Solar wind on February 21, 2009

February 21, 2009

Samara change region

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Solar wind parameters

Solar wind speed

364 km/s normal (average for 24 hours)

Solar wind speed for February 20 and 21, 2009, according to data from the ACE spacecraft Solar wind speed for February 20 and 21, 2009.

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Solar wind density

10 cm^-3 high (average for 24 hours)

Solar wind density for February 20 and 21, 2009, according to data from the ACE spacecraft Solar wind density for February 20 and 21, 2009.

PNG API: JSON | TXT

Solar wind temperature

48 000 K normal (average for 24 hours)

Solar wind temperature for February 20 and 21, 2009, according to data from the ACE spacecraft Solar wind temperature for February 20 and 21, 2009.

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Solar wind magnetic field induction

5.5 nT normal (average for 24 hours)

Solar wind magnetic field induction for February 20 and 21, 2009, according to data from the ACE spacecraft Solar wind magnetic field induction for February 20 and 21, 2009.

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The Bz component of the solar wind magnetic field

+2.2 nT positive (average for 24 hours)

The Bz component of the solar wind magnetic field for February 20 and 21, 2009, 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 February 20 and 21, 2009.

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