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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 8.

We show only the minimum when we perform a grid search over frequency and frequency derivative parameters. The χ2 increases rapidly as we deviate away from the optimum parameters; therefore, we choose to zoom in on the minimum.

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