Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...376..820c&link_type=abstract
Astronomy and Astrophysics, v.376, p.820-824 (2001)
Astronomy and Astrophysics
Astrophysics
4
Planetary Nebulae: General, Galaxies: Individual: M 33
Scientific paper
In a search for emission line objects made in a southern region of M 33 using narrow band filters centered on [O III], Hα 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-Hα fluxes greater than 1. We compare our findings with a previous search and present the list and finding charts of these interesting objects. Figures 3 to 11 are only available in electronic form at http://www.edpsciences.org
Corral L. J.
Herrero Alicia
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