Abstract
view Abstract Citations (6) References (46) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Fabry-Perot interferometry of stellar planetary nebulae. Johnson, H. M. Abstract Results are discussed for photoelectric scans with a Fabry-Perot interferometer of 12 planetary nebulae that are linearly small and possibly in an early stage of evolution. The scans were performed around the H-alpha line at 6563 A and the forbidden O III line at 5007 A with an effective velocity resolution for point sources of about 11 km/s (FWHM). Previous radio, optical, and infrared observations of the 12 objects are reviewed. Mass motions implied by the Fabry-Perot profiles are examined, and five objects are identified which have been previously observed to show a stellar continuum. Publication: The Astrophysical Journal Pub Date: September 1977 DOI: 10.1086/155520 Bibcode: 1977ApJ...216..776J Keywords: Fabry-Perot Interferometers; Planetary Nebulae; Stellar Evolution; Stellar Mass Ejection; Stellar Motions; Astronomical Spectroscopy; Atomic Excitations; Gas Expansion; Normal Density Functions; Stellar Envelopes; Stellar Rotation; Supergiant Stars; White Dwarf Stars; Astrophysics full text sources ADS | data products SIMBAD (12)
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