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Photoelectric and CCD Photometry of 951 Gaspra

Blanco, C. and Di Martino, M. and Ferreri, W. and Gonao, M. and Mottola, S. and Neukum, G. (1991) Photoelectric and CCD Photometry of 951 Gaspra. Advances in Space Research, 12, pp. 193-196.

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Abstract

The asteroid 951 Gaspra is a fly-by target for the Galileo space mission. The encounter, planned for October 1991, will represent the first possibility to show an asteroid in close-up. In preparation to this close encounter an earth-based international observing campaign started in 1988 with the goal to provide a substantial data base on the photometric and rotational properties of this object. This will allow on one side to support and optimize the planning of the fly-by and, on the other side, to verify the accuracy of current models for the determination of shapes, surface textures, spin axis orientation and composition. In this paper we present the composite light curve of 951 Gaspra obtained from photoelectric and CCD observations, carried out during the 1990 apparition at the observatories of Asiago, Catania and Loiano (Italy). We have determined the siderial rotational period, the prograde sense of rotation, the H and G parameters and the B-V and V-R color indices.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1991,
Title:Photoelectric and CCD Photometry of 951 Gaspra
Authors:
AuthorsInstitution or Email of Authors
Blanco, C.Istituto di Astronomia, Università di Catania, Catania, Italy
Di Martino, M.Osservatorio Astronomico di Torino, Pino Torinese, Italy
Ferreri, W.Osservatorio Astronomico di Torino
Gonao, M.UNSPECIFIED
Mottola, S.UNSPECIFIED
Neukum, G.UNSPECIFIED
Date:1991
Journal or Publication Title:Advances in Space Research
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:12
Page Range:pp. 193-196
Status:Published
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Institut für Planetenerkundung
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 09:45

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