XTE J1650-500

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XTE J1650-500 is a stellar-mass black hole candidate and 2000–2001 transient binary X-ray source located in the constellation Ara. In 2008, it was claimed that this black hole had a mass of 3.8±0.5 solar masses,[1] which would have been the smallest found for any black hole. However, this claim was subsequently retracted;[2] the more likely mass is 5–10 solar masses.

The binary period of the black hole and its companion is 0.32 days.[3]

See also[edit]

References[edit]

  1. ^ http://www.msnbc.msn.com/id/23904291
  2. ^ http://adsabs.harvard.edu/abs/2009ApJ...699..453S
  3. ^ Orosz, J.A. et al. (2004) ApJ 616,376-382.