Table 5: Coronae with lowest measured f/i ratios (oxygen: f/i <2.2, neon: f/i <2.0). (H = HEG, M = MEG); for neon the predicted blending is taken into account (Sect. 4.3)
    O  VII Ne  IX
Star Instr. f/i log($n_{\rm e}$) f/i log($n_{\rm e}$)
      [cm-3]   [cm-3]
44 Boo M $ 1.69~\pm~0.42$ $10.6~\pm~0.19$ $ 2.89~\pm~0.39$ $11.0~\pm~0.50$
  H - - 2.42 $\pm$  0.47 $11.4~\pm~0.32$
Algol M $ 0.69~\pm~0.19$ $10.9~\pm~0.29$ $ 1.89~\pm~0.22$ $11.7~\pm~0.11$
  H - - 1.68 $\pm$  0.39 $11.8~\pm~0.19$
EV Lac M $ 1.52~\pm~0.33$ $10.7~\pm~0.15$ $ 2.92~\pm~0.41$ $11.0~\pm~0.60$
  H - - 3.32 $\pm$  0.73 <11.5
II Peg M $ 1.49~\pm~0.40$ $10.7~\pm~0.20$ $ 2.75~\pm~0.41$ $11.2~\pm~0.40$
  H - - 2.70 $\pm$  0.66 $11.2~\pm~0.83$
$\mu$ Vel M $ 7.24~\pm~5.24$ <11.5 $ 1.50~\pm~0.31$ $11.8~\pm~0.16$
  H - - 1.57 $\pm$  0.40 $11.8~\pm~0.21$
$\sigma^2$ CrB M $ 2.07~\pm~0.39$ $10.4~\pm~0.17$ $ 2.03~\pm~0.17$ $11.6~\pm~0.08$
  H - - 1.87 $\pm$  0.22 $11.7~\pm~0.11$
TY Pyx M $ 1.29~\pm~0.76$ $10.8~\pm~0.49$ $ 3.53~\pm~0.89$ <12.2
  H - - 2.95 $\pm$  1.29 <12.0
V824 Ara M $ 1.51~\pm~0.46$ $10.7~\pm~0.23$ $ 2.24~\pm~0.25$ $11.5~\pm~0.13$
  H - - 2.75 $\pm$  0.54 $11.2~\pm~0.63$

Source LaTeX | All tables | In the text