Table 3.
Significant pulsation frequencies from TESS 2019 and 2021 observations.
| TESS 2019: t0 = 2458583 | TESS 2021: t0 = 2459318 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| ν (μHz) | δνrot | a (ppm) | p | ν (μHz) | δνrot | a (ppm) | p |
 |
|
| ν1 | 2442.0722 ± 05 | 2.588 ± 3 | 395 ± 1 | 1.0 | 2442.0177 ± 06 | 2.582 ± 03 | 388 ± 2 | 1.0 | −22.3 ± 0.3 |
| ν1− | 2439.4854 ± 34 | 49 ± 1 | 1.0 | 2439.4370 ± 44 | 45 ± 2 | 1.0 | |||
| ν1+ | 2444.6609 ± 39 | 40 ± 1 | 1.0 | 2444.6007 ± 46 | 43 ± 2 | 1.0 | |||
 |
2442.387 ± 22 | 9 ± 1 | 1.0 | 2442.255 ± 22 | 10 ± 2 | 1.0 | |||
 |
2441.738 ± 29 | 7 ± 1 | 0.99 | 2441.811 ± 8 | 22 ± 2 | 1.0 | |||
| ν2 | 2472.2498 ± 15 | 2.581 ± 10 | 105 ± 1 | 1.0 | 2472.1818 ± 20 | 2.599 ± 17 | 93 ± 2 | 1.0 | −27.5 ± 1.0 |
| ν2− | 2469.662 ± 14 | 13 ± 1 | 1.0 | 2469.590 ± 25 | 9 ± 2 | 0.99 | |||
| ν2+ | 2474.843 ± 14 | 10 ± 1 | 1.0 | 2474.788 ± 24 | 10 ± 2 | 1.0 | |||
 |
2472.014 ± 19 | 10 ± 1 | 1.0 | 2471.927 ± 54 | 6 ± 2 | 0.90 | |||
| ν3 | 2411.8964 ± 18 | 2.608±14 | 90 ± 1 | 1.0 | 2411.8518 ± 26 | 2.580 ± 26 | 78 ± 2 | 1.0 | −18.5 ± 1.3 |
| ν3− | 2409.284 ± 22 | 8 ± 1 | 1.0 | 2409.275 ± 44 | 6 ± 2 | 0.73 | |||
| ν3+ | 2414.500 ± 16 | 10 ± 1 | 1.0 | 2414.435 ± 26 | 8 ± 2 | 0.98 | |||
| ν4 | 2566.658 ± 14 | 13 ± 1 | 1.0 | 2566.403 ± 33 | 10 ± 2 | 1.0 | −99 ± 14 | ||
 |
2566.450 ± 26 | 6 ± 1 | 0.97 | 2566.284 ± 19 | 9 ± 2 | 1.0 | |||
 |
2567.600 ± 160 | 5 ± 1 | 0.91 | ||||||
| ν5 | 2381.718 ± 12 | 13 ± 1 | 1.0 | 2381.683 ± 20 | 10 ± 2 | 1.0 | −15 ± 10 | ||
| ν6 | 2268.041 ± 19 | 2.574 ± 17 | 9 ± 1 | 1.0 | 2268.016 ± 16 | 2.574 ± 21 | 13 ± 2 | 1.0 | −11 ± 11 |
| ν6− | 2265.456 ± 16 | 10 ± 1 | 1.0 | 2265.422±18 | 11 ± 2 | 1.0 | |||
| ν6+ | 2270.604 ± 31 | 5 ± 1 | 0.96 | 2270.570 ± 38 | 6 ± 2 | 0.78 | |||
| ν7 | 2369.220 ± 18 | 2.576 ± 13 | 9 ± 1 | 1.0 | 2369.172 ± 27 | 2.583 ± 16 | 7 ± 2 | 0.96 | −20 ± 14 |
| ν7− | 2366.6590 ± 55 | 29 ± 1 | 1.0 | 2366.603 ± 7 | 27 ± 2 | 1.0 | |||
| ν7+ | 2371.812 ± 27 | 6 ± 1 | 0.99 | 2371.770 ± 31 | 7 ± 2 | 0.95 | |||
| ν8 | 2502.431 ± 16 | 9 ± 1 | 1.0 | 2502.370 ± 22 | 9 ± 2 | 1.0 | −24 ± 11 | ||
| ν9 | 2221.316 ± 29 | 7 ± 1 | 1.0 | ||||||
| ν10 | 2324.312 ± 31 | 6 ± 1 | 0.98 | 2324.306 ± 38 | 6 ± 2 | 0.72 | −3 ± 21 | ||
| ν11 | 2532.632 ± 29 | 6 ± 1 | 0.97 | ||||||
| ν12 | 2341.357 ± 44 | 5 ± 1 | 0.91 | 2341.433 ± 23 | 2.535 ± 35 | 8 ± 2 | 1.0 | 32 ± 21 | |
| ν12− | 2338.898 ± 26 | 9 ± 2 | 1.0 | ||||||
| Average: | 2.586 ± 3 | 2.576 ± 9 | −21 ± 4 | ||||||
Notes. Frequencies are numbered by their appearance in the 2019 prewhitening sequence. Frequencies and amplitudes are given in μHz and ppm, respectively, and the errors in units of the last digit. The parameter p gives the probability that a frequency is statistically significant compared to noise. The last column lists the relative change in ppm of the pulsation frequencies from 2019 to 2021. Frequencies labeled with 
or 
are presumably due to a modulation (see Sect. 4.1) of the frequency νi.
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