Open AccessThe Spectrum of the Nonthermal Planetary Nebula NGC 3242.
Author(s) -
S. J. Czyzak,
J. B. Kaler,
D. J. Faulkner,
L. H. Aller
Publication year - 1965
Publication title -
the astronomical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.61
H-Index - 271
eISSN - 1538-3881
pISSN - 0004-6256
DOI - 10.1086/109615
Subject(s) - physics , planetary nebula , brightness , astrophysics , nebula , surface brightness , doubly ionized oxygen , emission nebula , line (geometry) , excitation , radiation , astronomy , balmer series , emission spectrum , electron , spectral line , optics , galaxy , stars , geometry , mathematics , quantum mechanics