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Table 2

Stellar models in agreement with the observational properties of HD 180642.

Mass Z αov X Teff Log g Log (L/L) R Age Xc
(M) (K) (cgs) (R) (108 yr)

11.4 0.018 0.00 0.68 24520 3.829 4.177 6.80 0.1243 0.209
11.6 0.018 0.05 0.68 24880 3.832 4.206 6.84 0.1220 0.233
11.7 0.018 0.05 0.68 25000 3.834 4.217 6.86 0.1200 0.235
11.7 0.018 0.05 0.70 24550 3.834 4.186 6.86 0.1296 0.246
11.8 0.018 0.05 0.70 24670 3.835 4.197 6.88 0.1275 0.248

10.5 0.014 0.05 0.68 23880 3.814 4.111 6.64 0.1482 0.182
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.0 0.018 0.05 0.72 24460 3.837 4.187 6.91 0.1332 0.262

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