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CORHEL V4.2 Announcement

We have recently upgraded CORHEL to V4.2. This version offers six possible model combinations and works with synoptic magnetograms from six different observatories.

V4.2 supports two Coronal models (MAS and a new CORHEL implementation of the Wang-Sheeley-Arge method). It supports two Heliospheric models, MAS and ENLIL. Either of the coronal models can be coupled with either of the heliospheric models.

In principle this enables 6 different model choices:

  1. MAS Corona only
  2. WSA Corona only
  3. MAS corona + ENLIL heliosphere
  4. MAS corona + MAS heliosphere
  5. WSA corona + ENLIL heliosphere
  6. WSA corona + MAS heliosphere
Currently the WSA component is in final testing and is not yet available. We will post an update when we are authorized to offer it to users, which we expect to happen shortly.

The six magnetogram sources available for use are:

  1. Kittpeak CR < 2008
  2. Solis CR > 2008
  3. Mt. Wilson Observatory
  4. GONG
  5. MDI
  6. Wilcox Solar Observatory
Each observatory offers a different range of Carrington rotation coverage.

National Aeronautics and Space Administration Air Force Materiel Command Air Force Office of Scientific Research Air Force Research Laboratory Air Force Weather Agency NOAA Space Environment Center National Science Foundation Office of Naval Research

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