Emission line galaxies misclassified as planetary nebulae.
Abstract
We report about 17 candidate planetary nebulae which are shown to be galaxies by spectroscopic observations. One of them is a probable Seyfert 1 galaxy.
- Publication:
-
Astronomy and Astrophysics Supplement Series
- Pub Date:
- March 1991
- Bibcode:
- 1991A&AS...87..499A
- Keywords:
-
- Astronomical Spectroscopy;
- Emission Spectra;
- Galactic Structure;
- Planetary Nebulae;
- Astronomical Observatories;
- Dwarf Galaxies;
- H Alpha Line;
- Seyfert Galaxies;
- Spiral Galaxies;
- Astrophysics