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Progenitors of type Ia supernovae: Binary stars with white dwarf companions

✍ Scribed by M. Parthasarathy; David Branch; David J. Jeffery; E. Baron

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
256 KB
Volume
51
Category
Article
ISSN
1387-6473

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We have started a large survey for double degenerate (DD) binaries as potential progenitors of type Ia supernovae with the UVES spectrograph at the ESO VLT (ESO SN Ia Progenitor surveY -SPY). About 400 white dwarfs were checked for radial velocity variations during the first 15 months of this projec