000007695 001__ 7695
000007695 005__ 20260105150318.0
000007695 0247_ $$2DOI$$a10.1051/0004-6361/202452737
000007695 037__ $$aSCART-2026-0003
000007695 100__ $$aChitta, L. P.  
000007695 245__ $$aCoronal hole picoflare jets are progenitors of both fast and Alfvénic slow solar wind
000007695 260__ $$c2025
000007695 520__ $$aSolar wind, classified by its bulk speed and the Alfvénic nature of its fluctuations, generates the heliosphere. The elusive physical processes responsible for the generation of the different types of this wind are a topic of active debate. Recent observations reveal intermittent jets, with kinetic energy in the picoflare range, emerging from dark areas of a polar coronal hole threaded by open magnetic field lines. These could substantially contribute to solar wind. However, their ubiquity and direct links to solar wind have not been established. Here, we report a unique set of remote-sensing and in situ observations from the Solar Orbiter spacecraft that establish a unified picture of fast and Alfvénic slow wind, connected to the similar widespread picoflare jet activity in two coronal holes. Radial expansion of coronal holes ultimately regulates the speed of the emerging wind.
000007695 594__ $$aSTCE
000007695 6531_ $$aEUI
000007695 6531_ $$aSolar Orbiter
000007695 6531_ $$acorona
000007695 6531_ $$ajets
000007695 6531_ $$asolar wind
000007695 700__ $$aHuang, Z. 
000007695 700__ $$aD'Amicis, R.  
000007695 700__ $$aCalchetti, D.  
000007695 700__ $$aZhukov, A. N. 
000007695 700__ $$aKraaikamp, E. 
000007695 700__ $$aVerbeeck, C. 
000007695 700__ $$aAznar Cuadrado, R.  
000007695 700__ $$aHirzberger, J. 
000007695 700__ $$aBerghmans, D. 
000007695 700__ $$aHorbury, T. S. 
000007695 700__ $$aSolanki, S. K.  
000007695 700__ $$aOwen, C. J.  
000007695 700__ $$aHarra, L.  
000007695 700__ $$aPeter, H. 
000007695 700__ $$aSchühle, U.  
000007695 700__ $$aTeriaca, L.  
000007695 700__ $$aLouarn, P. 
000007695 700__ $$aLivi, S. 
000007695 700__ $$aGiunta, A. S.  
000007695 700__ $$aHassler, D. M. 
000007695 700__ $$aWang, Y.-M. 
000007695 773__ $$nid.A71$$pAstronomy & Astrophysics$$v694$$y2025
000007695 8560_ $$fdavid.berghmans@ksb-orb.be
000007695 85642 $$ahttps://www.aanda.org/articles/aa/full_html/2025/02/aa52737-24/aa52737-24.html
000007695 85642 $$ahttps://arxiv.org/abs/2411.16513
000007695 905__ $$apublished in
000007695 980__ $$aREFERD