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Brittnacher et al. 2001

Brittnacher, M., Kang, J., Parks, G., Elsen, R., Germany, G., Spann, J., Fox, N., Puetter, R.C. and Yahil, A. (2001). Far-ultraviolet observations of the neutral comae of comet Hale-Bopp (C/1995 01) near perihelion. Geophysical Research Letters 28: doi: 10.1029/2000GL012567. issn: 0094-8276.

The Ultraviolet Imager on the Polar spacecraft observed the neutral oxygen and carbon comae of Comet Hale-Bopp (C/1995 01) at far-ultraviolet wavelengths near perihelion on March 31 and April 2, 1997. The OI (1304) coma was circularly symmetric with a diameter of about 5 million km. The coma was smaller in the longer wavelength (1400--1600 ¿ and 1600--1800 ¿) bands, which is probably due to fluorescence of neutral carbon at 1561 ¿ and 1657 ¿. The production rate for O calculated from the observed OI (1304) flux was (9.8¿2.5)¿1030. Using this value the estimated production rate for OH was (8.9¿2.5)¿1030 and for H2O was (1.0¿0.3)¿1031. ¿ 2001 American Geophysical Union

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	Abstract

Keywords
Planetology, Comets and Small Bodies, Composition, Planetology, Comets and Small Bodies, Remote sensing, Planetology, Solar System Objects, Comets, Planetology, Solar System Objects, Extraterrestrial materials

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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