List of nearest black holes

List of nearest black holes

This list contains all known black holes near the Solar System (within Milky Way galaxy).

Contents

  • List 1
  • See also 2
  • References 3
  • External links 4

List

# Distance
Light-years (±err)
Distance
kiloparsecs (±err)
Designation Stellar class Epoch J2000.0 Solar mass
(Sun = 1)
Discovery date[1] Notes and references
additional
System Component Right ascension[2] Declination[2] System Component
1 2800 0.858 A0620-00 (V616 Mon) A BH 11.0±1.9 binary star system
orbit t = 7.75 hr
Black hole candidate
B K[2] approximately 0.5 solar masses
2 6,100 ± 400 1.90 ± 0.1 Cygnus X-1 (Cyg X-1) Cyg X-1 BH 15±1 binary star system
orbit t = 5.6 d
HDE 226868 O[2] 20-40
3 7800 ± 460 2.39±0.14 V404 Cygni A BH 12±3 22.05.1989 binary star system
orbit t = 6.5 d
The first black hole to have an accurate parallax measurement
for its distance from our solar system
B G[2] slightly smaller than the Sun late G or early K

See also

References

  1. ^ Before 1900: earliest certain recorded observation. 1900–1930: first catalogued. After 1930: earliest trigonometric or spectroscopic parallax.
  2. ^ a b c d e  

External links