Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...75..518l&link_type=abstract
Icarus (ISSN 0019-1035), vol. 75, Sept. 1988, p. 518-526. USAF-supported research.
Astronomy and Astrophysics
Astronomy
13
Albedo, Asteroid Belts, Astronomical Photometry, Light Curve, Reflected Waves, Near Infrared Radiation, Planetary Rotation, Radar Tracking
Scientific paper
Time-resolved thermal maxima and minima from near- and mid-IR photometry for the asteroids 532 Herculina and 45 Eugenia are noted to occur at nearly the same time as the maxima and minima in reflected light, while model lightcurves for Herculina, based on Taylor et al.'s (1987) albedo distribution, had predicted a 90-deg out-of-phase relationship. It is presently found through a comparison of model and observed lightcurves that the light variations of both Herculina and Eugenia are primarily the result of variations in shape rather than in albedo.
Greenberg Richard
Lebofsky Larry A.
Tedesco Edward F.
Veeder Glenn J. Jr.
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