Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pasp..111..210p&link_type=abstract
The Publications of the Astronomical Society of the Pacific, Volume 111, Issue 756, pp. 210-216.
Astronomy and Astrophysics
Astronomy
12
Galaxy: Open Clusters And Associations: Individual: Alphanumeric: Ic 2391, Stars: Late-Type, Stars: Low-Mass, Brown Dwarfs, Stars: Luminosity Function, Mass Function, Stars: Pre-Main-Sequence
Scientific paper
A VRI photometric survey has been conducted in the young open cluster IC 2391 to identify candidate low-mass cluster members. Photometry for some 10,725 objects, ranging from V=10 to V=20, were extracted from 21 CCD fields positioned within 1 deg of the nominal cluster center [alpha(2000)=08^h42^m, delta(2000)=-53^deg00^']. Seventeen stars have been identified as candidate cluster members with (V-I) colors ranging from 2.78 to 3.72. The masses of these candidate members are estimated to range from 0.25 to 0.09 M_solar. If these stars are indeed IC 2391 members, they will help to rectify an apparent deficit of low-luminosity stars in the luminosity function of this cluster.
Patten Brian Michael
Pavlovsky Cheryl M.
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