An infrared search for low-mass companions of stars near the sun

Details An infrared search for low-mass companions of stars near the sun An infrared search for low-mass companions of stars near the sun

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98.1409s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 98, Oct. 1989, p. 1409-1417. Research supported by NASA and National Geographic Soci

Astronomy and Astrophysics

Astronomy

28

Companion Stars, Infrared Astronomy, Solar Neighborhood, Astronomical Catalogs, Astronomical Maps, Pleiades Cluster, Point Spread Functions

Scientific paper

Using a CCD camera on the IRTF telescope on Mauna Kea, a search was conducted for low-mass companions to stars in the solar neighborhood. The K band (2.2 microns) survey includes 55 condidates closer than 12 pc, as well as eight stars in the Pleiades star cluster. Due to the saturation of the primary star image, the survey was insensitive to companions within about 2 arcsec of the primary star. The survey detected a single low-mass candidate object, a companion to the star Gliese 569, which lies near or below the hydrogen-burning mass limit and resembles extremely low-mass stars similar to VB 10 and LHS 2924.

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