FAST Discovery of mu Jy Radio Pulsations from PSR J2238+5903, Providing a DM Distance Anchor for the Candidate TeV Halo 1LHAASO J2238+5900

arXiv:2607.08596 · astro-ph.HE · Submitted 2026-07-09 · Read on arXiv

Jianli Zhang, Hui Zhu, Guanhong Lin, Dejia Zhou, Yuting Chu, Songzhan Chen, Min Zha, WenJun Huang, ZiWei Ou, P. H. Thomas Tam, Sha Wu, Qiang Yuan, Yi Zhang

astro-ph.HE

Submitted: 2026-07-09

Comments: 8 pages, 2 figures, comments welcome

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Aperture — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Large High Altitude Air Shower Observatory — 1× in this paper
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• NE2001.I. A New Model for the Galactic Distribution of Free Electrons and its Fluctuations
• A pulsar escaping an ancient open cluster via tidal stripping

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