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Record Details

Record 56 of 1457
Radiometric observations of the nucleus of Comet Halley
Author and Affiliation:
Delamere, W. A.(Ball Aerospace Systems Div., Boulder, CO, United States)
Reitsema, H. J.(Ball Aerospace Systems Div., Boulder, CO, United States)
Huebner, W. F.(Ball Aerospace Systems Div., Boulder, CO, United States)
Schmidt, H. U.(Ball Aerospace Systems Div., Boulder, CO, United States)
Keller, H. U.(Ball Aerospace Systems Div., Boulder, CO, United States)
Schmidt, W. K. H.(Ball Aerospace Systems Div., Boulder, CO, United States)
Wilhelm, K.(Ball Aerospace Systems Div., Boulder, CO, United States)
Whipple, Fred L.(Smithsonian Astrophysical Observatory, Cambridge, Mass., United States)
Abstract: Images obtained by the Halley multicolor camera (HMC) were used to determine the surface brightness of the nucleus. Radiometric values of jet-free areas of the surface are presented and a range of possible surface brightness values are derived. These direct measures are compared with brightnesses derived from the size of the nucleus, as determined from HMC images, and ground-based observations obtained before the onset of coma activity.
Publication Date: Dec 01, 1986
Document ID:
19870016533
(Acquired Nov 04, 1995)
Accession Number: 87N25966
Subject Category: ASTROPHYSICS
Document Type: Technical Report
Publication Information: ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 2: Dust and Nucleus; p 355-357
Publisher Information: United States
Contract/Grant/Task Num: NASW-3573
Financial Sponsor: NASA; United States
Organization Source: Ball Aerospace Systems Div.; Boulder, CO, United States
Description: 3p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution within the U.S. granted by agreement
NASA Terms: BRIGHTNESS DISTRIBUTION; COMET NUCLEI; GIOTTO MISSION; HALLEY'S COMET; RADIOMETERS; RADIOMETRIC CORRECTION; REFLECTANCE; REMOTE SENSING
Imprint And Other Notes: In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 2: Dust and Nucleus p 355-357 (SEE N87-25908 19-90)
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