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EFTE-SOAR: Two Giant M Dwarf Flares with Rapid Spectroscopic Follow-up

  • Authors: Hank Corbett, Nathan Galliher, Amy Glazier, Ramses Gonzalez Chavez, Nicholas M. Law, Ward S. Howard, Alan Vasquez Soto, Jeffrey K. Ratzloff, Robert Quimby

Hank Corbett et al 2025 The Astronomical Journal 169 .

  • Provider: AAS Journals

Caption: Figure 10.

Quiescent-flux-subtracted spectra for EVRT-3586872 at +69 and +145 minutes from flare peak. Near the secondary peak at +69 minutes, Balmer continuum and “conundruum” flux, potentially higher-order hydrogen series, dominate the excess emission, decaying to a mostly thermal spectrum at the end of observations. The shaded region indicates the window regions used for calculating the relative contributions of nonthermal emission.

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