Open Access
Table 1
Log of MATISSE N-band observations of Betelgeuse, where the letters A, B, and C give the sequential order of observations during a night.
| Date | Time (UT) | Configuration | Calibrator(s) | Seeing (arcsec) | Quality assessment |
|---|---|---|---|---|---|
| 2020-02-08(A) | 00:01:49 | A0-B2-D0-C1 | Sirius | 0.71 | Pass |
| 2020-02-08(B) | 00:50:19 | A0-B2-D0-C1 | Sirius & ϵ Lep | 0.65 | Fail |
| 2020-02-08(C) | 01:38:08 | A0-B2-D0-C1 | ϵ Lep & Sirius | 0.57 | Pass |
| 2020-02-19(A) | 00:45:22 | K0-G2-D0-J3 | ϵ Lep | 0.78 | Fail |
| 2020-02-19(B) | 01:37:15 | K0-G2-D0-J3 | Sirius | 0.81 | Pass |
| 2020-02-25 | 00:41:21 | A0-G1-J2-J3 | ϵ Lep | 1.04 | Fail |
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