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Title: Oscillator strengths for Y I and Y II and the solar abundance of yttrium

Journal Article · · Astrophys. J.; (United States)
DOI:https://doi.org/10.1086/160384· OSTI ID:6792286

Oscillator strengths have been determined from measurements of radiative lifetimes and branching ratios for 154 lines of Y I and 66 lines of Y II. These data are used, together with equivalent widths measured on the Jungfraujoch solar atlas, to perform a new determination of the solar abundance of yttrium: A/sub Y/ = 2.24 +- 0.03.

Research Organization:
CSIRO Division of Chemical Physics, Victoria, Australia
OSTI ID:
6792286
Journal Information:
Astrophys. J.; (United States), Vol. 261:2
Country of Publication:
United States
Language:
English