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What's the 'kp' number on astrospheric webpage

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#1 Gert

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Posted 17 January 2021 - 02:00 AM

Hi All,

 

Need your help understanding the data on astrospheric website. What's the 'kp' numbers?

 

astrospheric_k_number.jpg

Cheers,

Gert

 



#2 MSFFT

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Posted 17 January 2021 - 02:12 AM

It’s related to geomagnetic activity: https://www.swpc.noa...anetary-k-index

Shorter version: the higher the number, the more likely your location is to have visible auroras.

#3 astrogeoguy

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Posted 20 January 2021 - 07:44 PM

The kp values are well explained at www.spaceweather.com




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