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Unprecedented 19 Day Type IV Radio Burst as a Corotating Electron Reservoir

  • Authors: Vratislav Krupar, Oksana Kruparova, Adam Szabo, Lynn B. Wilson, Lan K. Jian, David Lario, Teresa Nieves-Chinchilla, Andreas J. Weiss, Anthony Iampietro, Hamish A. S. Reid, Lucie M. Green, Eduard P. Kontar, Rui F. Pinto, Keith Goetz

Vratislav Krupar et al 2026 The Astrophysical Journal Letters 1003 .

  • Provider: AAS Journals

Caption: Figure 9.

2002 May 18–27: (a) Wind/WAVES dynamic spectrum (sfu) showing the multiday continuum associated with the 2002 May 17–23 type IV reported by M. J. Reiner et al. (2006). (b)–(d) Wind proton density np, bulk speed VSW, and magnetic field strength ∣B∣. Following the ICME on May 23–24 (enhanced ∣B∣ and VSW), Wind encountered an ultralow-density interval with np  ≈  0.1 cm−3 on May 24–25 (“disappearing wind”), lagging the radio maximum by ∼1–2 days.

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