Solar Wind Helium Abundance as a Function of Speed and Heliographic Latitude: Variation through a Solar Cycle

By Justin C. Kasper, M. Stevens, A. Lazarus, J. Steinberg, K. Ogilvie. 2007

191 citations recorded by the source corpus.

Subfields: Astronomy and Astrophysics

View Paper: https://www.semanticscholar.org/paper/80e72875ff942118d96b355d5f847065a627a9c0

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In Astronomy and Astrophysics

1. M. Ashour‐Abdalla
2. I. Dandouras
3. L. Kistler
4. Y. Shprits
5. J. Laming
6. D. Shklyar
7. R. Thorne
8. Binbin Ni

Citations in the corpus

• Circulation of Heavy Ions and Their Dynamical Effects in the Magnetosphere: Recent Observations and Models (2014, background): “The abundance of He++ is usually in the range of 3 % to 6 % (Neugebauer 1981; Aellig et al. 2001; Kasper et al. 2007), although wide variations, with values as high as 30 %, are sometimes observed (e.”
• The FIP and Inverse FIP Effects in Solar and Stellar Coronae (2015, result): “…abundance has long been known to be depleted from the photospheric value, and this depletion is now established to vary with solar slow wind speed and the phase of the solar activity cycle (Aellig et al., 2001; Kasper et al., 2007) in a similar manner to that mentioned above (Lepri et al., 2013).”