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- W106589191 abstract "Abstract Until now, [O III] λ5007 surveys of extragalactic planetary nebulae (PN) have been aimed at determining distances and identifying test particles for future (cinematica] studies. However, PN observations are useful in another area of astrophysics - the investigation of stellar populations. Because the production rate of [O III] bright PN in a galaxy can vary by an order of magnitude, this number is potentially a powerful discriminant between age and metallicity in an evolved stellar population. A strong inverse correlation exists between galaxy absolute magnitude and bolometric luminosity-specific PN density (α 2.5 ), with the small metal-poor ellipticals having values of α 2.5 in exact accordance with the predictions of stellar evolution theory. This correlation, along with the direct dependence of α 2.5 on galactocentric radius, and the scatter in α 2.5 seen in “young” galaxies, argues strongly that elliptical galaxies are old systems which follow a metallicity sequence. It also suggests that the combination of absorption line spectroscopy, UV photometry, and PN measurements can be a powerful probe of elliptical galaxy stellar populations." @default.
- W106589191 created "2016-06-24" @default.
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- W106589191 date "1995-01-01" @default.
- W106589191 modified "2023-10-16" @default.
- W106589191 title "Planetary Nebula Luminosity Functions and Prospects for the Future" @default.
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- W106589191 doi "https://doi.org/10.1017/s1539299600011904" @default.
- W106589191 hasPublicationYear "1995" @default.
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