The planetary nebula luminosity function.

Details The planetary nebula luminosity function. The planetary nebula luminosity function.

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993rmxaa..26...35m&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, Vol. 26, p. 35 - 39

Astronomy and Astrophysics

Astronomy

Planetary Nebulae: Luminosity Function, Planetary Nebulae: Distance Scale, Clusters Of Galaxies: Distances

Scientific paper

The author discusses the planetary nebula luminosity function (PNLF) and its use for extragalactic distance determinations. After describing the essential features of the early work by Jacoby, Ciardullo, Ford and collaborators, a list of objections is given. The relevance of these objections is analyzed using a simple procedure for the numerical simulation of the PNLF. The bright end of the PNLF turns out to be affected by sample size, by population characteristics and by the extent to which stellar ionizing photons are able to escape unabsorbed by the nebula. Although the PNLF method may be less accurate than previously thought, the distances determined by Jacoby, Ciardullo et al. are not significantly affected; in particular, the PNLF method still gives a distance of 15 Mpc to the Virgo cluster.

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