Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986plas.rept...82c&link_type=abstract
In NASA, Washington Reports of Planetary Astronomy, 1985 p 82-84 (SEE N87-12407 03-89)
Astronomy and Astrophysics
Astronomy
Celestial Geodesy, Halley'S Comet, Planetary Composition, Stellar Spectrophotometry, Asteroids, Charge Coupled Devices, Light Curve, Planetary Evolution
Scientific paper
Comets were studied during their relatively quiescent phases at large distances from the sun. This program, has resulted in a variety of CCD images of comets in several visible and near-IR bands selected to sample the continuum, rather than emission features. The most extensive dataset was obtained for P/Halley during January 1985 (plus scattered earlier data), near the time the comet turned on. The data were reduced in a preliminary fashion. Other comets predicted to be relatively inactive (including Neujmin 1 and Arend-Rigaux) were most active than expected. P/Gehrels 3 was also observed.
Chapman Clark R.
Davis Donald R.
Greenberg Richard
Hartmann William K.
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