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Table 3

Apparent fundamental parameters deduced according to several assumptions about the structure of gravity darkened atmospheres.

K K
log gpnrc = 4.0 dex log gpnrc = 4.0 dex
Veq = 376 km s-1 Veq = 476 km s-1


i Model W4471 W4481 log gapp (Vsini)app W4471 W4481 log gapp (Vsini)app


Å Å K dex He Mg Å Å K dex He Mg

(a) 0.535 0.322 12 850 4.10 174 171 1.273 0.161 22 000 3.81 225 212
30° (b) 0.523 0.330 12 770 4.24 199 212 1.440 0.167 22 000 4.07 260 264
(c) 0.501 0.349 12 620 4.56 152 181 1.265 0.176 20 830 3.71 223 239
(a) 0.472 0.311 12 410 3.65 274 278 1.138 0.153 22 210 3.62 348 348
60° (b) 0.483 0.325 12 490 3.98 311 334 1.382 0.163 22 050 3.99 411 414
(c) 0.388 0.355 11 730 4.22 231 293 1.148 0.178 20 370 3.48 351 384
(a) 0.380 0.296 11 640 2.73 289 301 0.974 0.143 22 250 3.35 374 379
90° (b) 0.416 0.318 12 020 3.60 332 363 1.313 0.159 22 340 3.90 446 450
(c) 0.251 0.364 9 720 3.32 234 314 1.009 0.180 18 580 3.20 375 415

Notes. (a) GD models with uniform radiation source function; (b) no GD but θ-dependent effective gravity; (c) the classical von Zeipel GD. W4471 and W4481 are the equivalent widths of the He i 4471 and Mg ii 4481 lines, respectively.

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