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A Search for Planetary Nebulae in M 33 and M 81

Published online by Cambridge University Press:  26 May 2016

Laura Magrini ,
Mario Perinotto ,
Romano L.M. Corradi  and
Antonio Mampaso
Laura Magrini
Affiliation:
Dipartimento di Astronomia e Scienza dello Spazio, Largo E. Fermi, 2 50125 Firenze, Italia
Mario Perinotto
Affiliation:
Dipartimento di Astronomia e Scienza dello Spazio, Largo E. Fermi, 2 50125 Firenze, Italia
Romano L.M. Corradi
Affiliation:
Isaac Newton Group of Telescopes, Apartado de Correos 321, 38700 Santa Cruz de La Palma, Canarias, Spain
Antonio Mampaso
Affiliation:
Instituto de Astrofísica de Canarias, c. Vía Láctea s/n, 38200, La Laguna, Tenerife, Canarias, Spain

Abstract

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We present a study of the PNe systems of two nearby galaxies: the spirals M 33 and M 81. The luminosity functions (PNLFs) for the two PNe systems were built and the distances to both galaxies were given (0.84 ± 0.09 Mpc to M 33 and 3.84 ± 0.41 Mpc to M 81). The behavior of PNe excitation was examined across both galaxies, finding no evidence for substantial differences in excitation between bulge and disk PNe, nor for variations along the galaxian disks.

Type
Part VIII: Planetary Nebulae as Galaxy Probes
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 559 - 560
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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