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Observations of the 8 December 1987 occultation of AG +40 deg 0783 by 324 BambergaThe occultation of AG+40 deg 0783 by 324 Bamberga on 8 December 1987 was observed at 13 sites in the United States, Japan, and China. At four sites the event was observed photoelectrically; the other observations were visual. A least-squares fit of a circular limb profile to the data gives a diameter of 227.6 + or - 1.9 km. However, this solution is inconsistent with a negative visual observation near the northern edge of the ground track. The inconsistency cannot be removed by assuming an elliptical profile. The data suggest that Bamberga, despite its low-amplitude lightcurve, may depart significantly from a spherical or ellipsoidal shape. The asteroid also appears to be at least 10 percent smaller than indicated by infrared radiometry.
Document ID
19890064376
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Millis, R. L.
(Lowell Observatory Flagstaff, AZ, United States)
Wasserman, L. H.
(Lowell Observatory Flagstaff, AZ, United States)
Franz, O. G.
(Lowell Observatory Flagstaff, AZ, United States)
Bowell, E.
(Lowell Observatory Flagstaff, AZ, United States)
Nye, R. A.
(Lowell Observatory Flagstaff, AZ, United States)
Thompson, D. T.
(Lowell Observatory Flagstaff, AZ, United States)
White, N. M.
(Lowell Observatory Flagstaff, AZ, United States)
Hubbard, W. B.
(Lowell Observatory Flagstaff, AZ, United States)
Eplee, R. E., Jr.
(Arizona, University Tucson, United States)
Yeomans, D. K.
(California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)
Date Acquired
August 14, 2013
Publication Date
September 1, 1989
Publication Information
Publication: Astronomical Journal
Volume: 98
ISSN: 0004-6256
Subject Category
Astronomy
Accession Number
89A51747
Funding Number(s)
CONTRACT_GRANT: NSG-7045
CONTRACT_GRANT: NSG-7114
CONTRACT_GRANT: NSG-7603
CONTRACT_GRANT: NSF AST-84-14142
Distribution Limits
Public
Copyright
Other

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