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Table 4:

Results of models of different masses computed with HHeB.

$M/M_\odot$
$\log_{10}L/L_\odot$ $\log_{10} p$ $\log_{10}\vert\dot p\vert$ $\Delta t$
4.0 2.440 0.0010 (+)0.6165 0.0703
6.0 2.953 0.4391 (+)0.7586 0.0078
  3.205 0.6688 (-)0.2638 0.1845
  3.248 0.6874 (+)0.0298 0.1115
  3.272 0.7239 (-)0.2278 0.0950
  3.251 0.6874 (+)0.0895 0.1605
8.0 3.395 0.7783 (+)1.622 0.0035
  3.674 1.055 (-)1.186 0.0172
  3.687 1.043 (+)1.408 0.0137
  3.775 1.127 (-)1.621 0.0085
  3.536 0.9000 (+)1.730 0.0031
10.0 3.733 1.051 (+)2.232 0.0017
  4.031 1.344 (-)2.187 0.0046
  3.791 1.099 (+)2.354 0.0011

Notes. Columns 2 and 3 respectively provide the logarithms of the mean luminosity and period calculated by considering independently (1) the first section of the evolutionary track where the period increases monotonously when crossing the instability strip and (2) the section where the period decreases and so forth. Column 4 provides the rate of the period change $\dot p={\rm d}p/{\rm d}t$ (in seconds per year) and its sign is denoted by ``+'' or ``-''. Column 5 gives the duration of the crossings $\Delta t$ (in Myr).


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