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Table 4.

Observed and theoretical m = 0 periods of the asteroseismological model for GD 358 [M = 0.584 M, Teff = 24 967 K, log(L/L) = − 1.215] corresponding to solution (1) in Fig. 8.

O Πk k δΠk Unstable
(s) (s) (s) (10−13 s/s)
423.246 1 420.975 1 8 2.272 0.725 Yes
463.481 1 462.511 1 9 0.970 1.354 Yes
464.238 ? 462.511 1 9 1.727 1.354 Yes
494.026 ? 499.054 1 10 −5.028 1.146 Yes
538.300 1 538.126 1 11 0.174 1.394 Yes
574.220 1 572.947 1 12 1.273 1.041 Yes
618.272 1 617.647 1 13 0.625 1.319 Yes
658.690 1 657.517 1 14 1.173 1.735 Yes
699.820 1 696.097 1 15 3.723 1.650 Yes
730.280 1 732.797 1 16 −2.517 1.506 Yes
775.745 1 770.251 1 17 5.494 1.621 Yes
811.076 1 812.662 1 18 −1.586 2.014 Yes
854.593 1 853.775 1 19 0.818 2.026 Yes
901.490 ? 894.617 2 36 6.873 2.176 Yes
923.556 ? 926.073 1 21 −2.517 1.900 Yes
963.226 ? 965.149 2 39 −1.923 2.704 Yes
1014.350 1 1010.499 1 23 3.851 2.470 Yes
1062.320 ? 1063.670 2 43 −1.350 3.004 Yes
1087.538 1 1082.719 1 25 4.819 2.420 Yes

Notes. We note that represents the period differences, the harmonic degree, and k the radial order. The last column gives information about the pulsational stability and instability nature of the modes.

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