The spectrum of P/Halley between 0.9 and 2.5 microns

Details The spectrum of P/Halley between 0.9 and 2.5 microns The spectrum of P/Halley between 0.9 and 2.5 microns

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250a.359m&link_type=abstract

In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 1: Plasma and Gas p 359-364 (SEE N87

Physics

1

Halley'S Comet, Infrared Spectra, Infrared Spectroscopy, Molecular Spectroscopy, Spectrum Analysis, Water

Scientific paper

High resolution Fourier Transform spectra of comet Halley have been recorded at the CFH 3.60 m telescope (Hawaii) in December 1985 and April 1986. The spectral range is 3800 - 12,000 cm-1 (0.83 to 2.6 microns) and the spectral resolution is about 10 cm-1. Bands of the CN red system have been observed at 0.9 microns and 1.1 microns. In addition, an emission feature centered at 2.44 microns has been detected. The authors tentatively identify this feature as the υ1+υ3-2υ2 band of H2O. Ground-based monitoring of this feature on future bright comets might be a direct method for measuring their H2O production rate.

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