VLF wave activity in the solar wind and the photoelectron effect in electric field measurements: Ulysses observations

Physics & Astronomy

• very low frequencies 100%
• solar wind 78%
• photoelectrons 70%
• electric fields 46%
• solar activity 23%
• solar cycles 22%
• wave excitation 22%
• plasma density 18%
• spacecraft 17%
• electromagnetic radiation 16%
• occurrences 15%
• modulation 12%

Earth & Environmental Sciences

• solar wind 79%
• electric field 73%
• plasma 40%
• electromagnetic wave 30%
• solar cycle 28%
• solar activity 27%
• spacecraft 24%
• effect 18%
• measuring 17%
• speed 16%