Orientation of planetary nebulae within the Galaxy

Bibcode
1998MNRAS.297..617C
DOI
10.1046/j.1365-8711.1998.01532.x
Corradi, Romano L. M.; Aznar, Regina; Mampaso, Antonio
Bibliographical reference

Monthly Notices of the Royal Astronomical Society, Volume 297, Issue 2, pp. 617-623.

Advertised on:
6
1998
Journal
Monthly Notices of the Royal Astronomical Society
Number of authors
3
IAC number of authors
3
Citations
40
Refereed citations
32
Description
Narrow-band CCD images of 209 axially symmetrical planetary nebulae (PNe) have been examined in order to determine the orientation of their axes within the disc of the Galaxy. The nebulae have been divided into the bipolar (B) and elliptical (E) PNe morphological types, according to the scheme of Corradi & Schwarz. In both classes, contrary to the results of Melnick & Harwit and Phillips we do not find any strong evidence for non-random orientations of the nebulae in the Galaxy. Compared with previous work in this field, the present study takes advantage of the use of larger and morphologically more homogeneous samples and offers a more rigorous statistical analysis.
Type
Refereed
Planetary nebulae

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