Spectroscopy of the 3.4 micron emission feature in comet Halley

Details Spectroscopy of the 3.4 micron emission feature in comet Halley Spectroscopy of the 3.4 micron emission feature in comet Halley

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...311l..97b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 311, Dec. 15, 1986, p. L97-L101.

Astronomy and Astrophysics

Astrophysics

64

Astronomical Spectroscopy, Emission Spectra, Halley'S Comet, Infrared Spectra, Interstellar Matter, Molecular Interactions, Black Body Radiation, Organic Compounds, Spectral Energy Distribution

Scientific paper

Infrared spectra in the 3-5 micron region have been obtained of Comet Halley after perihelion, at heliocentric distances of 1.6 and 2.0 AU. A broad emission feature, peaking near 3.4 microns and containing some spectral substructure, was observed, while at longer wavelengths only a featureless blackbody emission spectrum was seen. The emission feature probably arises from UV-pumped infrared fluorescence of organic molecules which are either in the gas phase or are embedded in very small grains. In the former interpretation the molecules must be quite large. These results lend support to the idea that comets formed out of interstellar grains whose molecular ice mantles largely consist of nonvolatile complex organic molecules.

Affiliated with

Also associated with

No associations

Rating

Spectroscopy of the 3.4 micron emission feature in comet Halley does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Spectroscopy of the 3.4 micron emission feature in comet Halley, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spectroscopy of the 3.4 micron emission feature in comet Halley will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1121664