CCD Photometry of 6 Near-Earth Asteroids

Details CCD Photometry of 6 Near-Earth Asteroids CCD Photometry of 6 Near-Earth Asteroids

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995em%26p...71..177p&link_type=abstract

Earth, Moon, and Planets, Volume 71, Issue 3, pp.177-187

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Scientific paper

Photometric observations of 11 near-Earth asteroids were made within a regular NEA CCD photometric programme at Ondřejov Observatory in the first half of 1994. This paper shows obtained R lightcurves, V-R, R-I, and B-V color indices, and rotation preriods for 6 of them. Among the presented results, the most interesting are those for (4954) Eric, for which we obtained several high-quality lightcurves and which seems to indicate a surface heterogeneity, (1864) Daedalus, for which interesting comparison with older observations by Gehrelset al. (1971) can be made, and 1993 VW, for which the unusual color characteristics were observed. Two (1994 AW1 and 1994 GY) of the other three observed objects have fast rotations with periods of about 2.5 hours and relatively low amplitudes. Subsequent analysis of additional lightcurve data for 1994 AW1 has revealed a presence of two periods in its lightcurve (Pravecet al. 1995). The last object presented here is 1994 JF1, for which only lower limits on period and amplitude were determined.

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