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Axions and the luminosity function of white dwarfs : the thin and thick discs, and the halo

Autor
Isern, J.; García-Berro, E.; Torres, S.; Cojocaru, E.; Catalán, S.
Tipus d'activitat
Article en revista
Revista
Montly Notices of the Royal Astronomical Society
Data de publicació
2018-08-01
Volum
478
Número
2
Pàgina inicial
2569
Pàgina final
2575
DOI
https://doi.org/10.1093/mnras/sty1162 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/121474 Obrir en finestra nova
https://arxiv.org/abs/1805.00135 Obrir en finestra nova
URL
https://academic.oup.com/mnras/article-abstract/478/2/2569/4996789 Obrir en finestra nova
Resum
The evolution of white dwarfs is a simple gravothermal process of cooling. Since the shape of their luminosity function is sensitive to the characteristic cooling time, it is possible to use its slope to test the existence of additional sources or sinks of energy, such as those predicted by alternative physical theories. The aim of this paper is to study if the changes in the slope of the white dwarf luminosity function around bolometric magnitudes ranging from 8 to 10 and previously attributed ...
Citació
Isern, J., García-Berro, E., Torres, S., Cojocaru, E., Catalán, S. Axions and the luminosity function of white dwarfs : the thin and thick discs, and the halo. "Montly Notices of the Royal Astronomical Society", 1 Agost 2018, vol. 478, núm. 2, p. 2569-2575.
Paraules clau
astroparticle physics, white dwarfs
Grup de recerca
GAA - Grup d'Astronomia i Astrofísica

Participants

  • Isern Vilaboy, Jordi  (autor)
  • García-Berro Montilla, Enrique  (autor)
  • Torres Gil, Santiago  (autor)
  • Cojocaru, Elena Ruxandra  (autor)
  • Catalán Ruiz, Silvia  (autor)

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