Other
Scientific paper
Jun 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994natur.369..628l&link_type=abstract
Nature, Volume 369, Issue 6482, pp. 628-630 (1994).
Other
120
Scientific paper
IT is not yet possible to see planets orbiting other stars, although this may soon change as observing methods improve1. Indirect evidence for the presence of circumstellar dust disks out of which planets could form has been obtained for several stars, in the form of excess infrared emission, presumed to be from the hot dust2, 3. Planets orbiting in such dust disks would be expected to sweep out dust-free tracks4. Indirect evidence for dust-free regions has been reported5-9, based on an analysis of the spectral energy distribution, but the interpretation of the observation is not unique7, 9. Here we present an infrared image of the inner dust disk of the star β Pictoris with a linear resolution of 5 astronomical units (AU), equivalent to the distance from the Sun to Jupiter. We find that the dust is asymmetrically distributed and is clearly depleted within 40 AU of the star, which we interpret as indicating the possible presence of at least one planetary body orbiting β Pictoris.
Lagage Pierre Olivier
Pantin Eric
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