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Table 1.
ALMA observation & imaging pipeline data product details.
| Property | Observation 1 | Observation 2 | Observation 3 | Observation 4 |
|---|---|---|---|---|
| Project Code | 2018.1.01852.S | 2019.1.01615.S | 2019.1.01615.S | 2019.1.01615.S |
| Observation Dates | 2019 Mar. 13, Apr. 1, 3 | 2020 Jan. 13 | 2020 Jan. 14, 16, 25 | 2020 Feb. 28 |
| Max baseline length | 360–500 m | 178 m | 167–180 m | 784 m |
| No. of antennasa | 45–48 | 38–41 | 40–42 | 38 |
| Bandpass Calibrator | J1058+0133 | J1058+0133 | J1058+0133 | J1058+0133 |
| Bandpass Cal Flux | ∼4.6 Jy | ∼2.6 Jy | ∼2.6 Jy | ∼2.9 Jy |
| Phase Calibrator | J0948+022 | J1008+0029 | J1008+0029 | J1008+0621 |
| Phase Cal Flux | ∼90–210 mJy | ∼61 mJy | ∼61 mJy | ∼140 mJy |
SFR Target Selection |
> 1 M⊙ yr−1 | ∼0.4 M⊙ yr−1 | ∼0.6 M⊙ yr−1 | Replacementc |
| COSMOS targets | 0969208, 1189669, | 1399657, 1440745 | 1008875, 1009969, | 1429536, 1430950 |
| 1197519, 1200839, | 1197786, 1440643 | |||
| 1204323, 1411106 | ||||
| No. of Executions | 3 | 3 | 7 | 1 |
| Time on source | 20 min | 75 min | 60 min | 50 min |
| Cube beam size | 2.1″ × 1.6″ | 1.7″ × 1.5″ | 1.7″ × 1.5″ | 1.8″ × 1.1″ |
| Cube RMS noiseb | 1.1 mJy beam−1 | 0.65 mJy beam−1 | 0.81 mJy beam−1 | 0.69 mJy beam−1 |
| Cube RMS noise (5″)b | 1.5 mJy beam−1 | 1.0 mJy beam−1 | 1.2 mJy beam−1 | 2.2 mJy beam−1 |
Notes. aNumber of antennas after flagging. bNoise per channel in the final products from the ALMA Interferometric Pipeline (see Section 2.1). The value does not account for noise correlation between channels. cReplacement observations for bad LO tuning.
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