NIST Atomic Spectra Database of ₽e ©he TABLE

levels

https://physics.nist.gov/cgi-bin/ASD/levels_pt.pl

lines

https://physics.nist.gov/cgi-bin/ASD/lines_pt.pl

after click on ⛛ tiangel arrives (upp where to click)

https://physics.nist.gov/cgi-bin/ASD/lines1.pl?holdings=1&spectra=V_XIV