Astronomy:Q star
From HandWiki
Short description: Hypothetical compact star
A Q-star, also known as a grey hole, is a hypothetical type of a compact, heavy neutron star with an exotic state of matter. Such a star can be smaller than the progenitor star's Schwarzschild radius and have a gravitational pull so strong that some light, but not all light, cannot escape.[citation needed] The Q stands for a conserved particle number. A Q-star may be mistaken for a stellar black hole.[1]
Types of Q-stars
- Q-ball[2]
- B-ball, stable Q-balls with a large baryon number B. They may exist in neutron stars that have absorbed Q-ball(s).[2]
See also
References
- ↑ *Miller, J. C.; Shahbaz, T.; Nolan, L. A. (1998). "Are Q-stars a serious threat for stellar-mass black hole candidates?". Monthly Notices of the Royal Astronomical Society 294 (2): L25–L29. doi:10.1046/j.1365-8711.1998.01384.x. Bibcode: 1998MNRAS.294L..25M.
- ↑ 2.0 2.1 Kusenko, Alexander (2006). "Properties and signatures of supersymmetric Q-balls". workshop on Exotic Physics with Neutrino Telescopes. Uppsala, Sweden. Bibcode: 2006hep.ph...12159K.}
Further reading
- Abramowicz, M. A.; Kluźniak, W.; Lasota, J.-P. (2002). "No observational proof of the black-hole event-horizon". Astronomy & Astrophysics 396 (3): L31–L34. doi:10.1051/0004-6361:20021645. Bibcode: 2002A&A...396L..31A.
| Types |  | |
|---|---|---|
| Size | ||
| Formation | ||
| Properties | ||
| Issues | ||
| Metrics | ||
| Alternatives | ||
| Analogs | ||
| Lists | ||
| Related | ||
| Formation | |
|---|---|
| Evolution | |
| Spectral classification | |
| Remnants | |
| Hypothetical | |
| Stellar nucleosynthesis | |
| Structure | |
| Properties | |
| Star systems | |
| Earth-centric observations | |
| Lists | |
| Related articles | |
 'Category:Stars · ' | |
 |  |
