
AbstractWe 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.
Stars: abundances, Stars: AGB and post-AGB, FOS: Physical sciences, Astronomie, Astrophysics - Astrophysics of Galaxies, Stars :evolution, Sciences de l'espace, Astrophysics - Solar and Stellar Astrophysics, Astrophysics of Galaxies (astro-ph.GA), Stars: binaries, Stars: mass function, Astrophysique, Solar and Stellar Astrophysics (astro-ph.SR)
Stars: abundances, Stars: AGB and post-AGB, FOS: Physical sciences, Astronomie, Astrophysics - Astrophysics of Galaxies, Stars :evolution, Sciences de l'espace, Astrophysics - Solar and Stellar Astrophysics, Astrophysics of Galaxies (astro-ph.GA), Stars: binaries, Stars: mass function, Astrophysique, Solar and Stellar Astrophysics (astro-ph.SR)
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