Magnitudes of central stars of planetary nebulae.
Abstract
Magnitudes have been measured for 44, mostly faint central stars of planetary nebulae by imaging the star and nebula on a CCD detector. The nebular lines are suppressed by using a continuum filter. The remaining nebular continuum is then subtracted as background as long as the star can be clearly seen. This is true in 41 of 44 cases observed. Zanstra temperatures are calculated from the observed magnitudes, and discussed.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- May 1988
- Bibcode:
- 1988A&A...197..266G
- Keywords:
-
- Planetary Nebulae;
- Sky Surveys (Astronomy);
- Stellar Magnitude;
- Continuous Radiation;
- H Beta Line;
- Stellar Models;
- Stellar Spectrophotometry;
- Astrophysics