59 citations · 83 across the 2 of their papers we have counts for
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How the area of solar coronal holes affects the properties of high-speed solar wind streams near Earth -- An analytical model
Stefan Johann Hofmeister, Eleanna Asvestari, Jingnan Guo +10
We derive a simple analytical model for the propagation of HSSs from the Sun to Earth and thereby show how the area of coronal holes and the size of their boundary regions affect t…
3-Phase Evolution of a Coronal Hole, Part I: 360° remote sensing and in-situ observations
S. G. Heinemann, M. Temmer, S. J. Hofmeister +2
We investigate the evolution of a well-observed, long-lived, low-latitude coronal hole (CH) over 10 solar rotations in the year 2012. By combining EUV imagery from STEREO-A/B and S…
The Dependence of the Peak Velocity of High-Speed Solar Wind Streams as Measured in the Ecliptic by ACE and the STEREO satellites on the Area and Co-Latitude of their Solar Source Coronal Holes
Stefan J. Hofmeister, Astrid Veronig, Manuela Temmer +3
We study the properties of 115 coronal holes in the time-range from 2010/08 to 2017/03, the peak velocities of the corresponding high-speed streams as measured in the ecliptic at 1…
Characteristics of Low-Latitude Coronal Holes near the Maximum of Solar cycle 24
S. J. Hofmeister, A. Veronig, M. A. Reiss +4
We investigate the statistics of 288 low-latitude coronal holes extracted from SDO/AIA-193 filtergrams over the time range 2011/01/01 to 2013/12/31. We analyse the distribution of…