Bibcode
Kotnik-Karuza, Dubravka; Friedjung, Michael; Exter, K.
Referencia bibliográfica
Publications of the Astronomical Society of Japan, Vol.61, No.2, pp.147--152
Fecha de publicación:
4
2009
Número de citas
3
Número de citas referidas
3
Descripción
The aim of this work is to make available unpublished non-Fe+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.