AN EXTENDED X-RAY OBJECT EJECTED FROM THE PSR B1259–63/LS2883 BINARY

@article{Pavlov2015ANEX,
  title={AN EXTENDED X-RAY OBJECT EJECTED FROM THE PSR B1259–63/LS2883 BINARY},
  author={George G. Pavlov and Jeremy Hare and Oleg Kargaltsev and Blagoy Rangelov and Martin Durant},
  journal={The Astrophysical Journal},
  year={2015},
  volume={806}
}
We present the analysis of Chandra X-ray Observatory observations of the eccentric γ-ray binary PSR B1259–63/LS 2883. The analysis shows that the extended X-ray feature seen in previous observations is still moving away from the binary with an average projected velocity of ≈ 0.07 c ?> and shows a hint of acceleration. The spectrum of the feature appears to be hard (photon index Γ ≈ 0.8) with no sign of softening compared to previously measured values. We interpret it as a clump of plasma… 
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TLDR
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EXTENDED EMISSION FROM THE PSR B1259–63/SS 2883 BINARY DETECTED WITH CHANDRA
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