Discovery of X-Rays from the Old and Faint Pulsar J1154–6250

@article{Igoshev2018DiscoveryOX,
  title={Discovery of X-Rays from the Old and Faint Pulsar J1154–6250},
  author={Andrei P. Igoshev and Sergey S. Tsygankov and Michela Rigoselli and Sandro Mereghetti and Sergei B. Popov and Justin G. Elfritz and Alexander A. Mushtukov},
  journal={The Astrophysical Journal},
  year={2018}
}
We report on the first X-ray observation of the 0.28 s isolated radio pulsar PSR J1154--6250 obtained with the XMM-Newton observatory in February 2018. A point-like source is firmly detected at a position consistent with that of PSR J1154--6250. The two closest stars are outside the 3$\sigma$ confidence limits of the source position and thus unlikely to be responsible for the observed X-ray emission. The energy spectrum of the source can be fitted equally well either with an absorbed power-law… 

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