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Table 9
Atmospheric parameters obtained from the flux calibrated spectra of BD+29°3070, BD+34°1543 and Feige 87.
Parameter | BD+29°3070 | BD+34°1543 | Feige 87 |
|
|||
E(B − V) (mag) | 0.013 | 0.002 | 0.000 |
Flux ratioa | 1.353 | 1.337 | 2.252 |
MS component | |||
Teff (K) | 6026 ± 300 | 5715 ± 300 | 5675 ± 250 |
log g (dex) | 4.26 ± 0.30 | 4.11 ± 0.30 | 4.23 ± 0.35 |
[Fe/H] | 0.08 ± 0.25 | –0.37± 0.25 | –0.39 ± 0.25 |
sdB component | |||
Teff (K) | 25380 ± 990 | 36640 ± 810 | 27270 ± 500 |
log g (dex) | 5.54 ± 0.18 | 6.13 ± 0.16 | 5.47 ± 0.15 |
Heb | –2.63![]() |
–1.49 ± 0.13 | –2.56![]() |
Cb | –3.27> | –4.64> | –3.77> |
Nb | –2.79> | –3.28> | –3.69> |
Ob | –1.93> | –3.72> | –2.89> |
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