The stellar mass function of Praesepe

Details The stellar mass function of Praesepe The stellar mass function of Praesepe

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...445..359w&link_type=abstract

The Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 445, no. 1, p. 359-366

Astronomy and Astrophysics

Astrophysics

23

Brown Dwarf Stars, Praesepe Star Clusters, Star Distribution, Stellar Color, Stellar Magnitude, Stellar Mass, Color-Color Diagram, Color-Magnitude Diagram, Gravitation, Stellar Spectrophotometry

Scientific paper

We have obtained V, I, and K band photometry for 290 square arcminutes in the Praesepe open cluster. The photometry reliably reaches 0.08 solar mass. We find six probable cluster members in the range 0.40 solar mass greater than M greater than 0.08 solar mass. The mass function we derive for Praesepe is similar to the field star Initial Mass Function (IMF). We conclude that dynamical processes that can lead to evaporation of low-mass members from stellar clusters have not occurred to a substantial extent in Praesepe.

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