The number and luminosity distribution of white dwarfs stars can be used to help figure out the past history of the Galactic halo.
What might be causing the accretion rates in newly formed stars to remain so high?
In today’s Astrophysical Classic, we hark back to 1987 and the introduction of a new method determining the age of the universe through the use of white dwarf stars.
The authors report the discovery of perhaps the faintest black hole x-ray binary. But this conclusion is limited by the uncertainty in the distance to the object.
Archival data are able to place constraints on the origin of supernova 2011fe.