Astronomy:PSR J2032+4127

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PSR J2032+4127, sometimes abbreviated as J2032, is a pulsar. It is accompanied by a massive Be star named MT91 213 (also 2MASS J20321312+4127243). The system is located in the constellation Cygnus (constellation) at a distance of about 1.4 kpc (~ 4570 al ) from the Sun. The system is part of the Cygnus OB2 association.

It is expected that the coming together of the two stars in early 2018 will generate high-energy phenomena.[1]

The System has an orbital period of around 45-50 yr.[2]


  1. Lyne, A. G; Stappers, B. W; Keith, M. J; Ray, P. S; Kerr, M; Camilo, F; Johnson, T. J (2015). "The binary nature of PSR J2032+4127". Monthly Notices of the Royal Astronomical Society 451 (1): 581–587. doi:10.1093/mnras/stv236. Bibcode2015MNRAS.451..581L. 
  2. Ho (2020). "Multiwavelength monitoring and X-ray brightening of Be X-ray binary PSR J2032+4127/MT91 213 on its approach to periastron". Monthly Notices of the Royal Astronomical Society 464 (1): 1211. doi:10.1093/mnras/stw2420. Bibcode2017MNRAS.464.1211H. 

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