ORBITAL VARIATION OF THE X-RAY EMISSION FROM THE DOUBLE NEUTRON STAR BINARY J1537+1155

@article{Durant2011ORBITALVO,
  title={ORBITAL VARIATION OF THE X-RAY EMISSION FROM THE DOUBLE NEUTRON STAR BINARY J1537+1155},
  author={Martin Durant and Oleg Kargaltsev and Igor M. Volkov and George G. Pavlov},
  journal={The Astrophysical Journal},
  year={2011},
  volume={741}
}
We observed the double neutron star binary (DNSB) containing PSR J1537+1155 (also known as B1534+12) with the ChandraX-Ray Observatory. This is one of the two DNSBs detected in X-rays and the only one where a hint of variability with orbital phase was found (in the previous Chandra observation). Our follow-up observation supports the earlier result: the distribution of photon arrival times with orbital phase again shows a deficit around apastron. The significance of the deficit in the combined… 

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