000005860 001__ 5860
000005860 005__ 20221021145945.0
000005860 037__ $$aCTALK-2022-0080
000005860 100__ $$aLong, David
000005860 245__ $$aThe Energetics of a Solar Jet in a Polar Coronal Hole
000005860 260__ $$c2022
000005860 269__ $$c2022-09-12
000005860 500__ $$aOral contribution O15 of the conference abstract book
000005860 520__ $$aCoronal jets are short-lived eruptive features commonly observed in polar coronal holes and are thought to play a key role in the transfer of mass and energy into the solar corona. We describe unique contemporaneous observations of a coronal blowout jet seen by the Extreme Ultraviolet Imager onboard the Solar Orbiter spacecraft and the Atmospheric Imaging Assembly onboard the Solar Dynamics Observatory. The coronal jet erupted from the south polar coronal hole, and was observed with high spatial and temporal resolution by both instruments. We find kinematics of ~100-200 km/s across the lifetime of its observed propagation, with a distinct kink in the jet where it impacted and was subsequently guided by a nearby polar plume. A Differential Emission Measure analysis using the SDO/AIA observations revealed no clear signal of the jet, indicating that the erupting material was most likely much cooler than the coronal passbands used to derive the DEM. This is consistent with the very bright appearance of the jet in the Lyman-alpha passband observed by SO/EUI. The DEM was used to estimate both the radiative thermal energy of the source region of the coronal jet (~7⨉1025 ergs) and the kinetic energy of the jet surge (~3⨉1025 ergs). These estimates suggest that the combination of radiative and kinetic energy released in this coronal jet is comparable to the energy of a nanoflare.
000005860 594__ $$aSTCE
000005860 6531_ $$aSun
000005860 6531_ $$acorona
000005860 6531_ $$aEUI
000005860 700__ $$aChitta, Lakshmi Pradeep
000005860 700__ $$aBaker,  Deborah 
000005860 700__ $$aHannah, Iain G. 
000005860 700__ $$aNgampoopun, Nawin 
000005860 700__ $$aBerghmans, David 
000005860 700__ $$aZhukov, Andrei 
000005860 773__ $$t8th Solar Orbiter Workhop, Belfast (UK) 
000005860 8560_ $$fdavid.berghmans@observatoire.be
000005860 906__ $$aContributed
000005860 980__ $$aCTALKCONT