Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994icar..107..269d&link_type=abstract
Icarus, vol. 107, no. 2, p. 269-275
Astronomy and Astrophysics
Astronomy
19
Asteroids, Light Curve, Periodic Variations, Rotation, Astronomical Photometry, Collisions, Asteroids, Asteroid Belt, Lightcurve, Rotation, Earth-Based Observations, Period, Photoelectric Methods, Procedure, Data, Gerda, Meliboea, Una, Sybilla, Campania, Mathesis, Senta, Bethgea, Selinur
Scientific paper
In this paper we present the results, obtained from September 1990 to October 1991, of a collaborative program between the Torino Astronomical Observatory and the Astronomy Institute of Catania University, which started 3 years ago, devoted to the determination of the rotational properties of the asteroids, to enlarging the available data set, and to obtaining bias-free photoelectric observations of small objects. We have determined reliable synodic rotational periods for the asteroids 122 Gerda (P = 10.332H +/- 0.004H), 137 Meliboea (P = 15.28H +/- 0.02H), 160 Una (P = 5.61H +/- 0.01H), 168 Sybilla (P = 23.82H +/- 0.004H), 377 Campania (P = 8.507H +/- 0.003H), 454 Mathesis (P = 7.075H +/- 0.025H), 550 Senta (P = 20.555H +/- 0.01H), and 937 Bethgea (P = 8.356H +/- 0.006H). For 500 Selinur we obtained an estimate of about 9H of the possible spin period.
Blanco Cristina
de Sanctis G.
di Martino Mario
Riccioli D.
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