Column Explanation Example 1 Atomic number 6 Carbon 2 Ionisation stage 2 Singly ionised 3 Wavelength (Angstroms) 4267.2 4 Oscillator strength log gf 5 Electron damping width: log Gamma_e 6 Radiative damping width: log Gamma_r 7 Van der Waal's damping width: log Gamma_r 8 Excitation energy of lower level (electron Volts) 9 Multiplet identification Moo 48, etc 10 References for 4 -- 7