The orbital elements and physical properties of the eclipsing binary BD+36°3317, a probable member of δ Lyrae cluster

E. Kıran; P. Harmanec; Ö. L. Değirmenci; M. Wolf; J. Nemravová; M. Šlechta; P. Koubský

doi:10.1051/0004-6361/201527211

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Volume 587 (March 2016)

A&A, 587 (2016) A127

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Table 4

Properties of the binary components of BD+36°3317 estimated from the comparison of the disentangled (Col. 2) and observed (Col. 3) spectra with synthetic ones (see the text for details).


Elements	Disentangled	Observed

T_eff,1 (K)	10 500 ± 340	10 400 ± 420
T_eff,2 (K)	7180 ± 850	7600 ± 880
log g₁ [cgs]	4.29 ^a	4.31 ± 0.07
log g₂ [cgs]	4.29 ^a	4.29 ± 0.04
L ₁ / L _tot	0.74 ± 0.01 ^b	0.80 ± 0.02 ^b
L ₂ / L _tot	0.26 ± 0.01 ^b	0.20 ± 0.02 ^b
v₁sini (km s^-1)	29.1 ± 1.1	–
v₂sini (km s^-1)	30.7 ± 4	–
γ₁ (km s^-1)	−18.1 ± 0.2	–
γ₂ (km s^-1)	−17.5 ± 0.6	–

Notes.

^(a)

The gravitational acceleration was fixed a value obtained from the light curve solution.

^(b)

These values represent the luminosity ratio for the studied spectral region.

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