Q star

Q star

A Q-Star, also known as a gray hole, is hypothetical type of a compact, heavy neutron star with an exotic state of matter. The Q stands for a conserved particle number. A Q-Star may be mistaken for a stellar black hole.


  • Types of Q-stars 1
  • See also 2
  • References 3
  • External links 4

Types of Q-stars

  • SUSY Q-ball[1]
  • B-ball, stable Q-balls with a large baryon number B. They may exist in neutron stars that have absorbed Q-ball(s).[1]

See also


  1. ^ a b Properties and signatures of supersymmetric Q-balls, Alexander Kusenko, 2006

External links

  • Abstract, Are Q-stars a serious threat for stellar-mass black hole candidates?, Miller J.C., Shahbaz T., Nolan L.A, 1997
  • Abstract, No observational proof of the black-hole event-horizon, Marek A. Abramowicz, Wlodek Kluzniak, Jean-Pierre Lasota, 2002