Lightcurves of nine asteroids, with pole and sense of rotation of 42 Isis

Details Lightcurves of nine asteroids, with pole and sense of rotation of 42 Isis Lightcurves of nine asteroids, with pole and sense of rotation of 42 Isis

Feb 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998p%26ss...46..673d&link_type=abstract

Planetary and Space Science, v. 46, p. 673-682.

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Scientific paper

The results of photometric observations of 9 asteroids collected from 1991 to 1997 are presented. The observations have been conducted at Belogradchik and Rozhen observatories, Bulgaria. For 42 Isis a spin pole determination has been performed: we derive a retrograde sense of rotation, a sidereal period of 0.5665417 +/- 0.0000005 days and two solutions for the spin vector: (P1 : λ0 = 288° +/- 5°, β0 = - 16° +/- 2° P2 : λ0 = 117° +/- 8°, β0 = - 5° +/- 4°). The rotational period of 266 Aline is estimated to be 12.3 +/- 0.1 h. Composite lightcurves have been obtained for four objects (21 Lutetia, 24 Themis, 42 Isis and 266 Aline). Other lightcurves have been obtained for the asteroids 27 Euterpe, 38 Leda, 70 Panopaea, 173 Ino and 218 Bianca.

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