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Table 3.
Frequencies detected using shape periodograms for BG Cru.
| No. | Frequency [d−1] | Period [d] | Amplitude | Identification | ||||
|---|---|---|---|---|---|---|---|---|
| C | g |
 |
Cg | S | ||||
| f1O | 0.29917985(3) | 3.34247104 | 0.11 | 0.67 | 0.43 | – | 0.38 | First Overtone |
| fX | 0.33246066(3) | 3.00787470 | 0.77 | – | 0.58 | 0.77 | 0.36 | Additional Signal |
| f0 | 0.03323932(3) | 30.0848471 | 0.092 | – | 0.10 | 0.08 | 0.034 | fX/10 or fX − f1O |
| f1 | 0.08309935(3) | 12.0337885 | 0.047 | – | 0.034 | 0.035 | – | fX/4 |
| f2 | 0.11081296(3) | 9.02421529 | 0.083 | – | 0.062 | 0.084 | 0.041 | fX/3 |
| f3 | 0.14959978(3) | 6.68450195 | – | 0.12 | 0.072 | – | 0.06 | f1O/2 |
| f4 | 0.16624018(3) | 6.01539297 | 0.19 | – | 0.14 | 0.19 | 0.086 | fX/2 |
| f5 | 0.37112510(3) | 2.69450907 | 0.066 | – | 0.075 | 0.055 | – | fX + f0 |
| f6 | 0.59834001(3) | 1.67129054 | – | 0.081 | – | – | – | 2f1O |
| f7 | 0.63162081(3) | 1.58322838 | 0.087 | – | 0.097 | 0.077 | 0.028 | f1O + fX |
Notes. The line splitting pattern is attributed to fX. Subharmonics f0 to f4 are artefacts induced by the partial distance correlations (Sect. 4.1.2).
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