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BibTex format

@article{Ding:2020:1538-4365/abbdf8,
author = {Ding, M and Pickering, JC},
doi = {1538-4365/abbdf8},
journal = {Astrophysical Journal Supplement Series},
pages = {1--7},
title = {Measurements of the hyperfine structure of atomic energy levels in Co ii},
url = {http://dx.doi.org/10.3847/1538-4365/abbdf8},
volume = {251},
year = {2020}
}

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TY  - JOUR
AB  - Analysis of hyperfine structure constants of singly ionized cobalt (Co II) were performed on cobalt spectra measured by Fourier transform spectrometers in the region 3000–63,000 cm−1 (33333 – 1587 Å). Fits to over 700 spectral lines led to measurements of 292 magnetic dipole hyperfine interaction A constants, with values between −32.5 mK and 59.5 mK (1 mK = 0.001 cm−1). Uncertainties of 255 A constants were between ±0.4 mK and ±3.0 mK, the remaining 37 ranged up to ±7 mK. The electric quadrupole hyperfine interaction B constant could be estimated for only one energy level. The number of Co II levels with known A values has now increased tenfold, improving and enabling the wider, more reliable, and accurate application of Co II in astronomical chemical abundance analyses.
AU  - Ding,M
AU  - Pickering,JC
DO  - 1538-4365/abbdf8
EP  - 7
PY  - 2020///
SN  - 0067-0049
SP  - 1
TI  - Measurements of the hyperfine structure of atomic energy levels in Co ii
T2  - Astrophysical Journal Supplement Series
UR  - http://dx.doi.org/10.3847/1538-4365/abbdf8
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000594982800001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://iopscience.iop.org/article/10.3847/1538-4365/abbdf8
UR  - http://hdl.handle.net/10044/1/95550
VL  - 251
ER  -

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Professor Juliet C Pickering

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