Spectroscopy of Planetary Nebulae in NGC 185, NGC 205, and M32

Details Spectroscopy of Planetary Nebulae in NGC 185, NGC 205, and M32 Spectroscopy of Planetary Nebulae in NGC 185, NGC 205, and M32

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002rmxac..12..173r&link_type=abstract

Ionized Gaseous Nebulae, a Conference to Celebrate the 60th Birthdays of Silvia Torres-Peimbert and Manuel Peimbert, Mexico City

Astronomy and Astrophysics

Astronomy

2

Circumstellar Matter, Dust, Extinction, Methods: Numerical, Planetary Nebulae: Individual (V605 Aql)

Scientific paper

We have obtained new spectroscopic observations of planetary nebulae in the elliptical galaxy M32 and in the dwarf spheroidal galaxies NGC 185 and NGC 205 using the Multi-Object Spectrograph at the Canada-France-Hawaii Telescope. Our new data includes 14 planetary nebulae in M32, 13 in NGC 205, and all 5 cataloged in NGC 185. Almost all of these planetary nebulae are bright, within the first 2 mag of the planetary nebula luminosity function. We find that the planetary nebulae in M32, NGC 185, and NGC 205 have properties intermediate between those found for the planetary nebulae in M31 and the Large Magellanic Cloud (LMC). These new data support the suggestion that the chemical evolution of elliptical and dwarf spheroidal galaxies is regulated by supernova-driven galactic winds (Richer et al. 1998).

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