Molecular hydrogen observations of southern planetary nebulae

Details Molecular hydrogen observations of southern planetary nebulae Molecular hydrogen observations of southern planetary nebulae

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.206..521s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 206, Feb. 1, 1984, p. 521-527.

Astronomy and Astrophysics

Astronomy

65

Astronomical Spectroscopy, Hydrogen Clouds, Molecular Clouds, Planetary Nebulae, Emission Spectra, Spatial Distribution

Scientific paper

Molecular hydrogen emission at 2 μm has been detected in five out of fifteen planetary nebulae surveyed. Each of the sources detected is spatially extended, and presents a new opportunity to study the distribution of shocked molecular gas. A map of the nebula NGC 3132 in the S(1) line of H2 shows that the emission is in the form of a shell just outside the brightest optical regions. IC 4406 has been mapped in both H2 and Brackett γ, and appears to consist of a cylinder of hot molecular gas surrounding the ionized material.

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