The Chandra limit is the upper limit of mass that a star can have and still become a white dwarf as it dies. Anything over this mass amount will result in the star exploding or becoming a black hole as it dies.
The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC.
The StarChild Team
StarChild Graphics & Music: Acknowledgments
StarChild Project Leader: Dr. Laura A. Whitlock
Responsible NASA Official: Phil Newman