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The puzzling frequencies of CEMP and NEMP stars

By O.R. Pols, R.G. Izzard, E. Glebbeek and R.J. Stancliffe

Abstract

We present the results of binary population simulations of carbon- and nitrogen-enhanced metal-poor (CEMP and NEMP) stars. We show that the observed paucity of very nitrogen-rich stars puts strong constraints on possible modifications of the initial mass function at low metallicity

Year: 2009
OAI identifier: oai:dspace.library.uu.nl:1874/40467
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