Physics
Scientific paper
Dec 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icar...40..350p&link_type=abstract
Icarus, vol. 40, Dec. 1979, p. 350-354.
Physics
9
Asteroids, Radar Cross Sections, Radar Measurement, Spectral Bands, Bandwidth, Doppler Effect, Frequency Shift, Power Spectra, Radar Echoes, Asteroids, 1580 Betulia Asteroid, Radar, Observations, Wavelengths, Spectrum, Bandwidths, Optical Observations, Rotation, Period, Radius, Amor Asteroids, Doppler Effect, Lightcurves, Models
Scientific paper
Radar observations of the asteroid 1580 Betulia, made at a wavelength of
12.6 cm, show a mean radar cross section of 2.2 + or- 0.8 sq km and a
total spectral bandwidth of 26.5 + or- 1.5 Hz. Combining bandwidth
measurements with the optically determined rotation period sets a lower
limit to the asteroid's radius of 2.9 + or- 0.2 km.
Campbell Don B.
Marsden Brian G.
Ostro Steven J.
Pettengill Gordon H.
Shapiro Irwin I.
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