Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....98.7403h&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. E4, p. 7403-7407.
Astronomy and Astrophysics
Astronomy
12
Asteroids, Astronomical Photometry, Astronomical Spectroscopy, Comets, Light Curve, Solar Orbits, Solar System, Asteroids, Pholus, Photometry, Spectrometry, Lightcurve, Comparisons, Optical Properties, Amplitude, Magnitude, Period, Phase Angle, Shape, 1992Ad, Origin, Earth-Based Observations, Ccd Methods, Comets, Size, Procedure, Orbital Elements, Classification
Scientific paper
Light curve observations carried out in January and February 1992 are presented. We find an amplitude of 0.2 magnitude and a period of 0.4157 day. Fine structures of the light curve and their variability with time are discussed in terms of the changing phase angle and deviations of the object's shape from a regular ellipsoid. The present orbital and physical properties alone for 5145 Pholus do not provide a clue for either a cometary or an asteroidal origin. It seems to have properties in common with both and thus could form a bridge between these two groups.
Fink Uwe
Grundy Will M.
Hicks Michael
Hoffmann Marc
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