Fine Structures of Solar X-Ray Jets Observed with the X-Ray Telescope aboard Hinode

[摘要] TheX-RayTelescope(XRT)aboardHinodehasrevealedthefinestructureofsolarX-rayjets.OneofthefinestructuresobservedbyXRTisanexpandingloop.Theloopappearednearthefootpointofthejetwhenfootpointbrighteningwasobserved.Additionally,wehavefoundthattheX-rayjetsbeganjustaftertheexpandingloop“breaks”.OtherfinestructuresdiscoveredbyXRTarethread-likefeaturesalongtheaxisofthejets.XRThasshownthatthesethreadstructurescomposethecross-sectionofjets.ThefinestructuresandtheirmotionsstronglysupportanX-rayjetmodelbasedonmagneticreconnection,andalsosuggestthatwemustconsiderthethree-dimensionalconfigurationofthemagneticfieldtounderstandthejetphenomenon.WealsoinvestigatedthereversejetassociatedwiththeX-rayjetinthequietSun,andproposethatthereversejetisproducedbyheatconduction,oraMHDwavesubsequenttothemainjet.

[学科分类] 天文学(综合)

[关键词] "Sun: corona";"Sun: flare";"Sun: X-rays;gamma rays"