CMEless Flares

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CMEless Flares
Number:	107
1st Author:	Hugh Hudson
2nd Author:	Säm Krucker
Published:	10 August 2009
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Introduction

Solar flares are much more common than coronal mass ejections (CMEs). Nevertheless the standard model for a solar flare essentially requires the prior or simultaneous occurrence of a CME. How do we reconcile this discrepancy? A comparison of flare properties, for flares with and without CMEs, would seem like an obvious place to start. In this Nugget we tackle this question as regards the X-ray properties, basing our study on recent lists of powerful (hence easy-to-study) major flares without CMEs.