Free Access
 

 

Table 2:

Abundances in the atmosphere of $\alpha $ Cir with the error estimates based on n measured lines. Abundances derived in our study are compared with those reported by Kupka et al. (1996) and BNC08. The solar abundances are from Asplund et al. (2005).
Ion Kupka et al. (1996) BNC08 This paper Sun
  $\log (El/N_{\rm tot})$ $\log (El/N_{\rm tot})$ $\log (El/N_{\rm tot})$ n with HFS n $\log (El/N_{\rm tot})$
C I -4.00 -3.60 -3.92$\pm $0.20 14     -3.65
N I -4.40:   -4.53$\pm $0.07 4     -4.26
O I -3.80 -3.53 $-3.58\pm0.22$ 5     -3.38
Na I -5.90 -6.08 $-5.91\pm 0.06$ 2     -5.87
Mg I   -4.52 $-4.52\pm 0.15$ 7     -4.51
Mg II -4.46:   -4.36: 1     -4.51
Al I   -5.49 -5.52: 1     -5.67
Si I -4.20 -4.67 $-4.51\pm0.20$ 15     -4.53
Si II     $-4.20\pm0.15$ 4     -4.53
S I   -4.55 $-5.01\pm0.19$ 6     -4.90
K I     -7.22: 1     -6.96
Ca I -5.15 -5.54 $-5.29\pm0.16$ 13     -5.73
Ca II     $-5.09 \pm 0.26$ 5     -5.73
Sc II -9.80 -9.41 $-9.39\pm0.19$ 7     -8.99
Ti I -6.87 -7.34 -7.33$\pm $0.19 3     -7.14
Ti II -6.87 -7.31 $-7.23\pm0.17$ 11     -7.14
V I -7.65 -7.44   -7.48: 1     -8.04
V II     $-7.41\pm0.24$ 8     -8.04
Cr I -5.55 -5.92 $-5.70\pm0.21$ 23     -6.40
Cr II -5.55 -5.91 $-5.46\pm0.35$ 21     -6.40
Mn I -6.00 -5.97 $-6.14\pm0.20$ 19    $-6.41\pm0.21$ 14 -6.65
Mn II -6.00 -5.97 $-5.98\pm0.14$ 7    $-6.20\pm0.10$ 7 -6.65
Fe I -4.50 -4.71 $-4.61\pm0.17$ 116     -4.59
Fe II -4.50 -4.62 $-4.39\pm0.17$ 30     -4.59
Co I -5.50 -5.92 $-5.93\pm0.26$ 27 $-6.35\pm0.36$ 8 -7.12
Co II -5.50   $-5.63\pm0.31$ 5     -7.12
Ni I -6.15 -6.39 $-6.51\pm0.26$ 8     -5.81
Se I     -8.40: 1     -8.71
Sr I     $-7.27\pm0.13$ 5     -9.12
Sr II -7.25   $-8.70\pm0.50$ 2     -9.12
Y I     -7.90: 1     -9.83
Y II -8.50 -8.95 $-8.65\pm0.17$ 11     -9.83
Zr II -9.00 -9.08 $-9.34\pm0.12$ 3     -9.45
Ba II -10.30 -10.57 $-10.17\pm0.13$ 2     -9.87
La II -10.32:   $-10.21\pm0.17$ 4     -10.91
Ce II -9.40 -9.72 $-9.47\pm0.18$ 11     -10.46
Ce III     -7.63: 1     -10.46
Pr II -10.40   -10.16: 1     -11.33
Pr III     $-8.49\pm0.23$ 11     -11.33
Nd II -9.30 -9.56 $-9.50\pm0.19$ 19     -10.59
Nd III   -8.53 $-7.83\pm0.26$ 22     -10.59
Sm II -9.50   $-9.66\pm0.24$ 21     -11.03
Eu II -9.40 -9.94 $-9.67\pm0.07$ 5 $-9.89\pm0.12$ 4 -11.52
Gd II -9.45   $-9.45\pm0.26$ 5     -10.93
Tb II     $-10.2 \pm 0.3$: 2     -11.76
Tb III     $-8.36\pm0.28$ 6     -11.76
Dy II -10.00   $-9.54\pm0.27$ 4     -10.90
Dy III     $-7.28\pm0.33$ 6     -10.90
Ho II     -9.20: 1 $-10.5\pm0.2$ 4 -11.53
Er II     $-9.90\pm0.29$ 5     -11.11
Er III     $-7.71\pm0.11$ 2     -11.11
Tm III     -7.85: 1     -12.04
$T_{\rm eff}$ (K) $7900\pm200$ $7420\pm170$ $7500\pm 130$ 5777
$\log g$ $4.20\pm0.15$ $4.09\pm0.08$ $4.10\pm0.15$ 4.44
$\xi_{\rm t}$ (km s-1) $1.50\pm0.15$ $1.60\pm0.15$ $1.20\pm0.20$  

Source LaTeX | All tables | In the text

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.