Table 4
Main frequencies (rounded values) and corresponding periods referred to in this paper.
| Name | Frequency | Period | Name | Frequency | Period |
| (d-1) | (d) | (d-1) | (d) | ||
|
|
|||||
| ν0 | 0.403 | 2.48 | ν7 | 1.74 | 0.574 |
| ν1 | 1.315 | 0.760 | ν8 | 1.19 | 0.840 |
| ν2 | 0.245 | 4.1 | ν9 | 0.620 | 1.613 |
| ν3 | 0.495 | 2.02 | ν10 | 1.41 | 0.709 |
| ν4 | 0.642 | 1.56 | ν H | 1.581 | 0.6326 |
| ν 5 | 0.741 | 1.35 | NRP1 | 1.96 | 0.510 |
| ν 6 | 2.386 | 0.419 | NRP2 | 3.64 | 0.275 |
Notes. The labeling ν1,..,3 is the same as in RH15. Our adopted rotation frequency is ν2. The frequency reported by Marchenko et al. (1998) from the Hipparcos lightcurve is denoted νH. The NRP modes reported by de Jong et al. (1999) are marked as NRP1 and NRP2. See Table 5 for the occurrence of these frequencies.
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