New colour and Zanstra temperatures for 15 central stars of planetary nebulae

Details New colour and Zanstra temperatures for 15 central stars of planetary nebulae New colour and Zanstra temperatures for 15 central stars of planetary nebulae

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.220..107d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 220, May 1, 1986, p. 107-117.

Astronomy and Astrophysics

Astronomy

28

Astronomical Spectroscopy, Planetary Nebulae, Stellar Color, Stellar Temperature, Continuous Spectra, Flux Quantization, Stellar Envelopes, Stellar Spectrophotometry, Temperature Measurement

Scientific paper

Color and Zanstra (1931) temperatures are derived from spectrophotometric data for a sample of 15 nuclei of planetary nebulae. Stars surrounded by medium excitation nebulae generally show agreement between color temperature, T(Z)(He II) and T(Z)(H I) values. In the case of low excitation nebulae without He II recombination lines, good agreement is also noted between the color temperatures and T(Z)H I. A comparison between the present measured fluxes and those of Kohoutek and Martin (1981) at common wavelengths indicates that the values presented are on average higher by 0.07 in log flux.

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