Table 2.
Selected ALMA spectral windows in the combined data.
| spw | Objective | Transition | Observed υ (GHz) | Chan. width (kHz) | Velocity res. (km s−1) | Noise rms (mJy) | Beam (arcsec × arcsec, deg) |
|---|---|---|---|---|---|---|---|
| 0 | 12CO | J = 2 − 1 | 230.55 | 244.141 | 0.317 | 1.3 | 0.18 × 0.17, −15 |
| 1 | NaCl | J = 18 − 17 | 234.27 | 488.281 | 0.625 | 1.1 | 0.18 × 0.17, −12 |
| 2 | SiO | J = 5 − 4 | 217.12 | 244.141 | 0.337 | 1.2 | 0.20 × 0.18, +8 |
| 3 | SiS | J = 12 − 11 | 217.83 | 244.141 | 0.336 | 1.1 | 0.20 × 0.18, −20 |
Notes. The sky frequencies assume a source radial velocity of υlsr = −33.98 km s−1. The central observed frequency is the average over epochs.
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