Comet Sugano-Saigusa-Fujikawa (1983V) - A small, puzzling comet

Spectroscopic and infrared observations of Comet Sugano-Saigusa-Fujikawa (1983V) were obtained during its close approach to the earth on June 11-14, 1983. The forbidden O I production rates of 1.8 + or - 0.9 x 10 to the 26th atoms/s observed on June 12.3 and 7 + or - 3.5 x 10 to the 26th atoms/s on...

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Veröffentlicht in:Astron. J.; (United States) 1987-10, Vol.94 (4), p.1081-1087
Hauptverfasser: Hanner, M. S., Newburn, R. L., Veeder, G. J., Spinrad, H.
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Newburn, R. L.
Veeder, G. J.
Spinrad, H.
description Spectroscopic and infrared observations of Comet Sugano-Saigusa-Fujikawa (1983V) were obtained during its close approach to the earth on June 11-14, 1983. The forbidden O I production rates of 1.8 + or - 0.9 x 10 to the 26th atoms/s observed on June 12.3 and 7 + or - 3.5 x 10 to the 26th atoms/s on June 13.4 lead to derived water-production rates of 3 x 10 to the 27th mol/s on June 12 and 1.1 x 10 to the 28th mol/s on June 13. The abundances of the minor species NH2, CN, C2, and C3 are unusually low relative to forbidden O I. The upper limit to the average nuclear radius from infrared and visual photometry on June 12-13 (assuming that the entire signal came from the nucleus) is about 370 m. The dust/gas mass ratio was less than 0.01 on June 12 and less than 0.005 on June 13.
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source MEDLINE; NASA Technical Reports Server; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection
subjects 640107 - Astrophysics & Cosmology- Planetary Phenomena
Astronomical Phenomena
Astronomy
Astrophysics
Carbon
CHEMICAL COMPOSITION
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COMETS
COSMIC DUST
Cosmic Dust - analysis
COSMIC GASES
DUSTS
FLUIDS
GASES
HYDROGEN COMPOUNDS
INFRARED SPECTRA
INTERPLANETARY SPACE
MASS
Meteoroids
Models, Theoretical
Nitrogen Compounds
Oxygen
OXYGEN COMPOUNDS
SPACE
Space life sciences
SPECTRA
Spectrophotometry, Infrared
WATER
title Comet Sugano-Saigusa-Fujikawa (1983V) - A small, puzzling comet
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