Abstract
The solar spectrum contains one relatively unblended line λ 3131.258 Tm ii which yields a thulium abundance of log N(Tm)/N(H) + 12 = {Tm} = 0.80 ± 0.10, with the Corliss and Bozman f-value. A recent beam-foil experiment suggests that the thulium abundance may be reduced to {Tm} = 0.30.
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References
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Now at the Department of Physics, University of Queensland, Brisbane, Australia.
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Ross, J.E., Aller, L.H. The solar abundance of thulium. Sol Phys 36, 21–23 (1974). https://doi.org/10.1007/BF00151537
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DOI: https://doi.org/10.1007/BF00151537