Physics
Scientific paper
Nov 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984icar...60..391o&link_type=abstract
Icarus (ISSN 0019-1035), vol. 60, Nov. 1984, p. 391-403.
Physics
16
Asteroids, Light Curve, Radar Cross Sections, Backscattering, Power Spectra, Radar Echoes, Rotation
Scientific paper
Asteroid Ra-Shalom was subjected to 13-cm wavelength radar and V-filter photoelectric observations during its August-September 1981 apparition; the radar data yield echoes in the same sense of circular polarization as transmitted (SC) as well as in the opposite sense (OC). SC-to-OC echo power ratio estimates indicate that most of the backscattering is due to single reflections from surface elements that are relatively smooth at decimeter scales. The photoelectric data suggest a value of 19.79 hours for the synodic rotation period.
Campbell Don B.
Harris Alan W.
Ostro Steven J.
Shapiro Irwin I.
Young James W.
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