| Issue |
A&A
Volume 378, Number 1, October IV 2001
|
|
|---|---|---|
| Page(s) | L14 - L16 | |
| Section | Letters | |
| DOI | https://doi.org/10.1051/0004-6361:20011206 | |
| Published online | 15 October 2001 | |
CCD photometry of the binary asteroid 90 Antiope
1
Astronomical Observatory, A. Mickiewicz University, Słoneczna 36, 60-286 Poznań, Poland
2
Institut de Mécanique Céleste, 77 av. Denfert Rochereau, 75014 Paris, France
3
Poznań University of Technology, Poznań, Poland
Corresponding author: T. Michałowski, tmich@amu.edu.pl
Received:
23
July
2001
Accepted:
28
August
2001
Lightcurves of the binary asteroid 90 Antiope were obtained at two observatories (Borowiec and Pic du Midi) on 14 nights in September through November 2000. The synodical period was found to be 
hours and the observed amplitude of brightness variation was 0.08 mag.
This amplitude was due to the noncircular shapes of the components of the binary system rather than to mutual occultations. Some predictions of a possibility of observations of the eclipsing events during future oppositions have also been made.
Key words: techniques: photometric / minor planets, asteroids
© ESO, 2001
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