Table 1.
Properties of the BRITE-Constellation two-colour observations, the SMEI and TESS data for β Cas.
| Satellite | Field ID | Obsstart | Obsend | Time base | 1/T | N | Res. noise | fNyq |
|---|---|---|---|---|---|---|---|---|
| [d] | [d−1] | # | [ppm] | [d−1] | ||||
| BAb | 11-CasCep-I-2015 | 29 Aug. 2015 | 26 Oct. 2015 | 58.034 | 0.017 | 14305 | 163.1 | 2117.33 |
| BLb | 11-CasCep-I-2015 | 29 Sep. 2015 | 17 Oct. 2015 | 18.067 | 0.055 | 8403 | 217.2 | 2119.62 |
| BAb + BLb | Combined | 29 Aug. 2015 | 26 Oct. 2015 | 58.034 | 0.017 | 22708 | 130.8 | 2133.35 |
| BHr | 11-CasCep-I-2015 | 31 Aug. 2015 | 17 Oct. 2015 | 46.950 | 0.021 | 4552 | 215.4 | 2096.39 |
| BTr | 11-CasCep-I-2015 | 4 Dec. 2015 | 20 Jan. 2016 | 43.681 | 0.023 | 20609 | 50.8 | 1892.47 |
| BHr + BTr | Combined | 31 Aug. 2015 | 20 Jan. 2016 | 142.096 | 0.007 | 25161 | 62.8 | 1925.06 |
| BAb | 19-Cas-I-2016 | 7 Aug. 2016 | 30 Dec. 2016 | 145.045 | 0.007 | 17728 | 114.4 | 2085.80 |
| UBr | 19-Cas-I-2016 | 13 Sep. 2016 | 1 Feb. 2017 | 141.072 | 0.007 | 23494 | 84.2 | 2120.99 |
| BAb | 30-Cas-II-2017 | 7 Aug. 2017 | 3 Feb. 2018 | 160.170 | 0.006 | 7253 | 227.2 | 2092.82 |
| BAb | 39-Cas-III-2018 | 8 Aug. 2018 | 14 Nov. 2018 | 96.587 | 0.010 | 1316 | 677.3 | 2075.96 |
| BTr | 39-Cas-III-2018 | 14 Sep. 2018 | 21 Jan. 2019 | 129.618 | 0.008 | 41757 | 92.4 | 2108.16 |
| SMEI | 2884.825 | 0.0003 | 28742 | 64.8 | 7.08 | |||
| TESS | Sector 17 | 7 Oct. 2019 | 2 Nov. 2019 | 23.081 | 0.043 | 13134 | – | – |
| Sector 18 | 2 Nov. 2019 | 27 Nov. 2019 | 22.873 | 0.044 | 14961 | – | – | |
| Combined | 7. Oct. 2019 | 27 Nov. 2019 | 45.954 | 0.02 | 28095 | 2.4 | 359.39 | |
Notes. Satellite used to conduct the observations (Satellite), BRITE-Constellation field ID and TESS Sector number (Field ID), corresponding start (Obsstart) and end dates (Obsend) of observations, total time base of the reduced data set (Time base), Rayleigh frequency resolution (1/T), number of data points (N), residual noise after pre-whitening all frequencies (Res. noise) which is calculated over the complete frequency range relevant for δ Scuti pulsations from 0 to 100 d−1, and the Nyquist frequency (fNyq) for each data set. As the TESS data of sectors 17 and 18 were analysed together, no individual values for the residual noise and Nyquist frequency are provided.
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