Unformatted text preview: White dwarf cool -> black dwarf White dwarf in close binary system can gain mass if companion is a main sequence or giant star Accretion disk Novae When fusion starts in the accretion disk of white dwarfs. Shines for few weeks Far less luminous than supernova Can shine like 100000 Suns White dwarf supernova – sudden carbon fusion ignites in it Peak L of about 10 billion times the sun Fades quickly during first few weeks Lack of H lines...
View Full Document
This note was uploaded on 09/23/2009 for the course ASTRO 101 taught by Professor Lloyd during the Fall '08 term at Cornell.
- Fall '08