Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...300..521j&link_type=abstract
Astronomy and Astrophysics, v.300, p.521
Astronomy and Astrophysics
Astrophysics
11
Atomic Processes, Line: Identification, Radiation Mechanisms: Non-Thermal, Stars: Individual: {Eta} Car
Scientific paper
Five emission lines in the wavelength region 6122-6132 A in the spectrum of η Carinae are identified as the 4d ^5^D-4f ^5^F multiplet of Mn^44^Sc II. These are the only high-excitation lines of Mn^44^Sc II present in the spectrum. The upper levels of the multiplet are most likely populated through photoexcitation by an accidental coincidence in wavelength between the ultraviolet multiplets UV 15 of Mn^44^Sc II and UV 5 of Si^44^Sc II. Improved laboratory wavelengths for the Mn^44^Sc II lines are presented.
Gilroy Kalpana Krishnaswamy
Johansson Sara
Joueizadeh A. A.
Wallerstein George
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