Formation and evolution of coronal holes during the rising phase of cycle 23

Irina A. Bilenko, Kseniya S. Tavastsherna

Regularities of formation of coronal holes (CH) at the rising phase of cycle 23 are investigated. The period from 01.01.1997 to 01.03.2000 (Carrington rotations (CRs) 1918-2059) is…