Astronomy and Astrophysics – Astronomy
Scientific paper
May 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985natur.315..122c&link_type=abstract
Nature (ISSN 0028-0836), vol. 315, May 9, 1985, p. 122-124.
Astronomy and Astrophysics
Astronomy
31
Albedo, Astronomical Photometry, Color, Comet Nuclei, Infrared Astronomy, Asteroids, Broadband, Comets, Halley, Color, Albedo, Nucleus, Size, Photometry, D Asteroids, Comparisons, Surface, Optical Properties, Characteristics
Scientific paper
Halley's comet (1982i) is now bright enough for broadband photometry by large infrared telescopes. The authors report here on photometry of the comet in BVJK broadband filters during a time when the coma was very weak and presumed to contribute negligibly to the broadband photometry. The V-J and J-K colours suggest that the colour of the nucleus of Halley's comet is similar to that of the D-type asteroids, which in turn suggests that the surface of the nucleus is of albedo <0.1.
Cruikshank Dale P.
Hartmann William K.
Tholen David J.
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