Quote:
Originally Posted by sjastro
It's interesting that Sirius B is one of the most massive white dwarfs known.
It has a solar mass of around 1, white dwarfs are in the range 0.5-0.6.
I wonder where Sirius B has picked up the extra mass. 
Regards
Steven |
The original star was B type, so you're looking at a 4-5 solar mass star. Bigger the star....larger the WD left over. Most normal MS stars produce WD's in the size range you mentioned, although there are quite a few smaller ones.