Table 5.
Detected frequencies in the various time series of α Cir.
| Frequency | Amplitude | Phase | p | |
|---|---|---|---|---|
| [d−1] | [parts per | [degrees] | ||
| thousand] | ||||
| f1 | ||||
| TESS | 210.99512(15) | 0.394(8) | – | 1.0 |
| WIRE | 210.99361(5) | 0.65(1) | – | 1.0 |
| BTr | 210.99329(2) | 0.577(28) | 95(1) | 1.0 |
| Bb⋆ | 210.99327(2) | 1.716(81) | 84(1) | 1.0 |
| f1− = f1 − frot | ||||
| TESS | 210.7716(6) | 0.049(3) | – | 1.0 |
| WIRE | 210.7702(1) | 0.083(4) | – | 1.0 |
| Bb⋆ | 210.7866(2) | 0.263(86) | – | 0.31 |
| f1+ = f1 + frot | ||||
| TESS | 211.2188(7) | 0.039(3) | – | 1.0 |
| WIRE | 211.2171(1) | 0.074(4) | – | 1.0 |
| BTb | 211.2167(1) | 0.334(86) | – | 0.82 |
| f6 | ||||
| TESS | 208.3879(3) | 0.089(3) | – | 1.0 |
| WIRE | 208.3866(1) | 0.145(4) | – | 1.0 |
| BTr | 208.3888(1) | 0.098(30) | 23(7) | 0.77 |
| Bb⋆ | 208.3890(1) | 0.318(82) | 11(5) | 0.91 |
| f7 | ||||
| TESS | 213.6055(3) | 0.105(3) | – | 1.0 |
| WIRE | 213.6004(1) | 0.186(4) | – | 1.0 |
| BTr | 213.6005(1) | 0.195(29) | 92(4) | 0.99 |
| Bb⋆ | 213.6011(2) | 0.375(83) | 76(7) | 0.99 |
Notes. The Bb⋆ frequencies are derived from the combined BRITE-blue observations (BAb and BLb), obtained in 2014 and 2016. Phases are defined for HJD = 2457200 and are given in degrees. The parameter p gives the probability that a frequency is statistically significant compared to no signal (i.e. due to noise).
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