On the detection of jovian companions to white dwarfs

Details On the detection of jovian companions to white dwarfs On the detection of jovian companions to white dwarfs

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979natur.279q.622f&link_type=abstract

Nature, Volume 279, Issue 5714, pp. 622 (1979).

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BRACEWELL1 has recently proposed detection of planetary companions to nearby stars by means of a spinning IR interferometer. In particular, he notes that at far IR wavelengths, the emissivity ratio of the planet to the star increases by five orders of magnitude over equivalent values in the visible. I point out here that more than another three orders of magnitude in sensitivity is gained by choosing white dwarfs as the observational objects, which may permit detection of jovian or black dwarf companions by direct photometry from a space telescope with photon-limited, far IR detectors.

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