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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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.
|Title:||Asteroid observations at low phase angles. I. 50 Virginia, 91 Aegina and 102 Miriam|
|Journal or Publication Title:||Planetary and Space Science|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 1615-1623|
|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|
|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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