Open Access
Table A.1
Spectra of UX Ori and quasi-simultaneous V-band photometry.
| Date (UT) FIES spectrum | χ | S/N | V’ | σ | ∆t | Photometry observer |
|---|---|---|---|---|---|---|
| S/N | mag | mag | d | |||
| 2019-02-20T23:04:15.0 | 1.53 | 49 | 10.59 | 0.10 | −0.09 | ASAS-SN (g) |
| 2019-02-23T21:47:21.4 | 1.28 | 78 | 10.51 | 0.03 | −0.03 | SAAF (V) |
| 2019-03-01T20:25:02.2 | 1.20 | 66 | 10.81 | 0.03 | 0.05 | SAAF (V) |
| 2019-03-03T21:18:07.2 | 1.29 | 37 | 10.86 | 0.10 | −0.10 | ASAS-SN (g) |
| 2019-03-05T21:34:48.5 | 1.36 | 52 | 10.82 | 0.10 | −0.09 | ASAS-SN (g) |
| 2019-03-06T22:01:13.8 | 1.49 | 58 | 10.74 | 0.10 | 0.16 | ASAS-SN (g) |
| 2020-01-30T01:27:28.0 | 1.99 | 34 | 10.83 | 0.10 | −0.21 | ASAS-SN (g) |
| 2020-02-15T20:43:10.6 | 1.19 | 25 | 11.90 | 0.10 | −0.19 | AAVSO (Visual) |
| 2020-03-09T20:52:41.6 | 1.29 | 38 | 11.35 | 0.10 | 0.29 | ASAS-SN (g) |
| 2020-03-12T23:05:02.6 | 2.39 | 22 | 10.98 | 0.03 | −0.20 | SAAF (V) |
| 2020-09-05T05:55:17.8 | 1.30 | 88 | 9.98 | 0.10 | −0.72 | ASAS-SN (g) |
| 2020-11-17T03:01:43.1 | 1.19 | 58 | 10.89 | 0.04 | 0.01 | SAAF (V) |
| 2020-12-07T00:18:23.1 | 1.24 | 43 | 10.91 | 0.01 | 0.19 | AAVSO (V) |
| 2020-12-12T03:12:57.1 | 1.40 | 26 | 12.00 | 0.10 | −0.01 | ASAS-SN (g) |
| 2020-12-18T00:23:02.5 | 1.19 | 46 | 11.56 | 0.01 | 0.16 | AAVSO (V) |
| 2020-12-21T01:05:00.0 | 1.20 | 59 | 10.91 | 0.02 | 0.06 | SAAF (V) |
| 2021-01-18T23:41:36.0 | 1.23 | 23 | 12.48 | 0.01 | −0.07 | SAAF (V) |
| 2021-01-20T21:43:29.3 | 1.21 | 34 | 12.00 | 0.10 | 0.36 | AAVSO (Visual) |
| 2021-01-24T21:23:19.5 | 1.22 | 26 | 12.36 | 0.04 | −0.75 | SAAF (V) |
| 2021-01-27T22:54:05.5 | 1.22 | 37 | 12.27 | 0.10 | 0.23 | ASAS-SN (g) |
| 2021-01-28T22:42:17.8 | 1.21 | 32 | 12.37 | 0.10 | 0.23 | ASAS-SN (g) |
| 2021-09-08T05:49:33.8 | 1.29 | 118 | 10.30 | 0.06 | 0.16 | SAAF (V) |
| 2021-09-20T04:53:59.2 | 1.31 | 86 | 11.29 | 0.09 | 0.17 | SAAF (V) |
| 2021-12-22T02:53:20.3 | 1.48 | 69 | 11.28 | 0.10 | 1.14 | ASAS-SN (g) |
| 2021-12-24T02:59:34.2 | 1.55 | 77 | 10.61 | 0.01 | 0.66 | SAAF (V) |
| 2021-12-25T00:44:22.0 | 1.19 | 88 | 10.61 | 0.02 | −0.13 | AAVSO (V) |
| 2021-12-28T22:52:44.9 | 1.24 | 90 | 10.65 | 0.10 | 0.31 | ASAS-SN (g) |
| 2021-12-30T03:35:07.5 | 2.09 | 62 | 10.32 | 0.07 | 0.17 | SAAF (V) |
| 2022-01-07T00:47:22.2 | 1.30 | 18(a) | 10.30 | 0.05 | 0.13 | SAAF (V) |
