Far Ultraviolet Objective Spectra of Comet p/ Halley from Sounding Rockets

Details Far Ultraviolet Objective Spectra of Comet p/ Halley from Sounding Rockets Far Ultraviolet Objective Spectra of Comet p/ Halley from Sounding Rockets

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...187..320o&link_type=abstract

Astronomy and Astrophysics, Vol.187, NO. 1+2/NOV, P. 320, 1987

Astronomy and Astrophysics

Astrophysics

3

Scientific paper

A sounding rocket payload to obtain far ultraviolet spectral images of comet P/Halley was launched on 1986 February 24 and again on 1986 March 13. The second flight occurred 13 hours prior to the Giotto spacecraft flyby of the comet. The payload included an objective grating spectrograph, consisting of an F/1.5 microchannel plate intensified electrographic Schmidt camera pointed at a plane grating. The instrument field of view was 12° with a spatial resolution of 1' and a point source wavelength resolution of 0.1 nm. High quality images of the oxygen coma at 130.4 nm, the carbon coma at 156.1 nm and 165.7 nm, and the sulphur coma at 181.4 nm were obtained. The images have been analyzed using a radial outflow model to derive production rates for these species.

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