The mass function and mass segregation in NGC 2516

R. D. Jeffries, M. R. Thurston, N. C. Hambly

Research output: Contribution to conferencePaper

Abstract

We present the results of a 0.86 square degree BVIc survey of the open cluster NGC 2516, which has an age of 150 Myr and may have a much lower metallicity than the similarly-aged Pleiades. We select 1254 low mass ( 0.20.6, in good agreement with the Pleiades. The mass function is slightly model and metallicity dependent, but consistent with a Salpeter-like law ( dN/d log M ∝ M-α) with α = +1.6±0.2 for 0.70.3M⊙ inside our survey is 1000M⊙. Correcting for mass segregation and binarity increases this to ˜1400M⊙, about twice that of the Pleiades.
Original languageEnglish
Pages793-798
Publication statusPublished - 1 Oct 2003

Keywords

  • Open Clusters
  • Mass Function
  • Mass Segregation
  • Low-mass Stars

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