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XTE J1550−564 ❍ Entries

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XTE J1550−564 ❍｜Definition｜1st｜20260912203812-00-⌔

XTE J1550−564 - Wikipedia

XTE J1550−564

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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,1 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.1

Printed 2026-09-12.

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Footnotes

  1. 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. arXiv:1010.1013. Bibcode:2011MNRAS.416..941S. doi:10.1111/j.1365-2966.2011.19089.x. S2CID 53399981. ↩ ↩2

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XTE J1550−564 ❍｜SIMBAD｜1st｜20260912213705-00-●

XTE J1550−564 (Retrieved 2026-09-12.)
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