Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...86..402w&link_type=abstract
Icarus (ISSN 0019-1035), vol. 86, Aug. 1990, p. 402-447.
Astronomy and Astrophysics
Astronomy
47
Asteroid Belts, Astronomical Photometry, Celestial Geodesy, Light Curve, Albedo, Infrared Radiation, Stellar Radiation, Visible Spectrum
Scientific paper
A total of 107 complete or partial lightcurves are presented for 59 different asteroids over the 1982-1989 period. Unusual lightcurves with unequal minima and maxima at large amplitudes are preferentially seen for M-type asteroids. Some asteroids, such as 16 Psyche and 201 Penelope, exhibit lightcurves combining large amplitude with very unequal brightness for both maxima and both minima, even at small phase angles. An M-type asteroid is believed to consist of a metal core of a differentiated parent body that has had its rocky mantle completely removed by one or more large impacts.
Chapman Clark R.
Davis Donald R.
Greenberg Richard
Levy David H.
Weidenschilling Stuart J.
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