Spider pulsars are a subclass of millisecond pulsar binary methods with low mass companions in short-period orbits. In spider pulsars, the pulsar wind and electromagnetic emission ablate and will destroy the companion.
Researchers from the Xinjiang Astronomical Observatory (XAO) of the Chinese language Academy of Sciences have measured the magnetic discipline of a spider pulsar PSR J2051-0827.
The research was revealed in The Astrophysical Journal on Sept. 14.
Utilizing the 5-hundred-meter Aperture Spherical radio Telescope (FAST), the researchers investigated the polarization properties of a spider pulsar PSR J2051-0827 and located direct proof of the existence of magnetic discipline within the eclipse medium of PSR J2051-0827.
Through the egress of the eclipse of PSR J2051-0827, they discovered a daily lower in rotation measure (RM), which modifications from 60 to -28.7 rad m-2. This common lower in RM signifies that there’s a important magnetic discipline within the eclipse medium.
The road-of-sight magnetic discipline energy was estimated to be 0.1 G primarily based on the variation of RM. Contemplating the magnetic discipline ranges within the eclipse medium, the researchers recommended that cyclotron damping will not be the first eclipse mechanism on the L-band.
Moreover, the RM reversal phenomenon was detected, which could possibly be brought on by a change within the magnetic field strength alongside the road of sight attributable to binary orbital movement. The RM reversal phenomenon gives proof for a sophisticated, magnetized quick atmosphere of the supply. The outcomes counsel that environments of spider pulsars share some similarities with some fast radio bursts (FRBs).
Extra info:
S. Q. Wang et al, Change of Rotation Measure through the Eclipse of a Black Widow PSR J2051−0827, The Astrophysical Journal (2023). DOI: 10.3847/1538-4357/acea81
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Chinese Academy of Sciences
Quotation:
Researchers measure magnetic discipline in eclipse medium of a spider pulsar PSR J2051-0827 (2023, October 18)
retrieved 18 October 2023
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