An IRAS search for extra-solar Oort clouds

Details An IRAS search for extra-solar Oort clouds An IRAS search for extra-solar Oort clouds

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icar...91...65s&link_type=abstract

Icarus (ISSN 0019-1035), vol. 91, May 1991, p. 65-75.

Astronomy and Astrophysics

Astronomy

6

Extrasolar Planets, Oort Cloud, Sky Surveys (Astronomy), Stellar Envelopes, Comets, Infrared Astronomy Satellite, Solar System Evolution

Scientific paper

The presumptively close connection between Oort cloud formation and planetary formation is that the detection of comet clouds around other stars would imply the presence of extrasolar planetary systems. Low-resolution IRAS data and an S/N-enhancement method are presently used to search 17 nearby stars for comet cloud-indicating IR emission. While no such detections were obtained, upper limits have been set for extrasolar Oort clouds (ESOCs) around the candidate stars; the nondetections may be a results either of the absence of the ESOCs around these stars or, with greater probability, of the sensitivity and background confusion limitations of IRAS data.

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