Forbidden lines of four and five times ionized iron and nickel in the spectra of RR Telescopii and Eta Carinae

Details Forbidden lines of four and five times ionized iron and nickel in the spectra of RR Telescopii and Eta Carinae Forbidden lines of four and five times ionized iron and nickel in the spectra of RR Telescopii and Eta Carinae

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...243..217r&link_type=abstract

Astrophysical Journal, Part 1, vol. 243, Jan. 1, 1981, p. 217-222.

Astronomy and Astrophysics

Astrophysics

4

Emission Spectra, Forbidden Transitions, Iron, Metal Ions, Nebulae, Nickel, Stellar Spectra, Forbidden Bands, Line Spectra, Magnetic Dipoles

Scientific paper

As a result of a new laboratory analysis of the spectrum of five times ionized nickel (Ni VI), some unclassified lines in the emission spectrum of the nova-like variable RR Tel have been identified as forbidden transitions of this ion. Comparisons between the spectra of RR Tel and of Eta Car have resulted in the possible identification of forbidden lines of Fe V, VI and Ni V and VI in the spectrum of Eta Car. Such high ionization stages have not previously been identified in this object.

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