Long-slit pre and postperihelion spectrography of Comet P/Halley

Details Long-slit pre and postperihelion spectrography of Comet P/Halley Long-slit pre and postperihelion spectrography of Comet P/Halley

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250a.471a&link_type=abstract

In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 1: Plasma and Gas p 471-474 (SEE N87

Astronomy and Astrophysics

Astronomy

2

Astronomical Spectroscopy, Halley'S Comet, Optical Emission Spectroscopy, Perihelions, Hydrocarbons, Hydroxyl Radicals, Space Observations (From Earth)

Scientific paper

A series of about forty long-slit spectra of Halley's comet has been secured in the optical wavelength region, using different instruments, at resolution ranging from 0.05 to 1.6 nm. The interval of heliocentric distance r covered by these observations is 1.7 to 0.9 a.u. before perihelion, while r = 0.95 a.u. after perihelion. The main characteristics of the pre-perihelion spectra are described. In particular, some emissions due to the OH+ (0,1) and CH+(1,0) bands have been detected for the first time.

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