Table 1
Properties and programme information of the three stars examined in this work.
| ID | HD 37122(1) | HD 159222(2) | HD 163466(2) |
|---|---|---|---|
| RA | 05 30 00.7691 | 17 32 00.9923 | 17 52 25.3741 |
| Dec | −69 58 31.871 | +34 16 16.131 | +60 23 46.94 |
| Spectral type | K2III C | G1V | A7Vm |
| Teff (K) | ~4000 | 5790 | ~9000 |
| K mag | 5.13 | 5.05 | 6.34 |
| APT PID | 1029 | 1050 | 1050 |
| PI | A. Glasse | B. Vandenbussche | ″ |
| Date | May 22–23, 2022 | June 6, 2022 (first visit) June 13, 2022 (repeat visit) |
June 8–9, 2022 |
| Dithers (3) | 4 (positive) | 4 (negative) | 4 (positive) |
| 4 (negative) | 4 (negative) | ||
| Groups/integrations (per sub-band) | 12/7 (1/2 A, B) | 15/6 (1/2) 45/2 (3/4) |
|
| 15/6 (1/2 C) | 50/2 | ||
| 30/3 (3/4) | |||
| Time per dither [s] | 249.754 263.629 255.304 |
263.629 252.529 |
280.279 |
| 1050 background | |||
| Dithers | 2 (negative) | ||
| Groups/integrations | 50/2 | ||
| Time per dither [s] | 560.558 | ||
Notes. (1)Gaia Collaboration (2016, 2021); Fabricius et al. (2021); (2)Gray et al. (2003). Groups per integration show sub-band and/or channel when a different set-up was used for different bands. (3)https://jwst-docs.stsci.edu/jwst-mid-infrared-instrument/miri-operations/miri-dithering/miri-mrs-dithering
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