Nebular and auroral forbidden transitions of AR IV in some planetary nebulae

Details Nebular and auroral forbidden transitions of AR IV in some planetary nebulae Nebular and auroral forbidden transitions of AR IV in some planetary nebulae

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...241..719c&link_type=abstract

Astrophysical Journal, Part 1, vol. 241, Oct. 15, 1980, p. 719-724.

Astronomy and Astrophysics

Astrophysics

19

Argon, Auroral Spectroscopy, Forbidden Transitions, Planetary Nebulae, Absorption Spectra, Electron Orbitals, Oxygen Spectra, Scattering Cross Sections, Transition Probabilities

Scientific paper

Measurements of auroral and nebular type transitions in several planetary nebulae of high surface brightness show that currently available collisional cross sections and transition probabilities for 3p(3) configurations in Ar(3+) may be in error. The observed auroral/nebular line ratio is always larger than the predicted value, and the disagreement is further aggravated if auroral lines are weakened by telluric line absorption.

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