Table 4: XSTAR spectral lines prediction.

Complex
Ion Transition $\lambda_{\rm lab}$ $\tau_0(\log[\xi]\approx 3)$ $\tau_0(\log[\xi]\approx 2.8)$ $\tau_0(\log[\xi]\approx 2.1)$

Fe C1 at
Fe  XXV 1 $\rm s^2~{\rm ^1S}$- $\rm 1s2p~{\rm ^1P}$ 1.85 110 44 $\ll$10-2
$N_{\rm H}=5\times 10^{22}$ ${\rm cm}^{-2}$ Fe  XXIV 1 $\rm s^22s~{\rm ^2S}$- $\rm 1s2s2p~{\rm ^2P}$ 1.86 33 36 $\ll$10-2
  Fe  XXIII 2 $\rm s^2~{\rm ^1S}$- $\rm 1s2p~{\rm ^1P}$ 1.87 45 108 $\ll$10-2

Fe C2 at
Fe  XXII 2$\rm s^22p$- $\rm 1s2s^22p^2~{\rm ^2P}$ 1.88   42 3
$N_{\rm H}=5\times 10^{22}$ ${\rm cm}^{-2}$ Fe  XXI 2$\rm p^2$- $\rm 1s2s^22p^3~{\rm ^3S}$ 1.89   10 5
  Fe  XX 2 $\rm s^22p^3$- $\rm 1s2s^22p^4~{\rm ^4P}$ 1.91   3 18
  Fe  XIX 2 $\rm s^22p^4$- $\rm 1s2s^22p^5~{\rm ^3P}$ 1.92   0.4 26
  Fe  XVIII 2 $\rm s^22p^5$- $\rm 1s2s^22p^6~{\rm ^2S}$ 1.93   0.1 34

Two different complex of lines are predicted at different ionization states. The laboratory wavelength $\lambda_{\rm lab}$ is given in Å.

Source LaTeX | All tables | In the text