Bistatic radar - Reflections from asteroids around pulsars

Details Bistatic radar - Reflections from asteroids around pulsars Bistatic radar - Reflections from asteroids around pulsars

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aspc...36..321p&link_type=abstract

In: Planets around pulsars; Proceedings of the Conference, California Inst. of Technology, Pasadena, Apr. 30-May 1, 1992 (A93-36

Astronomy and Astrophysics

Astronomy

3

Asteroids, Multistatic Radar, Pulsars, Radar Echoes, Radio Astronomy, Astronomical Models, Planetary Systems, Protoplanets

Scientific paper

A pulsar can be thought of as a radar which illuminates objects in its neighborhood with an intense, rotating radio beam. The radar reflection from a planetary companion would be impossible to detect from earth, but asteroids present a larger reflecting area per unit mass, and their reflection might be detectable. The reflection from a dense swarm of asteroids would be unpulsed, weakly polarized, and broadband. Observations of unpulsed flux from Vela - the strongest known pulsar - yield upper limits of about 0.0001 solar mass of asteroidlike material within 1 AU of the neutron star.

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