Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ycat..33750285s&link_type=abstract
VizieR On-line Data Catalog: J/A+A/375/285. Originally published in: 2001A&A...375..285S
Astronomy and Astrophysics
Astronomy
Solar System, Minor Planets, Magnitudes
Scientific paper
We present new CCD observations of nine Near-Earth Asteroids carried out between February, 1999 and July, 2000. The bulk of the data was acquired through an RC filter, while the minor planet 11405 was observed without filter. Data were obtained with the 1.23m telescope of the German-Spanish Astronomical Centre, Calar Alto; with the 0.60m telescope of the Konkoly Observatory and with the 0.28m telescope of the Szeged Observatory. We could determine synodic periods and amplitudes for 5 asteroids, 699: 3.3h, 0.18m; 1866: 2.7h, 0.12m; 1999 JD6: 7.68h, 1.2m ; 2000 GK137: 4.84h, 0.27m; 2000 NM: 9.24h, 0.30m. Based on observations taken at different phases, we could infer a phase parameter m of 0.018+/-0.005 for 1865 Cerberus. An epoch-method yielded a sideral period of 0.27024003(5) for this object with retrograde rotation. The remaining 3 objects have only partial coverage, thus no firm conclusion on their synodic period is possible. (9 data files).
Csak Balazs
Kiss Laszlo L.
Sarneczky Krisztián
Szabo Gy. M.
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