Infrared photometry of periodic comets

Details Infrared photometry of periodic comets Infrared photometry of periodic comets

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986plas.rept...92h&link_type=abstract

In NASA, Washington Reports of Planetary Astronomy, 1985 p 92-93 (SEE N87-12407 03-89)

Astronomy and Astrophysics

Astronomy

Comet Nuclei, Giacobini-Zinner Comet, Halley'S Comet, Infrared Photometry, Cosmic Dust, Light Curve, Telescopes, Thermal Mapping

Scientific paper

18 comets, ranging in helicentric distance from 1 to 5 AU were observed with the NASA IRTF. Highlights for 1985-86 include: (1)Halley was detected 1/85 and 3/85 at R = 5 and 4.5 AU; (2) Regular Halley monitoring program was set up in collaboration with IRTF staff; (3)Nucleus of Arend-Rigaux was detected, light curve observed (0.6 m amplitude at 10 microns) and radius derived (5 km); (4)Dust coma of Giacobini-Zinner was observed at time of ICE encounter; and (5)Mapping of the thermal emission spectrum simultaneously with the S/C encounters is scheduled for March 1986.

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