The relative gƒ-values of 256 lines in 58 multiplets in the spectrum of Co I have been measured in electric furnace absorption spectra. The lines lie in the wavelength range 2987–6450 A and arise from low terms whose excitation potentials are between 0.00 and 3.24 ev.
R. B. KING, B. R. PARNES, M. H. DAVIS, and K. H. OLSEN, "Relative gƒ-Values for Lines of Co I," J. Opt. Soc. Am. 45, 350-353 (1955)