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Table 1

Number of retrieved lines, retrieval origin, retrieval date and available atomic data per repository.

Repository Origin No. lines Date Ion λ Aki fik log(gf) E J
BRASS 82 337 2012b
SpectroWeb 62 181 2008b f
VALD3 VALD 158 861 2016-05-26
NIST NIST 36 123 2016-03-14 c
Spectr-W3 VAMDC 5515 2016-03-14
TIPbasea NORAD 33 108 2017-02-28 g
TOPbasea VAMDC 33 462 2016-05-24 e g
CHIANTI VAMDC 3587 2016-03-18 d e f

Notes. Wavelengths are in ångströms and energy in electron volts, eV. i and k indexes lower and upper states, respectively. (a) Data retrieved without wavelength restrictions and transitions are calculated without fine structure. (b) Compiled from multiple sources over several months. (c) Observed and Ritz wavelengths. (d) Vacuum wavelengths. (e) Provided as gf not log (gf). (f) Energy in cm−1. (g) Energy in Ry.

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