Arşiv Cuma, 10 Ocak 2020 görüntüleniyor

SIDC'den güneş ve jeomanyetik aktivite hakkında günlük bülten

Yayınlandı: 2020 Jan 10 1230 UTC

SIDC Tahmini

Güneş patlamaları

Quiet conditions (<50% probability of C-class flares)

Jeomanyetizma

Quiet (A<20 and K<4)

Güneş protonları

Proton event expected (10 pfu at >10 MeV)

	10cm akı	Ap
10 Jan 2020	074	008
11 Jan 2020	074	007
12 Jan 2020	074	007

Bülten

The solar activity has been at low levels over the past 24 hours. Two small bipolar sunspots are currently visible on the disc: Catania sunspots group 26 (NOAA AR-2756) in the North-West quadrant of the Sun, and Catania sunspot group 27, whish is the region close to the equator that turned over the East limb on Jan 07 and produced a narrow coronal mass ejection. No significant flaring activity has been observed in these regions and the X-ray flux remained below C-level. The solar activity is expected to remain at low levels with a small chances of C-class flare and possibly slow coronal mass ejections for the next 24 hours.

No earth-directed coronal mass ejection was identified in the available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

The solar wind environment near Earth was under the influence of the coronal hole high-speed streams. The solar wind speed increased from 400 km/s to about 590 km/s, the total magnetic field fluctuated between 2 nT and 7.6 nT, and the southern component of the magnetic filed was between -6 nT and 5.3 nT (as recorded by the ACE spacecraft). Currently the solar wind speed is decreasing and ranges around 500 km/s. We expect the solar wind parameters to return slowly towards an ambient background and slow solar wind speed regime in the next two days. An extension to the North Polar coronal hole (positive polarity), and a positive polarity equatorial coronal hole reached the central meridian today. The high-speed stream coming from those two coronal holes is expected to enhance the solar wind environment near Earth in more than 2-3 days from now.

Quiet to unsettled geomagnetic conditions were observed in response to the solar wind enhancement. Quiet to unsettle conditions is expected for the next 24 hours.

Bugünün tahmini uluslararası güneş lekesi sayısı (ISN): 1 Tahmini gunes lekesi sayisi, 2 Istasyon sayisi.

09 Jan 2020 için güneş endeksleri

Kurt numarası Catania	016
10cm güneş akısı	074
AK Chambon La Forêt	016
AK Wingst	012
Tahmini Ap	012
Tahmini uluslararası güneş lekesi sayısı	015 - 18 istasyonlarına göre

Dikkat çeken olayların özeti

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