Comparing Symbiotic Nebulae and Planetary Nebulae Luminosity Functions
Adam Frankowski, Noam Soker (Technion, Israel)
TL;DR
This study compares the luminosity functions of symbiotic nebulae and planetary nebulae, revealing similarities that suggest the planetary nebulae luminosity function may be more universal than previously thought.
Contribution
It provides the first detailed comparison of the luminosity functions of symbiotic nebulae and planetary nebulae, highlighting their similar cutoff luminosities and shapes.
Findings
SyN and PN luminosity functions have similar cutoff luminosities.
The [O III]/(Halpha+[N II]) line ratios are related between SyNs and PNs.
Results suggest potential universality of the PNLF.
Abstract
We compare the observed symbiotic nebulae (SyN) luminosity function (SyNLF) in the [O III] 5007A line to the planetary nebulae (PN) luminosity function (PNLF) and find that the intrinsic SyNLF (ISyNLF) of galactic SyNs has - within its uncertainty of 0.5-0.8mag - very similar cutoff luminosity and general shape to those of the PNLF. The [O III]/(Halpha+[N II]) line ratios of SyNs and PNs are shown to be also related. Possible implications of these results for the universality of the PNLF are briefly outlined.
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