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CHIME/Fast Radio Burst/Pulsar Discovery of a Nearby Long-period Radio Transient with a Timing Glitch

  • Authors: Fengqiu Adam Dong, Tracy E Clarke, Alice Curtin, Ajay Kumar, Ryan Mckinven, Kaitlyn Shin, Ingrid Stairs, Charanjot Brar, Kevin Burdge, Shami Chatterjee, Amanda M. Cook, Emmanuel Fonseca, B. M. Gaensler, Jason W. Hessels, Victoria M. Kaspi, Mattias Lazda, Robert Main, Kiyoshi W. Masui, James W. McKee, Bradley W. Meyers, Aaron B. Pearlman, Scott M. Ransom, Paul Scholz, Kendrick M. Smith, Chia Min Tan

Fengqiu Adam Dong et al 2025 The Astrophysical Journal Letters 990 .

  • Provider: AAS Journals

Caption: Figure 1.

Two pulses from CHIME J0630+25 detected by CHIME/Pulsar. The top panel for each burst contains frequency-averaged and dedispersed time series. The red line is the smoothed profile. The plots are not necessarily centered on the extracted TOA; rather, the center is chosen to best show the burst morphology. The second panel shows the dynamic spectrum of each burst, and the bottom panel shows the dedispersion heat map for each burst. The dedispersion heat map shows the power for many different DM trials. All astrophysical pulses of CHIME J0630+25 center on DM ≈ 22pc cm−3.

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