Scientists from the Chinese Academy of Sciences' National Astronomical Observatories (NAOC), along with their international partners, used the Five-hundred-meter Spherical radio Telescope (FAST) to identify a binary pulsar system with an orbital period of 53 minutes. This newly discovered system, kn
Picture of M71E , FAST , and the globular cluster M71 . Credit: ScienceApe/CAS/NAOCNational Astronomical Observatories , along with their international partners, used the Five-hundred-meter Spherical radio Telescope to identify a binarysystem with an orbital period of 53 minutes. This newly discovered system, known as PSR J1953+1844 or M71E, bridges a previously existing gap in our understanding of the evolutionary stages of spider pulsar systems.The first pulsar was discovered in 1967.
This behavior, which is reminiscent of female spiders eating male spiders, inspired astronomers to name the objects in these two stages after redback and black widow spiders, respectively. They are collectively known as spider pulsars. Now, however, the possibility of this evolutionary path has been confirmed by FAST, the world’s largest and most sensitive radio telescope. The research team used long-term observation by FAST to detect a spider pulsar system whose orbital duration is the shortest ever discovered—only 53 minutes.
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