Table 3.
Pulsation frequencies (F), amplitudes (A), phases (ϕ), and signal-to-noise values (S/N) of β Cas derived from the BRITE-Constellation, SMEI, and TESS data.
| F1 | F2 | F3 = 2 ⋅ F1 | F4 | F5 = F1 + F2 | F6 = F1 ± (1/T) | ||
|---|---|---|---|---|---|---|---|
| Freq. BRITE red | 9.89708(1) | 9.0437(1) | 19.7922(6) | – | – | – | d−1 |
| AR 2015 | 13.30(4) | 1.51(4) | 0.28(4) | – | – | – | mmag |
| AR 2016 | 13.14(6) | 1.43(6) | 0.40(6) | – | – | – | mmag |
| AR 2018 | 12.57(6) | 1.34(6) | – | – | – | – | mmag |
| ϕR 2015 | 0.1911(5) | 0.216(5) | 0.4(2) | – | – | – | |
| ϕR 2016 | 0.1505(7) | 0.769(6) | 0.4(2) | – | – | – | |
| ϕR 2018 | 0.1566(7) | 0.791(6) | – | – | – | – | |
| S/NR 2015 | 21.47 | 21.94 | 4.38 | – | – | – | |
| S/NR 2016 | 23.81 | 17.57 | 4.98 | – | – | – | |
| S/NR 2018 | 32.54 | 14.46 | – | – | – | – | |
| Freq. BRITE blue | 9.89710(1) | 9.0434(1) | 19.7946(7) | – | – | – | d−1 |
| AB 2015 | 22.2(1) | 2.5(1) | 0.5(1) | – | – | – | mmag |
| AB 2016 | 22.47(8) | 2.62(8) | 0.47(8) | – | – | – | mmag |
| AB 2017 | 22.2(2) | 2.38(2) | – | – | – | – | mmag |
| AB 2018 | 23.7(4) | – | – | – | – | – | mmag |
| ϕB 2015 | 0.1719(7) | 0.132(7) | 0.49(3) | – | – | – | |
| ϕB 2016 | 0.1469(6) | 0.82(5) | 0.99(3) | – | – | – | |
| ϕB 2017 | 0.126(1) | 0.78(1) | – | – | – | – | |
| ϕB 2018 | 0.625(3) | – | – | – | – | – | |
| S/NB 2015 | 17.41 | 18.67 | 3.53 | – | – | – | |
| S/NB 2016 | 23.15 | 21.45 | 3.99 | – | – | – | |
| S/NB 2017 | 14.12 | 10.27 | – | – | – | – | |
| S/NB 2018 | 7.49 | – | – | – | – | – | |
| Freq.SMEI | 9.8971699(9) | 9.044955(8) | – | – | – | – | d−1 |
| ASMEI | 11.25(5) | 1.24(5) | – | – | – | – | mmag |
| ϕSMEI | 0.1301(7) | 0.001(7) | – | – | – | – | |
| S/NSMEI | 120.65 | 21.41 | – | – | – | – | |
| Freq.TESS | 9.897098(2) | 9.04391(2) | 19.7942(1) | 8.3847(4) | 18.9409(6) | 9.9000(5) | d−1 |
| ATESS | 9.749(2) | 1.035(2) | 0.229(2) | 0.055(2) | 0.038(2) | 0.025(2) | mmag |
| ϕTESS | 0.77974(4) | 0.4214(3) | 0.304(2) | 0.771(6) | 0.260(9) | 0.305(8) | |
| S/NTESS | 20.28 | 153.52 | 54.77 | 10.51 | 10.65 | 19.365 | |
Notes. Frequency, amplitude, and phase errors are given as last-digit errors in parentheses and were calculated following Montgomery & O’Donoghue (1999). Frequencies F3, F5, and F6 are identified as linear combinations in the top line.
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