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Asteroid observations at low phase angles. I. 50 Virginia, 91 Aegina and 102 Miriam

Shevchenko, V.G. and Belskaya, I.N. and Chiorny, V.G. and Piironen, J. and Erikson, A. and Neukum, G. and Mohamed, R. (1997) Asteroid observations at low phase angles. I. 50 Virginia, 91 Aegina and 102 Miriam. Planetary and Space Science, 45 (12), pp. 1615-1623.

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Abstract

We present observations of magnitude-phase dependences of three low-albedo asteroids down to phase angles of 0.1 - 0.2 degrees. Data were obtained during 40 nights in 1994-1996 within the joint observational program at ESO and Kharkiv Astronomical Observatories with the aim to reach as low phase angles as possible. All three low-albedo asteroids may display a small nonlinear increase in magnitude-phase dependence at subdegree phase angles. The phase curves of 50 Virginia and 102 Miriam are poorly approximated by the HG function. Rotation periods of the asteroids were also determined: 14.21 +/- 0.010 hours for 50 Virginia, 6.030 +/- 0.001 hours for 91 Aegina and 15.789 +/- hours for 102 Miriam.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1999,
Title:Asteroid observations at low phase angles. I. 50 Virginia, 91 Aegina and 102 Miriam
Authors:
AuthorsInstitution or Email of Authors
Shevchenko, V.G.UNSPECIFIED
Belskaya, I.N.UNSPECIFIED
Chiorny, V.G.UNSPECIFIED
Piironen, J.UNSPECIFIED
Erikson, A.UNSPECIFIED
Neukum, G.UNSPECIFIED
Mohamed, R.UNSPECIFIED
Date:1997
Journal or Publication Title:Planetary and Space Science
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:45
Page Range:pp. 1615-1623
Status:Published
Keywords:asteroids, photometry, phase curves
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: Susanne Pieth
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 15:44

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