22 | 2.0 | –57.7/–64.3a ± 0.2 | 5.1/8.8 ± 0.2 | 0.03 | ||||
p-H O 111–000 |
1.9 | 2.0 | –56.7 ± 0.3a | 3.2 ± 0.6 | 0.04 | ||||
|
|
|||||||||
| o-H2O 110–101 | 5.21 | 0.5 | –57.1a/–54.7a ± 0.2 | 2.0/3.9 ± 0.2 | –57.2 ± 0.2 | 13.0 ± 0.3 | 0.9 | ||
| p-H2O 211–202 | 6.86 | 0.8 | –57.5 ± 0.1 | 4.3 ± 0.1 | –57.6 ± 0.1 | 15.2 ± 0.3 | |||
| p-H2O 524–431b | 1.75 | 1.6 | –57.6 ± 0.7 | 12.2 ± 1.6 | |||||
| p-H2O 202–111 | 7.92 | 1.6 | –57.4 ± 0.1 | 4.4 ± 0.1 | –57.7 ± 0.1 | 12.3 ± 0.3 | |||
| o-H2O 312–303 | 6.32 | 2.0 | –57.3 ± 0.1 | 3.4 ± 0.1 | –57.8 ± 0.1 | 8.5 ± 0.2 | |||
| p-H2O 111–000c | 0.1 | 2.0 | –56.1 ± 0.4a | 4.6 ± 0.1 | –51.2 ± 0.4a | 9.3 ± 0.6 | –55.8 ± 0.2 | 24.0 ± 0.4 | 2.9 |
| o-H2O 221–212 | 5.9 | 4.0d | –60.6a/–56.3 ± 0.3 | 5.1/8.7 ± 0.5 | 0.4 | ||||
| o-H2O 212–101 | 0.0 | 4.0d | –58.2a/–52.1 ± 0.3 | 5.7/8.1 ± 0.5 | >7 | ||||
Notes. Tmb is the peak temperature with continuum. Tcont is the real continuum temperature (single sideband). ν is the Gaussian component peak velocity. Δν is the velocity full-width at half-maximum (FWHM) of the narrow, medium, and broad components. The opacity τ is from absorption lines.
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