198 Ampella Radar Doppler Spectrum

Shown below is the radar Doppler spectrum of the newly detected main-belt asteroid 198 Ampella.  The two curves represent two polarizations of radio light: the strong echo at top is mostly due to smooth surfaces, while the weak one below is produced by rocks lying atop or buried just below the asteroid's surface.

This work was partially supported by National Science Foundation grant AST-9973216

For more information, contact Dr. Chris Magri

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