Solar Ellerman Bombs in 1D Radiative Hydrodynamics

A. Reid, M. Mathioudakis, A. Kowalski, J. G. Doyle, J. C. Allred

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Abstract

Recent observations from the Interface Region Imaging Spectrograph (IRIS) appear to show impulsive brightenings in high temperature lines, which when combined with simultaneous ground based observations in Hα, appear co-spatial to Ellerman Bombs (EBs). We use the RADYN 1-dimensional radiative transfer code in an attempt to try and reproduce the observed line profiles and simulate the atmospheric conditions of these events. Combined with the MULTI/RH line synthesis codes, we compute the Hα, Ca II 8542 A, and Mg II h & k lines for these simulated events and compare them to previous observations. Our findings hint that the presence of superheated regions in the photosphere (>10,000 K) is not a plausible explanation for the production of EB signatures. While we are able to recreate EB-like line profiles in Hα, Ca II 8542 A, and Mg II h & k, we cannot achieve agreement with all of these simultaneously.
Original languageEnglish
JournalThe Astrophysical Journal. Letters
Volume835
Issue numberL37
DOIs
Publication statusPublished - 02 Feb 2017

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