Table A.1
Overview of all HD 100453 MATISSE observations.
| HD 100453 | Calibrator | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Time start (UTC) |
Seeing (") |
τ0 (ms) |
Wind (m/s) |
PWV (mm) |
Stations | Array | Res. | Ch. | G4M | Epoch | ∆Time (hh:mm) |
Star | LDD (mas) |
| 2019-05-15T02:01:55 a | 1.45 | 2.8 | 13.8 | 2.3 | U1-U2-U3-U4 | UTs | MED | – | +0:34 | HD102461 | 2.97 | ||
| 2019-05-15T02:14:53 a | 1.58 | 2.7 | 14.1 | 2.2 | U1-U2-U3-U4 | UTs | MED | ✓ | – | +0:34 | HD102461 | 2.97 | |
| 2019-06-10T01:28:03 | 0.49 | 4.6 | 3.1 | 1.8 | K0-G2-D0-J3 | Medium | LOW | 2019a | –0:19 | HD102839 | 2.02 | ||
| 2019-12-22T09:11:35 | 0.67 | 11.1 | 1.2 | 2.63 | K0-G2-D0-J3 | Medium | LOW | 2019b | –0:54 | *DCen | 2.2 | ||
| 2021-01-16T08:09:24 | 1.18 | 6.2 | 4.6 | 2.5 | A0-G1-J2-J3 | Large | LOW | ✓ | 2021a | + 1:00 | HD102461 | 2.97 | |
| 2021-01-16T08:20:06 | 0.96 | 5.2 | 5.1 | 2.5 | A0-G1-J2-J3 | Large | LOW | ✓ | 2021a | + 1:00 | HD102461 | 2.97 | |
| 2021-01-24T05:10:34 | 0.66 | 5.7 | 2.1 | 6.9 | K0-G2-D0-J3 | Medium | LOW | 2021b | –0:26 | HD92436 | 3.07 | ||
| 2021-01-24T05:17:49 | 0.55 | 7.5 | 2.0 | 6.9 | K0-G2-D0-J3 | Medium | LOW | ✓ | 2021b | –0:26 | HD92436 | 3.07 | |
| 2021-01-25T04:06:05 | 0.66 | 5.8 | 7.6 | 4.3 | K0-G2-D0-J3 | Medium | MED | ✓ | 2021b | –0:22 | HD92436 | 3.07 | |
| 2021-01-27T06:51:35 | 0.77 | 4.5 | 9.7 | 5.1 | A0-B2-D0-C1 | Small | MED | ✓ | 2021b | +0:41 | *eCen | 2.97 | |
| 2021-01-27T07:02:05 | 0.81 | 4.9 | 8.7 | 5.1 | A0-B2-D0-C1 | Small | LOW | ✓ | 2021b | +0:41 | *eCen | 2.97 | |
| 2021-01-27T07:09:12 | 0.74 | 6.0 | 8.6 | 5.1 | A0-B2-D0-C1 | Small | LOW | ✓ | 2021b | +0:41 | *eCen | 2.97 | |
| 2022-03-09T06:15:45 b | 0.44 | 16.2 | 2.6 | 7.2 | K0-G2-D0-J3 | Medium | MED | ✓ | – | +0:26 | HD102461 | 2.97 | |
| 2022-03-09T06:23:37 | 0.53 | 12.9 | 2.8 | 7.34 | K0-G2-D0-J3 | Medium | MED | ✓ | ✓ | 2022 | +0:26 | HD102461 | 2.97 |
| 2022-03-14T03:26:38 | 1.08 | 3.4 | 7.4 | 6.3 | A0-B2-D0-C1 | Small | MED | ✓ | 2022 | +0:27 | HD91942 | 3.49 | |
| 2022-03-14T03:38:44 c | 0.95 | 4.0 | 7.6 | 6.7 | A0-B2-D0-C1 | Small | MED | ✓ | ✓ | – | +0:27 | HD91942 | 3.49 |
| 2022-12-18T07:56:01a | 1.6 | 1.9 | 10.5 | 1.2 | A0-G1-J2-K0 | Large† | LOW | – | +0:23 | HD102461 | 2.97 | ||
| 2022-12-18T08:05:33 a | 1.57 | 2.3 | 11.0 | 1.2 | A0-G1-J2-K0 | Large† | LOW | ✓ | – | +0:23 | HD102461 | 2.97 | |
| 2023-03-15T05:54:24 | 0.66 | 5.3 | 4.9 | 11.8 | A0-G1-J2-K0 | Large† | MED | ✓ | 2023 | +0:27 | HD102964 | 2.45 | |
| 2023-03-15T06:05:01 | 0.44 | 9.4 | 4.7 | 11.9 | A0-G1-J2-K0 | Large† | MED | ✓ | ✓ | 2023 | +0:27 | HD102964 | 2.45 |
Notes. The night information describes the weather conditions at the start of observations, where τ0 is the coherence time, ’Res.’ the spectral resolution, ’Ch.’ the chopping indicator and ’G4M’ the GRAVITY fringe tracker indicator. The spectral resolution varied between observations from low to medium resolution. Six datasets were not included in the analysis after careful examination. (a)Observations with seeing > 1.2” are generally considered unreliable and hence were excluded from the analysis.
(b)Rare instance where non-chopped closure phases were noisier than chopped.
(c)Excluded since conditions were not sufficient to keep fringe tracking stable during the chopping sequences.
(†)In earlier periods this array was called astrometric.
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