Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 455, Issue 1, Pages L16-L20Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnrasl/slv144
Keywords
binaries: close; novae; cataclysmic variables; white dwarfs
Categories
Funding
- Fondecyt [1141269, 3130559]
- Millennium Nucleus [RC130007]
- Netherlands Organisation for Scientific Research (NWO) [614.001.202]
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The average white dwarf (WD) masses in cataclysmic variables (CVs) have been measured to significantly exceed those of single WDs, which is the opposite of what is theoretically expected. We present the results of binary population synthesis models taking into account consequential angular momentum loss (CAML) that is assumed to increase with decreasing WDmass. This approach cannot only solve the WD mass problem but also brings in agreement theoretical predictions and observations of the orbital period distribution and the space density of CVs. We speculate that frictional angular momentum loss following nova eruptions might cause such CAML and could be the missing ingredient of CV evolution.
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