Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26as..101..499s&link_type=abstract
Astronomy and Astrophysics Supplement, Vol.101, No. 3, p. 507, 1993
Astronomy and Astrophysics
Astrophysics
10
Scientific paper
. - Photoelectric photometry of four mainbelt asteroids and the Apollo asteroid 1866 Sisyphus was carried out with the 50 cm ESO and the 60 cm Bochum telescopes at ESO. La Silla, Chile. Rotation periods for 323 Brucia (9.46h +/- 0.01), 350 Ornamenta (9.17h +/- 0.01), 582 Olympia (36.0h +/- 0.1), 1021 Flammario (12.14h +/- 0.01) and 1866 Sisyphus (2.400h +/- 0.003) are determined for the first time. Composite lightcurves are presented, and mean UBVS colours and reduced magnitudes are given. Asteroid 1866 Sisyphus is extremely fast spinning, whereas 582 Olympia is very slowly rotating. Key words: minor planets, photometry - lightcurves
Erikson Anders
Hahn Gerhard
Lagerkvist Claes-Ingvar
Oja T.
Schober Hans Josef
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