A Census of the TW Hya Association with Gaia
The Astronomical Journal, 2023 I have used high-precision photometry and astrometry from the third data release of Gaia to perform a survey for members of the TW Hya association (TWA).
K. L. Luhman
doaj +1 more source
Low and intermediate-mass close binary evolution and the initial - final mass relation [PDF]
Mon.Not.Roy.Astron.Soc. 319 (2000) 215, 2000 Using Eggleton's stellar evolution code, we carry out 150 runs of Pop I binary evolution calculations, with the initial primary mass between 1 and 8 solar masses the initial mass ratio between 1.1 and 4, and the onset of Roche lobe overflow (RLOF) at an early, middle, or late Hertzsprung-gap stage.
arxiv +1 more source
A Census of the 32 Ori Association with Gaia
The Astronomical Journal, 2022 I have used high-precision photometry and astrometry from the third data release of Gaia (DR3) to identify candidate members of the 32 Ori association.
K. L. Luhman
doaj +1 more source
A Census of the Stellar Populations in the Sco-Cen Complex
The Astronomical Journal, 2021 I have used high-precision photometry and astrometry from the early installment of the third data release of Gaia (EDR3) to perform a survey for members of the stellar populations within the Sco-Cen complex, which consist of Upper Sco, UCL/LCC, the V1062
K. L. Luhman
doaj +1 more source
Back to the Future: Estimating Initial Globular Cluster Masses from their Present Day Stellar Mass Functions [PDF]
, 2015 We use N-body simulations to model the 12 Gyr evolution of a suite of star clusters with identical initial stellar mass functions over a range of initial cluster masses, sizes, and orbits. Our models reproduce the distribution of present-day global stellar mass functions that is observed in the Milky Way globular cluster population.
arxiv +1 more source
Fragmentation of young massive clusters in binary components: an application of Griddy Gibbs Sampler
Frontiers in Astronomy and Space SciencesThe study of the process of hierarchical fragmentation of molecular clouds within Young Massive Clusters required modeling the Initial Mass Function by considering both binary and single-star components.
Abisa Sinha Adhikary, Ankita Das
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The evolution of the global stellar mass function of star clusters: an analytic description [PDF]
, 2013 The evolution of the global stellar mass function (MF) of star clusters is studied based on a large set of N-body simulations of clusters with a range of initial masses, initial concentrations, in circular or elliptical orbits in different tidal environments. Models with and without initial mass segregation are included. The depletion of low mass stars
arxiv +1 more source
Constraining the Initial Mass Function via Stellar Transients
UniverseThe stellar initial mass function (IMF) represents a fundamental quantity in astrophysics and cosmology describing the mass distribution of stars from low mass all the way up to massive and very massive stars. It is intimately linked to a wide variety of
Francesco Gabrielli +6 more
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The shape of the initial cluster mass function: what it tells us about the local star formation efficiency [PDF]
, 2008 We explore how the expulsion of gas from star-cluster forming cloud-cores due to supernova explosions affects the shape of the initial cluster mass function, that is, the mass function of star clusters when effects of gas expulsion are over. We demonstrate that if the radii of cluster-forming gas cores are roughly constant over the core mass range, as ...
arxiv +1 more source
The Birth Function for Black Holes and Neutron Stars in Close Binaries [PDF]
, 2020 The mass function for black holes and neutron stars at birth is explored for mass-losing helium stars. These should resemble, more closely than similar studies of single hydrogen-rich stars, the results of evolution in close binary systems. The effects of varying the mass-loss rate and metallicity are calculated using a simple semi-analytic approach to
arxiv +1 more source