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Table 5
Light-curve solution and absolute parameters of LY Aur.
| Inclination [deg] | 87.7 | |
| Mass ratio M2/M1 | 0.550 | |
| Luminosity ratio (V) | 0.51 | |
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| Primary | Secondary | |
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| Teff [K] | 31 000a | 31 150 |
| Fract. radii | 0.448 | 0.351 |
| Masses [M⊙] | 25.5 | 14.0 |
| Radii [R⊙] | 16.1 | 12.6 |
| log L/L⊙ | 5.33 | 5.13 |
| log g [cgs] | 3.425 | 3.378 |
| Rot. velocities [km s-1] | 194 | 152 |
| Synchronous rot. vel. [km s-1] | 204 | 160 |
| M V | −5.62 | −5.11 |
Notes.
(a)
Average of Tobservational and Tspectroscopic for O9 II according to Martins et al. (2005).
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