LOFAR Discovery of a 23.5 s Radio Pulsar

  title={LOFAR Discovery of a 23.5 s Radio Pulsar},
  author={C. M. Tan and C. Bassa and S. Cooper and T. Dijkema and P. Esposito and J. Hessels and V. Kondratiev and M. Kramer and D. Michilli and S. Sanidas and T. Shimwell and B. Stappers and J. Leeuwen and I. Cognard and J. Griessmeier and A. Karastergiou and E. Keane and C. Sobey and P. Astrophysics and S. Physics and Astronomy and U. O. Manchester and Manchester and Uk and Astron. and The Netherlands Institute for Radio Astronomy and The Netherlands. and Anton Pannekoek Institute for Astronomy and U. Amsterdam and Amsterdam and I. D. A. S. E. F. Cosmica and Milano and Italy. and Astro Space Centre and L. Institute and Russian Academy of Sciences and Moscow and Russia. and Max--Planck--Institut fur Radioastronomie and Germany and Laboratoire de Physique et Chimie de l'Environnement et de l'Espace and Universit'e d'Orl'eansCNRS and France. and Station de Radioastronomie de Nanccay and Observatoire de Paris and CNRS-INSU and Oxford Astrophysics and Denys Wilkinson Building and K. Road and Oxford and Department of Applied Physics and University of the Western Cape and S. Africa and Electronics and R. University and Ska Organisation and J. Observatory and International Centre for Radio Astronomy Research - Curtin University and Australia. and C. Astronomy and S. Science},
  journal={The Astrophysical Journal},
  • C. M. Tan, C. Bassa, +58 authors S. Science
  • Published 2018
  • Physics
  • The Astrophysical Journal
  • We present the discovery of PSR J0250+5854, a radio pulsar with a spin period of 23.5 s. This is the slowest-spinning radio pulsar known. PSR J0250+5854 was discovered by the LOFAR Tied-Array All-Sky Survey (LOTAAS), an all-northern-sky survey for pulsars and fast transients at a central observing frequency of 135 MHz. We subsequently detected pulsations from the pulsar in the interferometric images of the LOFAR Two-meter Sky Survey, allowing for subarcsecond localization. This, along with a… CONTINUE READING
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