A search for low-mass stars and brown dwarfs in the Pleiades

Details A search for low-mass stars and brown dwarfs in the Pleiades A search for low-mass stars and brown dwarfs in the Pleiades

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.239..247j&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 239, July 1, 1989, p. 247-253.

Astronomy and Astrophysics

Astronomy

55

Brown Dwarf Stars, Pleiades Cluster, Sky Surveys (Astronomy), Stellar Mass, Astronomical Photometry, Color-Magnitude Diagram, Stellar Evolution

Scientific paper

Seven areas of size 25 sq arcmin each were imaged at R and I in the Pleiades. The objects observed are plotted on a color-magnitude diagram. Comparison with theory using the age of the Pleiades shows that nine of these objects might be low-mass Pleiades members. Of these, five would then be brown dwarfs, although this number reduces if an older age is assumed for the cluster. Equally, all these objects may be old M dwarfs which are not cluster members.

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