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2012MNRAS.421.2025K - Mon. Not. R. Astron. Soc., 421, 2025-2042 (2012/April-2)
Testing the universality of star formation – I. Multiplicity in nearby star-forming regions.
KING R.R., PARKER R.J., PATIENCE J. and GOODWIN S.P.
Abstract (from CDS):
With N-body simulations, we attempt to find a set of initial conditions that are able to reproduce the density, morphology and binary fractions of all five clusters. Only an initially clumpy (fractal) distribution with an initial total binary fraction of 73 per cent (17 per cent in the range 62–620 au) is able to reproduce all of the observations (albeit not very satisfactorily). Therefore, if star formation is universal, then the initial conditions must be clumpy and with a high (but not 100 per cent) binary fraction. This could suggest that most stars, including M dwarfs, form in binaries.
Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS
Journal keyword(s): methods: numerical - binaries: general - stars: formation - stars: kinematics and dynamics - open clusters and associations: general
Simbad objects: 9
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