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The population of single and binary white dwarfs of the Galactic bulge

Author
Torres, S.; Garcia-berro, E.; Cojocaru, E.; Calamida, A.
Type of activity
Journal article
Journal
Monthly notices of the Royal Astronomical Society
Date of publication
2018-05-01
Volume
476
Number
2
First page
1654
Last page
1662
DOI
https://doi.org/10.1093/mnras/sty289 Open in new window
Repository
http://hdl.handle.net/2117/124242 Open in new window
URL
https://academic.oup.com/mnras/article-abstract/476/2/1654/4839003 Open in new window
Abstract
Recent Hubble Space Telescope observations have unveiled the white dwarf cooling sequence of the Galactic bulge. Although the degenerate sequence can be well fitted employing the most up-to-date theoretical cooling sequences, observations show a systematic excess of red objects that cannot be explained by the theoretical models of single carbon–oxygen white dwarfs of the appropriate masses. Here, we present a population synthesis study of the white dwarf cooling sequence of the Galactic bulge ...
Citation
Torres, S., García-Berro, E., Cojocaru, E., Calamida, A. The population of single and binary white dwarfs of the Galactic bulge. "Monthly notices of the Royal Astronomical Society", 1 Maig 2018, vol. 476, núm. 2, p. 1654-1662.
Keywords
Galaxy: bulge, Galaxy: stellar content, stars: luminosity function, mass function, white dwarfs
Group of research
GAA - Astronomy and Astrophysics Group

Participants

  • Torres Gil, Santiago  (author)
  • Garcia-berro Montilla, Enrique  (author)
  • Cojocaru, Elena Ruxandra  (author)
  • Calamida, Annalisa  (author)