SIMBAD references

2020ApJS..247...31L - Astrophys. J., Suppl. Ser., 247, 31-31 (2020/March-0)

A comprehensive catalog of dark matter halo models for SPARC galaxies.


Abstract (from CDS):

We present rotation curve fits to 175 late-type galaxies from the Spitzer Photometry and Accurate Rotation Curves database using seven dark matter (DM) halo profiles: pseudo-isothermal, Burkert, Navarro-Frenk-White (NFW), Einasto, Di Cintio et al. (2014, hereafter DC14), cored-NFW, and a new semi-empirical profile named Lucky13. We marginalize over the stellar mass-to-light ratio, galaxy distance, disk inclination, halo concentration, and halo mass (and an additional shape parameter for Einasto) using a Markov Chain Monte Carlo method. We find that cored halo models, such as the DC14 and Burkert profiles, generally provide better fits to rotation curves than the cuspy NFW profile. The stellar mass-halo mass relation from abundance matching is recovered by all halo profiles once imposed as a Bayesian prior, whereas the halo mass-concentration relation is not reproduced in detail by any halo model. We provide an extensive set of figures as well as best-fit parameters in machine-readable tables to facilitate model comparison and the exploration of DM halo properties.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Galaxy dark matter halos - Galaxy dynamics - Galaxy formation - Galaxy evolution - Galaxy rotation curves - Galaxy kinematics - Dark matter distribution - Cold dark matter - Spiral galaxies - Dwarf galaxies - Late-type galaxies

VizieR on-line data: <Available at CDS (J/ApJS/247/31): galaxies.dat table1.dat>

Simbad objects: 176

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