| 2022-01-15T21:37:03.2 | 1.25 | 83 | 10.40 | 0.01 | −0.07 | AAVSO (V) |
| 2022-02-14T20:42:20.8 | 1.19 | 69 | 10.61 | 0.05 | 0.23 | SAAF (V) |
| 2022-09-12T05:23:25.2 | 1.32 | 52 | 10.5 | 0.10 | 0.0 | V estimate from [OI] 6300 Å line. |
| 2023-01-23T21:45:43.8 | 1.20 | 50 | 10.60 | 0.01 | 0.18 | AAVSO (V) |
| 2023-10-05T03:47:16.4 | 1.33 | 60 | 10.43 | 0.01 | −0.01 | NOT/ALFOSC (V) |
| 2023-10-17T02:22:45.6 | 1.47 | 55 | 11.10 | 0.01 | 0.01 | NOT/ALFOSC (V) |
| 2023-10-29T05:38:12.7 | 1.32 | 47(a) | 10.86 | 0.01 | 0.04 | NOT/StanCam (V) |
| 2023-11-02T03:09:46.9 | 1.20 | 61 | 11.30 | 0.01 | −0.01 | NOT/ALFOSC (V-) |
| 2023-11-26T01:23:21.0 | 1.21 | 45 | 11.52 | 0.01 | 0.12 | SAAF (V) |
| 2023-11-30T03:32:27.7 | 1.31 | 46 | 11.51 | 0.01 | −0.01 | NOT/ALFOSC (V) |
| 2023-12-03T02:22:34.9 | 1.21 | 59 | 11.18 | 0.01 | 0.01 | NOT/ALFOSC (V) |
| 2023-12-09T00:08:29.6 | 1.24 | 51 | 11.13 | 0.01 | 0.01 | NOT/ALFOSC (V) |
| 2024-01-11T22:32:32.7 | 1.20 | 33 | 11.23 | 0.01 | −0.01 | NOT/ALFOSC (V) |
| 2024-01-14T21:09:22.6 | 1.32 | 20 | 11.72 | 0.01 | 0.01 | NOT/ALFOSC (V) |
| 2024-01-17T20:53:54.1 | 1.33 | 39 | 11.72 | 0.01 | 0.01 | NOT/ALFOSC (V) |
| 2024-01-19T01:21:19.0 | 1.60 | 27 | 11.67 | 0.01 | 0.02 | NOT/ALFOSC (V) |
| 2024-01-19T22:13:58.6 | 1.19 | 22 | 11.84 | 0.01 | 0.01 | NOT/ALFOSC (V) |
| 2024-01-22T01:13:52.1 | 1.64 | 24(a) | 11.75 | 0.01 | 0.07 | AAVSO (V) |
| 2024-01-22T22:34:03.4 | 1.19 | 46 | 11.77 | 0.01 | −0.06 | NOT/StanCam (V) |
| 2024-01-23T22:54:14.9 | 1.20 | 41 | 11.70 | 0.01 | −0.04 | NOT/StanCam (V) |
| 2024-01-27T22:31:53.8 | 1.20 | 39 | 11.39 | 0.01 | −0.01 | NOT/ALFOSC (V) |
| 2024-01-28T22:21:18.3 | 1.19 | 51 | 11.32 | 0.01 | 0.01 | NOT/ALFOSC (V) |
| 2024-01-29T21:45:24.0 | 1.19 | 62 | 11.25 | 0.01 | −0.01 | NOT/ALFOSC (V) |
| 2024-02-03T00:22:07.5 | 1.60 | 10 | 11.38 | 0.01 | 0.01 | NOT/ALFOSC (V) |
| 2024-02-11T22:22:46.9 | 1.27 | 44 | 11.87 | 0.01 | 0.01 | NOT/ALFOSC (V) |
Notes. The date refers to FIES spectrum, obtained at an airmass χ, and with a final S/N ratio measured ~ 5300 Å. Quasi-simultaneous photometry is represented by the adopted V-band magnitude (V′), separated in time by ∆t fractional days from the FIES spectra. See Sect. 2 for further details. (a)FIES exposure time shorter than nominal.
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