White dwarfs and the age of the Universe

Details White dwarfs and the age of the Universe White dwarfs and the age of the Universe

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004lnea....1...23i&link_type=abstract

Lecture Notes and Essays in Astrophysics, vol. 1, p. 23-42.

Astronomy and Astrophysics

Astrophysics

White Dwarfs, Cooling Time Of White Dwarfs, Age Of The Universe

Scientific paper

White dwarfs are the final remnants of low and intermediate mass stars. Their evolution is essentially a cooling process that lasts for ˜ 10 Gyr and allows to obtain information about the age of the Galaxy as well as about the past stellar formation rate in the solar neighborhood. One of the most important applications is to pose a severe constrain to the age of the Universe. For this reason it is important to identify all the relevant sources of energy as well as the mechanisms that control its flow to the space. In this paper we describe the state of the art of the white dwarf cooling theory and we discuss the uncertainties still remaining.

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