Variation of fluxes of RR Tel emission lines measured in 2000 with respect to 1996
Kotnik-Karuza, D.; Friedjung, M.; Exter, K. (2009). Variation of fluxes of RR Tel emission lines measured in 2000 with respect to 1996. Publications of the Astronomical Society of Japan 61(2): 147-152. https://dx.doi.org/10.1093/pasj/61.2.147
In: Publications of the Astronomical Society of Japan. OXFORD UNIV PRESS: Oxford. ISSN 0004-6264; e-ISSN 2053-051X, more
The aim of this work is to make available unpublished non-Fe+ emission line fluxes from optical spectra of the symbiotic nova RR Tel, which were taken in 2000, and to compare them with fluxes of the same lines from spectra taken in 1996. After leaving out blends and misidentifications, as well as the unreliable far-red and violet lines, we present the log(F2000/F1996) flux ratios for identified non-Fe+ lines. The mean values of log(F2000/F1996) for different ionization potential ranges of the ions producing the lines are shown separately for the permitted and forbidden lines. All means show fading, which is larger in the lowest range of the ionization potential. Provisional interpretations are suggested. We also measured the values of FWHM in 2000; the previously known decrease with time of the FWHM of lines due to the same ion has continued.
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