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The diameter of 375 Ursula from its occultation of AG + 39 deg 303A value of 216 + or - 10 km for the mean diameter of Ursula is given, based on photometric measurements and observations of the occultation of AG + 39 deg 303, a K-type star of visual magnitude 8.8, by 375 Ursula on November 15, 1982. From the occultation diameter and the absolute visual magnitudes presented, the visual geometric albedo of Ursula is determined to be 0.032, similar to the value typical of C-type asteroids.
Document ID
19840048632
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/113553
Authors
Millis, R. L. (Lowell Observatory Flagstaff, AZ, United States)
Wasserman, L. H. (Lowell Observatory Flagstaff, AZ, United States)
Bowell, E. (Lowell Observatory Flagstaff, AZ, United States)
Franz, O. G. (Lowell Observatory Flagstaff, AZ, United States)
Klemola, A. (Lick Observatory Santa Cruz, CA, United States)
Dunham, D. W. (Computer Sciences Corp. International Occultation Timing Association and Systems Science Div., Silver Spring, MD, United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1984
Publication Information
Publication: Astronomical Journal
Volume: 89
ISSN: 0004-6256
Subject Category
Astronomy
Report/Patent Number
ISSN: 0004-6256
Accession Number
84A31419
Funding Number(s)
CONTRACT_GRANT: NSG-7603
CONTRACT_GRANT: NSF AST-81-12347
Distribution Limits
Public
Copyright
Other

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