Open AccessFine structure splitting of the 2s2 2p3 2P and 2D levels of O II from CCD/echelle observations of the planetary nebula IC 418
Author(s) -
E. W. Barnett,
C. D. McKeith
Publication year - 1988
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-8711
pISSN - 0035-8711
DOI - 10.1093/mnras/234.2.241
Subject(s) - physics , planetary nebula , multiplet , nebula , astrophysics , spectroscopy , electron density , ion , excitation , dispersion (optics) , electron , astronomy , spectral line , stars , optics , quantum mechanics
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