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GRANDWin: Gain-based Radio-frequency Interference Analysis Using Normalized Deviation with Winsorization for MWA Ultralow-frequency Calibration Data

  • Authors: Wildan Hidayat, Shintaro Yoshiura, Keitaro Takahashi, Cathryn M. Trott, D. Null, C. D. Nunhokee

Wildan Hidayat et al 2026 The Astrophysical Journal 1006 .

  • Provider: AAS Journals

Caption: Figure 8.

This figure shows the 2D auto power spectra of the observation data before (left) and after (middle) applying GRANDWin, and the log-scaled ratio of before to after (right). The removed power is predominantly from higher-frequency regions, suggesting the presence of RFI that was mitigated by the winsorizing method on the gain-calibration solutions.

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