A discovery of two slow pulsars with FAST: “Ronin” from the globular cluster M15

Zhou, Dengke; Wang, Pei; Li, Di; Fang, Jianhua; Miao, Chenchen; Freire, Paulo C. C.; Zhang, Lei; Zhang, Dandan; Chen, Huaxi; Feng, Yi; Xiao, Yifan; Xie, Jintao; Zhang, Xu; Jin, Chenwu; Wang, Han; Ke, Yinan; Guo, Xuerong; Zhao, Rushuang; Niu, Chenhui; Zhu, Weiwei; Xue, Mengyao; Wang, Yabiao; Wu, Jiafu; Gan, Zhenye; Sun, Zhongyi; Wang, Chengjie; Zhang, Jie; Zhang, Junshuo; Cao, Jinhuang; Lu, Wanjin

doi:10.1007/s11433-023-2362-x

Sci. China Phys. Mech. Astron.

2024

DOI: 10.1007/s11433-023-2362-x

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A discovery of two slow pulsars with FAST: “Ronin” from the globular cluster M15

Dengke Zhou,

Pei Wang,

Di Li

et al.

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Cited by 5 publications

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Discovery of two long-period pulsars associated the globular cluster M15

Manchester

2024

Sci. China Phys. Mech. Astron.

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Discovery of two long-period pulsars associated the globular cluster M15

Manchester

2024

Sci. China Phys. Mech. Astron.

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FAST unveils a new era in the discovery of long-period pulsars in globular clusters

Han

2024

Sci. China Phys. Mech. Astron.

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Discovery of a Millisecond Pulsar Associated with Terzan 6

Gao,

Shao,

Wang

et al. 2024

ApJL

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Observations show that globular clusters (GCs) might be among the best places to find millisecond pulsars (MSPs). However, the GC Terzan 6 seems to be an exception without any pulsar discovered, although its high stellar encounter rate suggests that it harbors dozens of them. We report the discovery of the first radio pulsar, PSR J1750–3116A, likely associated with Terzan 6 in a search of C-band (4–8 GHz) data from the Robert C. Byrd Green Bank Telescope with a spin period of 5.33 ms and dispersion measure (DM) ≃ 383 pc cm−3. The mean flux density of this pulsar is approximately 3 μJy. The DM agrees well with predictions from the Galactic free electron density model, assuming a distance of 6.7 kpc for Terzan 6. PSR J1750–3116A is likely an isolated MSP, potentially formed through dynamical interactions, considering the core-collapsed classification and the exceptionally high stellar encounter rate of Terzan 6. This is the highest radio frequency observation that has led to the discovery of a pulsar in a GC to date. While L-band (1–2 GHz) observations of this cluster are unlikely to yield significant returns due to propagation effects, we predict that further pulsar discoveries in Terzan 6 will be made by existing radio telescopes at higher frequencies.

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A discovery of two slow pulsars with FAST: “Ronin” from the globular cluster M15

Cited by 5 publications

References 46 publications

Discovery of two long-period pulsars associated the globular cluster M15

Discovery of two long-period pulsars associated the globular cluster M15

FAST unveils a new era in the discovery of long-period pulsars in globular clusters

Discovery of a Millisecond Pulsar Associated with Terzan 6

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