White dwarf cooling sequences and cosmochronology
Abstract
The evolution of white dwarfs is a simple gravothermal process. This means that their luminosity function, i.e. the number of white dwarfs per unit bolometric magnitude and unit volume as a function of bolometric magnitude, is a monotonically increasing function that decreases abruptly as a consequence of the finite age of the Galaxy. The precision and the accuracy of the white dwarf luminosity functions obtained with the recent large surveys together with the improved quality of the theoretical models of evolution of white dwarfs allow to feed the hope that in a near future it will be possible to reconstruct the history of the different Galactic populations.
Keywords
Cite
@article{arxiv.1212.0806,
title = {White dwarf cooling sequences and cosmochronology},
author = {J. Isern and A. Artigas and E. Garcia-Berro},
journal= {arXiv preprint arXiv:1212.0806},
year = {2015}
}
Comments
Proceedings of the 40th Liege International Astrophysical Colloquium: Aging low mass stars: from red giants to white dwarfs