Table 1.
Line flux and luminosity towards MACS1931.
| Line | Component | Velocity | Method | FWHM | Flux | Fluxbeam corr | Luminosity L′ |
 |
S/N |
|---|---|---|---|---|---|---|---|---|---|
| [km s−1] | [km s−1] | [Jy km s−1] | 109 [K km s−1 pc−2] | ||||||
| CO(1−0) | BCG | Fixed 0 | Gauss | 285 ± 54 | 2.2 ± 0.6 | – | 9.8 ± 2.4 | – | 4.2 |
| Lorentz | 207 ± 32 | 2.5 ± 0.6 | 11.0 ± 2.5 | ||||||
| Tail | – | Gauss | Fixed 123 | < 0.8 | < 0.9 | < 3.7 | < 4.3 | – | |
| CO(7−6) | BCG | Fixed | Gauss | 233 ± 43 | 24.4 ± 10.3 | – | 2.2 ± 0.9 | – | 2.4 |
| 994.7 | Lorentz | 298 ± 83 | 36.7 ± 13.5 | 3.3 ± 1.2 | |||||
| Tail | – | Gauss | Fixed 123 | < 27.9 | < 47.1 | < 2.5 | < 4.2 | – | |
| [CI](2−1) | BCG | Fixed 0 | Gauss | 243 ± 103 | 41.6 ± 13.2 | – | 3.7 ± 1.2 | – | 3.7 |
| Lorentz | 245 ± 174 | 56.4 ± 14.7 | 5.0 ± 1.3 | ||||||
| Tail | Fixed | Gauss | Fixed 123 | 8.4 ± 6.0 | 14.2 ± 10.1 | 0.7 ± 0.5 | 1.3 ± 0.9 | 1.2 | |
| 315.8 | Lorentz | 8.6 ± 7.3 | 14.5 ± 12.3 | 0.8 ± 0.6 | 1.3 ± 1.0 | ||||
Notes. In this table, “< ” symbols refer to estimated 3σ upper limits. For each spectral line of each component of the galaxy (Tail and BCG), the velocity offset and the full width at half maximum (FWHM) of the fitted function are reported in the third and fifth columns of the table, respectively. The FWHM of all lines for the tail are assumed to be the same as the FWHM of the 12CO(3−2) line detected by Fogarty et al. (2019) for the tail of MACS1931. Line fluxes are computed by two methods of fitting the line profile with a Gaussian function and a Lorentzian function. The measured flux and luminosity using each method are reported in the sixth and eighth columns, respectively. “Beam corrected” fluxes and luminosities are corrected for the differential beam effect and reported in the seventh and ninth columns, respectively. The signal-to-noise ratio (S/N) of the Gaussian fitting function for each spectral line is reported in the tenth column.
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