Magnetic Feature and Morphological Study of X-Ray Bright Points with Hinode
[摘要] WeobservedX-raybrightpoints(XBPs)inaquietregionoftheSunwiththeX-RayTelescope(XRT)aboardtheHinodesatelliteon2006December19.XRT’shigh-resolutionX-rayimagesrevealedmanyXBPswithcomplicatedstructureandevolvingdramaticallywithtime.AlmostallofthedynamiceruptionsinthequietregionwerecomposedofXBPs,andtheyhadeitherloopormultiloopshapes,asisobservedinlargerflares.BrighteningXBPshadstrongmagneticfieldswithoppositepolaritiesneartheirfootpoints.Whilewehavefoundapossibleexampleofassociatedmagneticcancellation,otherXBPsbrightenandfadewithoutanyassociatedmovementofthephotosphericmagneticfield.
[发布日期] [发布机构]
[效力级别] [学科分类] 天文学(综合)
[关键词] "Sun: corona";"Sun: magnetic fields";"Sun: X-rays" [时效性]
