XTE J1550-564

XTE J1550-564

XTE J1550-564
Observation data
Epoch J2000      Equinox J2000
Constellation Norma
Right ascension 15h 50m 58.78s[1]
Declination −56° 28′ 35.0″
Apparent magnitude (V) 16.6
Characteristics
Spectral type /
Astrometry
Details
Other designations
V381 Normae[1]

XTE J1550-564, sometimes abbreviated to J1550 and also known as V381 Normae is a low mass X ray binary in the constellation Norma. It is composed of a black hole around 10 times as massive as the Sun,[2] and a star of spectral type K3III. The black hole fires out jets of matter that are thought to arise from an accretion disk, and is hence known as a microquasar.[2]

References

  1. ^ a b "V381 Normae". SIMBAD Astronomical Database. Retrieved 18 August 2015. 
  2. ^ a b Steiner, James F.; Reis, Rubens C.; McClintock, Jeffrey E.; Narayan, Ramesh; Remillard, Ronald A.; Orosz, Jerome A.; Gou, Lijun; Fabian, Andrew C.; Torres, Manuel A. P. (2011). "The spin of the black hole microquasar XTE J1550-564 via the continuum-fitting and Fe-line methods". Monthly Notices of the Royal Astronomical Society 416 (2): 941–58.