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Two New Tidally Distorted White Dwarfs
Galaxy stellar content Distorted White Dwarfs J174140.49+652638.7
2012/2/20
We identify two new tidally distorted white dwarfs (WDs), SDSS J174140.49+652638.7 and J211921.96-001825.8 (hereafter J1741 and J2119). Both stars are extremely low mass (ELM, < 0.2 Msun) WDs in short...
Nucleosynthesis during the Merger of White Dwarfs and the Origin of R Coronae Borealis Stars
Dwarfs Origin Borealis Stars
2011/7/12
Many hydrogen deficient stars are characterised by surface abundance patterns that are hard to reconcile with conventional stellar evolution. Instead, it has been suggested that they may represent the...
Substellar binarity among nearby white dwarfs。
Close binary white dwarfs and supernovae IA。