CCD Photometry and Lightcurve Analysis of 985 Rosina and 990 Yerkes from Grup D'Astronomica de Tiana (G.A.T.) Observatory

Details CCD Photometry and Lightcurve Analysis of 985 Rosina and 990 Yerkes from Grup D'Astronomica de Tiana (G.A.T.) Observatory CCD Photometry and Lightcurve Analysis of 985 Rosina and 990 Yerkes from Grup D'Astronomica de Tiana (G.A.T.) Observatory

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010mpbu...37...42m&link_type=abstract

The Minor Planet Bulletin (ISSN 1052-8091). Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Obse

Astronomy and Astrophysics

Astronomy

Scientific paper

Two first lightcurve determination attempts were carried out from the Grup d'Astronomia de Tiana Observatory on several nights spanning from 2009 July 19 to November 10. The asteroids covered by this work are 985 Rosina, a body of known lightcurve parameters, and 990 Yerkes, a main-belt asteroid whose period had not been determined to date. We obtained a synodic period of 3.012 ± 0.001 h for 985 Rosina that matches very accurately previous lightcurve measurements. For 990 Yerkes a 24.56 ± 0.01 h period and 0.25 mag amplitude has been tentatively established by our observations.

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