Comet Halley - OH absorption of galactic background radio sources

Details Comet Halley - OH absorption of galactic background radio sources Comet Halley - OH absorption of galactic background radio sources

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...313..906b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 313, Feb. 15, 1987, p. 906-909.

Astronomy and Astrophysics

Astronomy

4

Astronomical Spectroscopy, Halley'S Comet, Hydroxyl Radicals, Radio Sources (Astronomy), Absorption Spectra, Astronomical Maps, Background Radiation, Comet Heads, Comets, Halley, Hydroxyl Radical, Absorption, Radio Emissions, Source, Origin, Occultations, Abundance, Comae, Production Rate, Astronomy, Earth-Based Observations, Telescope Methods, Spectra, Intensity, Flux

Scientific paper

Strong OH absorption signals at 1667 MHz by comet Halley during occultation of galactic background radio sources are reported. The total content of OH in the coma in 1986 early April, when the comet made its closest approach to Earth, was 1.2×1035molecules, which implies a production rate of OH of 3.9×1029molecules s-1.

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