Solar wind on September 21, 2021

September 21, 2021

UTC+00 change region

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Solar wind parameters

Solar wind speed

332 km/s low (average for 24 hours)

Solar wind speed for September 20 and 21, 2021, according to data from the ACE spacecraft Solar wind speed for September 20 and 21, 2021.

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Solar wind density

9.3 cm^-3 increased (average for 24 hours)

Solar wind density for September 20 and 21, 2021, according to data from the ACE spacecraft Solar wind density for September 20 and 21, 2021.

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Solar wind temperature

29 000 K low (average for 24 hours)

Solar wind temperature for September 20 and 21, 2021, according to data from the ACE spacecraft Solar wind temperature for September 20 and 21, 2021.

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Solar wind magnetic field induction

5 nT normal (average for 24 hours)

Solar wind magnetic field induction for September 20 and 21, 2021, according to data from the ACE spacecraft Solar wind magnetic field induction for September 20 and 21, 2021.

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The Bz component of the solar wind magnetic field

−0.6 nT negative (average for 24 hours)

The Bz component of the solar wind magnetic field for September 20 and 21, 2021, according to data from the ACE spacecraft. A negative, blue Bz value (southern direction of the field) promotes the development of magnetic storms and northern lights. The Bz component of the solar wind magnetic field for September 20 and 21, 2021.

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