The stellar mass function of Praesepe

D. M. Williams, G. H. Rieke, J. R. Stauffer

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


We have obtained V, I, and K band photometry for 290 square arcminutes in the Praesepe open cluster. The photometry reliably reaches 0.08 M⊙. We find six probable cluster members in the range 0.40 M> M > 0.08 M. The mass function we derive for Praesepe is similar to the field star 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.

Original languageEnglish (US)
Pages (from-to)359-366
Number of pages8
JournalAstrophysical Journal
Issue number1
StatePublished - May 20 1995


  • Stars: low-mass, brown dwarfs
  • Stars: luminosity function, mass function

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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