Spectroscopy of faint asteroids, satellites, and comets

Details Spectroscopy of faint asteroids, satellites, and comets Spectroscopy of faint asteroids, satellites, and comets

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85.1403d&link_type=abstract

Astronomical Journal, vol. 85, Oct. 1980, p. 1403-1412.

Astronomy and Astrophysics

Astronomy

3

Asteroids, Astronomical Spectroscopy, Comets, Natural Satellites, Orbital Elements, Spectrum Analysis, Emission Spectra, Image Tubes, Outgassing, Spectrographs, Telescopes, Planets, Satellites, Comets, Asteroids, Spectroscopy, Himalia, Elara, Jupiter, Perturbations, Spectrum, Sanguin Comet, Chernykh Comet, Arend-Rigaux Comet, West Comet, Van Biesbroeck Comet, Cyanide, Emissions, Equipment, Data, Observations, Distribution, Analysis, Meier Comet, Comparisons, Short-Period Comets, Intensity, Wavelengths, Gase

Scientific paper

Nineteen asteroids with orbital elements comparable to those of short-period comets and the outer Jovian satellites J6 Himalia and J7 Elara have been observed with the 228-cm telescope and image-tube spectrograph of Steward Observatory. No activity indicating cometary outgassing was detected. If comets are being perturbed into asteroidal orbits, then this lack of activity can be explained by an apparently short transition time between active and extinct phase. In addition, spectra of the faint comets Sanguin 1977p, Chernykh 1977l, Arend-Rigaux 1950 VII, West 1978a, and van Biesbroeck 1954 IV were obtained, showing CN(0,0) and in some cases C2(1,0) and C3 emission. Comet Arend-Rigaux was active again in the fall of 1977 and Comet West showed on May 31, 1978 a weak tail at a distance from the sun of 6.0 AU.

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