Emission lines in the infrared spectrum of twelve faint planetary nebulae

Details Emission lines in the infrared spectrum of twelve faint planetary nebulae Emission lines in the infrared spectrum of twelve faint planetary nebulae

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977crasb.285..263a&link_type=abstract

Academie des Sciences (Paris), Comptes Rendus, Serie B - Sciences Physiques, vol. 285, no. 11, Oct. 31, 1977, p. 263-265. In Fr

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Emission Spectra, Infrared Spectra, Line Spectra, Planetary Nebulae, Infrared Astronomy, Luminous Intensity

Scientific paper

A near-IR spectrograph was used to obtain the spectra of 12 faint
planetary nebulae with a dispersion of 230 A/mm in the 8000-11,000 A
range. All the spectra exhibit three strong emission lines: He I 10,830
A, and S III 9069 and 9532 A. Moreover, the high excitation nebulae
exhibit a very strong He II 10,123 A line.

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