Stellar Multiplicity and the Initial Mass Function: Most Stars Are Single

@article{Lada2006StellarMA,
  title={Stellar Multiplicity and the Initial Mass Function: Most Stars Are Single},
  author={Charles J. Lada},
  journal={The Astrophysical Journal Letters},
  year={2006},
  volume={640},
  pages={L63 - L66}
}
  • C. Lada
  • Published 17 January 2006
  • Physics, Geology
  • The Astrophysical Journal Letters
In this Letter I compare recent findings suggesting a low binary star fraction for late-type stars with knowledge concerning the forms of the stellar initial and present-day mass functions for masses down to the hydrogen-burning limit. This comparison indicates that most stellar systems formed in the Galaxy are likely single and not binary, as has been often asserted. Indeed, in the current epoch two-thirds of all main-sequence stellar systems in the Galactic disk are composed of single stars… 
The relationship between the prestellar core mass function and the stellar initial mass function
Stars form from dense molecular cores, and the mass function of these cores (the CMF) is often found to be similar to the form of the stellar initial mass function (IMF). This suggests that the form
Dynamical population synthesis: constructing the stellar single and binary contents of galactic field populations
The galactic field’s late-type stellar single and binary populations are calculated on the observationally well-constrained supposition that all stars form as binaries with invariant properties in
Star clusters as laboratories for stellar and dynamical evolution
  • J. Kalirai, H. Richer
  • Physics, Geology
    Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
  • 2010
TLDR
New studies indicate that star clusters can very well harbour multiple stellar populations, possibly formed through self-enrichment processes from the first-generation stars that evolved through post-main-sequence evolutionary phases.
Star Formation in the Local Milky Way
  • C. Lada
  • Physics
    Proceedings of the International Astronomical Union
  • 2015
Abstract Studies of molecular clouds and young stars near the sun have provided invaluable insights into the process of star formation. Indeed, much of our physical understanding of this topic has
Binaries in star clusters and the origin of the field stellar population
  • S. Goodwin
  • Physics, Computer Science
    Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
  • 2010
TLDR
It is difficult to know whether star formation (as traced by binaries, at least) is universal or whether it depends on the environment, because the field population consists of a mixture of systems from different clusters that have all been processed in different ways.
Binaries in star clusters and the origin of the field stellar population
TLDR
It is difficult to know whether star formation (as traced by binaries, at least) is universal or whether it depends on the environment, because the field population consists of a mixture of systems from different clusters that have all been processed in different ways.
The formation of a quadruple star system with wide separation
TLDR
Observations of a wide-separation quadruple system composed of a young protostar and three gravitationally bound dense gas condensations suggest that filament fragmentation on length scales of about 5,000 astronomical units offers a viable pathway to the formation of multiple systems.
White Dwarf Stars
White dwarf stars are the final stage of most stars, born single or in multiple systems. We discuss the identification, magnetic fields, and mass distribution for white dwarfs detected from spectra
Modeling low mass stellar populations
Abstract Modeling low mass stellar populations, like clusters and dwarf galaxies, with population synthesis models requires that we evaluate the role played by stochastic fluctuations in the sampling
Models for the Formation of Massive Stars
The formation of massive stars is currently an unsolved problems in astrophysics. Understanding the formation of massive stars is essential because they dominate the luminous, kinematic, and chemical
...
...