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Abstract
The first photometric observations of the near-Earth asteroid 1998 ST49 and the main belt asteroids (13154) and (27529) are reported. The synodic rotation periods and amplitudes of the lightcurves are:
− 2.3017 h, 0.11 mag for 1998 ST49;
− 2.98502 h, 0.18 mag for (13154);
− 4.1290 h, 0.51 mag for (27529).
The periods for the first two asteroids are unambiguous, while the period of 4.1570 h is not ruled out for the third asteroid. Despite fast rotations, none of the presented asteroids exhibited any sign of binarity. Lightcurves were obtained at Modra Observatory.
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Acknowledgements
I am greatly indebted to P. Pravec, Ondřejov Observatory, AV ČR, for his valuable practical advice and software that speed up data processing. I am also grateful to A. Cellino for his recommendations how to improve the submitted text. This work has been supported by the Slovak Grant Agency for Science VEGA, Grant 1/3074/06, and Grant Agency of the Czech Republic Grant 205/05/0604.
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Department of Astronomy, Physics of the Earth, and Meteorology, FMPI, Comenius University, 842 48, Bratislava, Slovakia
A. Galád
Astronomical Institute, AS Č2, CZ-25165, Ondřejov, Czech Republic
A. Galád
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Correspondence toA. Galád.
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Galád, A. Lightcurves and Synodic Periods for Asteroids 1998 ST49, (13154) and (27529).Earth Moon Planet100, 77–82 (2007). https://doi.org/10.1007/s11038-006-9099-1
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