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New double neutron star millisecond pulsar discovered - Forum

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Forum » Main » Science, Astronomy, Nature » New double neutron star millisecond pulsar discovered
New double neutron star millisecond pulsar discovered
ManuDate: Monday, 25-April-2022, 6:08 PM | Message # 1
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by Tomasz Nowakowski , Phys.org

An international team of astronomers reports the discovery of a rare double neutron star millisecond pulsar. The newfound binary pulsar, designated PSR J1325−6253, consists of two neutron stars orbiting one another every 1.8 days. The finding is detailed in a paper published April 14 on arXiv.org.

The most rapidly rotating pulsars, those with rotation periods below 30 milliseconds, are known as millisecond pulsars (MSPs). It is assumed that they are formed in binary systems when the initially more massive component turns into a neutron star that is then spun-up due to accretion of matter from the secondary star.

Some pulsars consist of two neutron stars (dubbed double neutron star systems—DNS). They are one of the most important classes of objects used to test and understand numerous astrophysical and fundamental physics phenomena, including general relativity in the strong-field regime.

To date only 21 DNS pulsars have been identified, and now astronomers led by Rahul Sengar of the Swinburne University of Technology in Australia report the newest addition to this short list of these objects—PSR J1325−6253. The source was detected in a reprocessing of the High Time Resolution Universe South Low Latitude (HTRU-S LowLat) pulsar survey.

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Read more/full article/source - https://phys.org/news/2022-04-neutron-star-millisecond-pulsar.html
 
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