Astronomy and Astrophysics – Astronomy
Scientific paper
May 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...197..266g&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 197, no. 1-2, May 1988, p. 266-270.
Astronomy and Astrophysics
Astronomy
52
Planetary Nebulae, Sky Surveys (Astronomy), Stellar Magnitude, Continuous Radiation, H Beta Line, Stellar Models, Stellar Spectrophotometry
Scientific paper
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.
Gathier R.
Pottasch Stuart R.
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