Abstract

Testing anomalous energy losses in white dwarfs with the white dwarf luminosity function

Marcelo Miguel Miller Bertolami (Max Planck Institut für Astrophysik)

Melendez, B. Althaus, L. G. Instituto de Astrofisica de La Plata (UNLP/CONICET)

We use the available WDLFs from the Sloan Digital Sky Survey and the SuperCOSMOS Sky Survey, together with new white dwarf models sequences that take into account the previous evolutionary history of the star, to put constrains on the values of the neutrino magnetic dipole moment and the mass of DFSZ-axions. We discuss different luminosity ranges and their sensitivity to both axion and neutrinos. Then we derive plausible constrains on their properties and discuss the uncertainties behind the determinations.

Mode of presentation: poster