Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...281l..67l&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 281, June 15, 1984, p. L67-L69. Research supported
Astronomy and Astrophysics
Astronomy
43
Infrared Astronomy, Planetary Nebulae, Infrared Photometry, Infrared Spectra, Spectral Energy Distribution, Stellar Winds
Scientific paper
Broad-band infrared photometry and high-resolution infrared maps are presented for NGC 6302, a bipolar planetary nebula in which material is being driven outward by a powerful stellar wind. The infrared morphology is very unlike that seen optically. Maps at 1.25, 2.2, 3.4, and 10 microns show evidence for a disk of material with its short axis oriented parallel to the supersonic flow and located between the optical lobes. This structure is not optically evident partly because of the large extinction along the line of sight to the nebular core. It is suggested that the observed disk is either an expanded fossil toroid that once confined the flow, or else is stellar envelope material that was not in the path of the bipolar flow and that remains in the vicinity of the stellar remnant.
Dinerstein Harriet L.
Lester Dan F.
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