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Home All issues Volume 501 / No 3 (July III 2009) A&A, 501 3 (2009) 973-983 Full HTML
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Table 3:

Final stellar parameters and metallicity values derived for ONC stars1.
Star r $T_{\rm eff}$ $\log~g$ $\xi$ $v\sin i$ [Fe/H] $\pm$ $\sigma_1$ $\pm$ $\sigma_2$
    (K)   (km s-1) (km s-1) (EWs) (Spec. Synth.)
(1) (2) (3) (4) (5) (6) (7) (8)
223a $0.02 \pm 0.04$ 4450 3.8 1.6 -- $0.03\pm0.06\pm 0.07$ (18) --
268 $0.03 \pm 0.04$ 4300 3.9 1.6 $10~\pm~3$ $-0.08\pm 0.16\pm 0.09$ (25) $-0.1\pm 0.1\pm 0.1$
278 $0.8 \pm 0.07$ 4395 -- -- -- -- --
487 $0.02 \pm 0.02$ 4300 3.9 1.7 $15~\pm~3$ $-0.07\pm 0.08\pm 0.09$ (18) $0\pm 0.1\pm 0.09$
673 $ 0.04 \pm 0.03$ 4700 4.0 1.5* $20~\pm~3$ $0.0\pm 0.1\pm 0.07$ (18) $0\pm 0.1 \pm 0.08$
683 $ 0.0 \pm 0.02$ 4250 3.3 1.6 $13~\pm~3$ $0.01\pm 0.1\pm 0.08$ (22) $-0.1\pm 0.1 \pm 0.09$
907 $0.01 \pm 0.03$ 4775 4.1 1.5 $35~\pm~3$ -- $0.0\pm 0.1 \pm 0.11$
664 0** 4200 4.1 1.6 13 $\pm~3 $ -- $0.05\pm 0.1\pm 0.1$
1020 0** 4200 3.8 1.6 13 $\pm~3 $ -- $0.0\pm 0.1\pm 0.1$
VXR76A (list $_{\rm CD3}$) -- 4340 4.5 1.2 $8~\pm~3$ $0.00\pm 0.06 \pm 0.09$ (25) $0 \pm 0.1\pm 0.1$
VXR76A (list $_{\rm CD4}$) -- 4400 4.5 1.3 $8~\pm~3$ $-0.01\pm 0.08\pm 0.08$ (23) $0 \pm 0.1\pm 0.1$
* The initial microturbulence was adopted for this star, since $\xi$ could not be optimized due to the lack of lines covering a wide enough EW interval.

** r values for stars 664 and 1020 come from Palla et al. (2005).
1 In the table we list the star ID, the veiling r, adopted stellar parameters, projected rotational velocities, and the final [Fe/H] values, from the EW and synthesis analysis, along with $\sigma_1$ and $\sigma_2$ errors (see text). For [Fe/H] from EWs we also provide in parenthesis the number of employed Fe I lines.


Source LaTeX | All tables | In the text

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