O VI Recombination Lines in Ultraviolet and Visible Spectra of RR Telescopii

Details O VI Recombination Lines in Ultraviolet and Visible Spectra of RR Telescopii O VI Recombination Lines in Ultraviolet and Visible Spectra of RR Telescopii

Apr 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012apj...749....1y&link_type=abstract

The Astrophysical Journal, Volume 749, Issue 1, article id. 1 (2012).

Astronomy and Astrophysics

Astronomy

Binaries: Symbiotic, Line: Identification, Stars: Individual: Rr Telescopii, Ultraviolet: Stars

Scientific paper

Nineteen recombination lines of O VI are identified in ultraviolet and visible spectra of the symbiotic nova RR Telescopii at wavelengths between 1122 and 6203 Å. Only three of the lines have previously been reported from astronomical spectra, and eight lines have never been reported from either astronomical or laboratory spectra. The lines represent transitions between levels with principal quantum numbers up to 13, and the strongest lines by flux occur at 1124.82, 2070.90, and 3434.66 Å, corresponding to transitions 4-5, 5-6, and 6-7. As the lines are produced by recombination onto O VII, they potentially allow O VII emitting regions in astrophysical plasmas to be probed at ultraviolet and visible wavelengths that otherwise can only be studied at X-ray wavelengths.

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