Table 1
Observing log for the β Pic CRIRES+ observations.
| Date | Mode | DIT | NDIT | Nfr | ρb | RVb | ρc | RVc | BV(a) |
|---|---|---|---|---|---|---|---|---|---|
| (s) | Nfr | (mas) | (km/s) | (mas) | (km/s) | (km/s) | |||
| 29 Nov. 2022 | L3262 | 30 | 1 | 120 | 536 | 11.0±0.3 | 11 | −0.4±3.9 | 2.44 |
| 23 Dec. 2022 | L3262 | 30 | 1 | 120 | 539 | 11.1±0.3 | 23 | −6.0±3.8 | −0.95 |
| 23 Dec. 2022 | M4318 | 10 | 6 | 52 | 539 | 11.1±0.3 | 23 | −6.0±3.8 | −0.95 |
| 25 Dec. 2022 | L3340 | 30 | 1 | 120 | 539 | 11.1±0.3 | 29 | −6.4±3.8 | −1.23 |
| 31 Dec. 2022 | L3426 | 60 | 1 | 60 | 539 | 11.1±0.3 | 32 | −7.6±3.7 | −2.08 |
| 22 Jan. 2023 | M4318 | 10 | 6 | 56 | 541 | 11.1±0.3 | 54 | −11.7±3.3 | −4.91 |
| 15 Feb. 2023 | L3340 | 60 | 1 | 60 | 544 | 11.2±0.3 | 72 | −15.2±2.9 | −7.13 |
| 25 Feb. 2023 | M4318 | 10 | 6 | 56 | 544 | 11.2±0.3 | 81 | −16.4±2.6 | −7.70 |
| 27 Sep. 2023 | L3340 | 30 | 1 | 128 | 557 | 11.4±0.3 | 149 | −20.2±0.5 | 7.94 |
| 9 Oct. 2023 | L3262 | 60 | 1 | 60 | 557 | 11.4±0.3 | 149 | −19.8±0.5 | 7.52 |
| 12 Oct. 2023(b) | L3426 | 60 | 1 | 124 | 557 | 11.4±0.3 | 149 | −19.7±0.5 | 7.36 |
| 13 Oct. 2023(b) | M4318 | 10 | 6 | 104 | 557 | 11.4±0.3 | 149 | −19.6±0.5 | 7.30 |
| 1 Nov. 2023 | M4318 | 10 | 6 | 56 | 558 | 11.4±0.3 | 147 | −18.9±0.5 | 5.81 |
Notes. (a)Nfr: number of frames in the run. ρ: Star-planet separation. RVb and RVc: expected planet RV relative to the star for planets b and c. BV: barycentric velocity of Earth relative to β Pic.(b)Two OBs in the same mode were executed contiguously on these nights, the OB pairs are merged and count as single observations here.
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