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Issue A&A Volume 376, Number 3, September IV 2001 Page(s) 820 - 824 Section Extragalactic astronomy DOI 10.1051/0004-6361:20011036

A&A 376, 820-824 (2001)
DOI: 10.1051/0004-6361:20011036

Planetary nebula candidates in a southern region of M 33

L. J. Corral¹ and A. Herrero<sup>1, 2

1</sup>  Instituto de Astrofísica de Canarias, c/Vía Lactea s/n, 38205 La Laguna, Spain
    e-mail: ahd@ll.iac.es
²  Departamento de Astrofísica, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez, s/n, 38071 La Laguna, Spain

(Received 24 August 2000 / Accepted 11 July 2001)

Abstract
In a search for emission line objects made in a southern region of M 33 using narrow band filters centered on [O III], H and adjacent continua, we detect some known and new objects that can be classified as planetary nebulae candidates (PNc). This search, the deepest one made up to now in M 33, has allowed us to detect 48 PNc, from which 14 have a ratio of [O III]-to-H fluxes greater than 1. We compare our findings with a previous search and present the list and finding charts of these interesting objects.

Key words: planetary nebulae: general -- galaxies: individual: M 33

Offprint request: L. J. Corral, lcorral@ll.iac.es

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© ESO 2001

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