Recurrent novae and long-term evolution of mass-accreting white dwarfs – toward the accurate mass retention efficiency

Mariko Kato, Izumi Hachisu, Hideyuki Saio

Research output: Contribution to journalConference article

Abstract

The mass growth rate of mass-accreting white dwarfs (WDs) is a key factor in binary evolution scenarios toward Type Ia supernovae. Many authors have reported very different WD mass increasing rates. In this review, we clarify the reasons for such divergence, some of which come from a lack of numerical techniques, usage of old opacities, different assumptions for binary configurations, inadequate initial conditions, and unrealistic mass-loss mechanisms. We emphasize that these assumptions should be carefully chosen in calculating the long-term evolution of accreting WDs. Importantly, the mass-loss mechanism is the key process determining the mass retention efficiency: the best approach involves correctly incorporating the optically thick wind because it is supported by the multiwavelength light curves of novae.

Original languageEnglish
JournalProceedings of Science
Volume315
Publication statusPublished - 2017 Jan 1
Event2017 Golden Age of Cataclysmic Variables and Related Objects IV, GOLDEN 2017 - Palermo, Italy
Duration: 2017 Sep 112017 Sep 16

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novae
opacity
light curve
supernovae
divergence
configurations

ASJC Scopus subject areas

  • General

Cite this

Recurrent novae and long-term evolution of mass-accreting white dwarfs – toward the accurate mass retention efficiency. / Kato, Mariko; Hachisu, Izumi; Saio, Hideyuki.

In: Proceedings of Science, Vol. 315, 01.01.2017.

Research output: Contribution to journalConference article

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