The first coronal mass ejection observed in both visible-light and UV HI Ly-α channels of the Metis coronagraph on board Solar Orbiter
- Andretta V.
- Bemporad A.
- De Leo Y.
- Jerse G.
- Landini F.
- Mierla M.
- Naletto G.
- Romoli M.
- Sasso C.
- Slemer A.
- Spadaro D.
- Susino R.
- Talpeanu D. -C.
- Telloni D.
- Teriaca L.
- Uslenghi M.
- Antonucci E.
- Auchere F.
- Berghmans D.
- Berlicki A.
- Capobianco G.
- Capuano G. E.
- Casini C.
- Casti M.
- Chioetto P.
- Da Deppo V.
- Fabi M.
- Fineschi S.
- Frassati F.
- Frassetto F.
- Giordano S.
- Grimani C.
- Heinzel P.
- Liberatore A.
- Magli E.
- Massone G.
- Messerotti M.
- Moses D.
- Nicolini G.
- Pancrazzi M.
- Pelizzo M. -G.
- Romano P.
- Schuhle U.
- Stangalini M.
- Straus T.
- Volpicelli C. A.
- Zangrilli L.
- Zuppella P.
- Abbo L.
- Aznar Cuadrado R.
- Bruno R.
- Ciaravella A.
- D'amicis R.
- Lamy P.
- Lanzafame A.
- Malvezzi A. M.
- Nicolosi P.
- Nistico G.
- Peter H.
- Plainaki C.
- Poletto L.
- Reale F.
- Solanki S. K.
- Strachan L.
- Tondello G.
- Tsinganos K.
- Velli M.
- Ventura R.
- Vial J. -C.
- Woch J.
- Zimbardo G.
DOIAbstract
Context. The Metis coronagraph on board Solar Orbiter offers a new view of coronal mass ejections (CMEs), observing them for the first time with simultaneous images acquired with a broad-band filter in the visible-light interval and with a narrow-band filter around the HI Ly-α line at 121.567 nm, the so-called Metis UV channel. Aims. We show the first Metis observations of a CME, obtained on 16 and 17 January 2021. The event was also observed by the EUI/FSI imager on board Solar Orbiter, as well as by other space-based coronagraphs, such as STEREO-A/COR2 and SOHO/LASCO/C2, whose images are combined here with Metis data. Methods. Different images are analysed here to reconstruct the 3D orientation of the expanding CME flux rope using the gra...
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