Detectability of Debris Disks Around Red Dwarfs at Submillimeter Wavelengths

Details Detectability of Debris Disks Around Red Dwarfs at Submillimeter Wavelengths Detectability of Debris Disks Around Red Dwarfs at Submillimeter Wavelengths

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..713..115l&link_type=abstract

THE SEARCH FOR OTHER WORLDS: Fourteenth Astrophysics Conference. AIP Conference Proceedings, Volume 713, pp. 115-118 (2004).

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Infrared Excess, Debris Disks, Protoplanetary Disks, Exo-Zodiacal Dust, Main-Sequence: Late-Type Stars, Circumstellar Shells, Clouds, And Expanding Envelopes, Circumstellar Masers, Astronomical Catalogs, Atlases, Sky Surveys, Databases, Retrieval Systems, Archives, Etc.

Scientific paper

More than two thirds of the stars in the vicinity of the Sun are red dwarfs (spectral type M) and the frequency of planetary systems around them has not been estimated yet. We show that dust in debris disks around these main sequence stars is cold (~ 15 K) radiating predominantly at submillimeter wavelengths and has escaped detection as far-IR excess. For the 1809 M dwarfs of the catalog of nearby stars CNS3, we show that the JCMT can presently detect disk with 1 lunar mass or more of dust and that ALMA in the future will be sensitive to 0.001 lunar mass of dust for the closest M dwarfs.

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