Open Access3D photoionization structure and distances of Planetary Nebulae III. NGC 6781
Author(s) -
Hugo E. Schwarz,
H. Monteiro
Publication year - 2008
Publication title -
exacta
Language(s) - English
Resource type - Journals
eISSN - 1983-9308
pISSN - 1678-5428
DOI - 10.5585/exacta.v4i2.756
Subject(s) - planetary nebula , photoionization , physics , astrophysics , astronomy , ionization , stars , ion , quantum mechanics
.