Strong‐field tests of gravity with the double pulsar

@article{Kramer2006StrongfieldTO,
  title={Strong‐field tests of gravity with the double pulsar},
  author={M. Kramer and Ingrid H. Stairs and Richard N. Manchester and Maura Mclaughlin and Andrew G. Lyne and Robert D. Ferdman and Marta Burgay and Duncan R. Lorimer and Andrea Possenti and Nicolo' D'Amico and John M. Sarkissian and Bhal Chandra Joshi and Paulo C. C. Freire and Fernando Camilo},
  journal={Annalen der Physik},
  year={2006},
  volume={15}
}
This first‐ever double‐pulsar system was discovered in 2003, consisting of two visible pulsars which orbit the common centre of mass in a slightly eccentric orbit in only 2.4 hours. One of the pulsars appears to be old and recycled with a spin period of only 22 ms. Its companion is younger and rotating slower with a period of 2.8 s, confirming the long‐proposed recycling theory for millisecond pulsars. The system provides an exciting opportunity to study the workings of pulsar magnetospheres… 
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