Observations of comet Levy 1990c in the (OI) 6300-A line with an imaging Fabry-Perot

Details Observations of comet Levy 1990c in the (OI) 6300-A line with an imaging Fabry-Perot Observations of comet Levy 1990c in the (OI) 6300-A line with an imaging Fabry-Perot

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..477p&link_type=abstract

In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 477-480 (SEE N93-19113 06-90)

Physics

Comets, Fabry-Perot Interferometers, Oxygen Spectra, Amino Radical, Charge Coupled Devices, Etalons, Light Emission, Spatial Distribution

Scientific paper

We have observed the comet Levy 1990c during 16-25 August 1990 using the MPAE focal reducer system based Fabry-Perot etalon coupled with the 1 meter telescope of the Observatory of Hoher List. The free spectral range and resolution limit of the interferometer was approximately 2.18 A and approximately 0.171 A respectively. Classical Fabry-Perot fringes were recorded on a CCD in the cometary (OI) 6300 A line. They are well resolved from telluric air glow and cometary NH2 emission. Our observations indicate that the (OI) is distributed asymmetrically with respect to the center of the comet. In this paper we report the spatial distribution of (OI) emission and its line width in the coma of comet Levy.

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