Vaata neljapäev, 7 september 2023 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2023 Sep 07 1231 UTC

SIDC ennustus

Päikesepursked ehk loited

C-class flares expected, (probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
07 Sep 2023147007
08 Sep 2023150007
09 Sep 2023150007

Päikese aktiivsed piirkonnad ja pursked

There are presently eight numbered active regions observed at the visible side of the solar disc and four of them have beta configuration of the photospheric magnetic field. Solar flaring activity was during last 24 hours at the C-class level. Catania sunspot group 44 (NOAA AR 3423) has, during last 24 hours, strongly increased in the area, sunspot number and complexity of its photospheric magnetic field. Similar behavior was observed for Catania sunspot group 41 (NOAA AR 3421). We expect these two active regions to be source of majority of the flaring activity in the coming hours. We expect C-class but also an isolated M-class flares.

Krooniaine massiline väljavool

During last 24 hours there were no Earth directed CMEs detected in the available coronagraph data.

Päikesetuul

Earth is presently inside the slow solar wind with velocity of about 380 km/s. The interplanetary magnetic field magnitude is about 5 nT.

Geomagnetism

During last 24 hours the geomagnetic conditions were quiet to unsettled, and we expect them to stay so in the comming hours. The solar wind, originating from the negative polarity coronal hole which crossed central meridian on September 03, can be expected at Earth later today.

Prootoni voo tasemed

The greater than 10 MeV proton flux was at the background levels and we do not expect significant change in the coming hours. As the complex Catania sunspot group 41 (NOAA AR 3421) is approaching to the West solar limb, the strong flaring activity from this region in the coming days, could be associated with the particle event.

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV electron flux has continue to fluctuate around the 1000 pfu threshold. The 24h electron fluence is at normal level. We do not expect significant change in these parameters in the coming hours.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 138, põhineb 18 jaamadel.

Päikese indeksid 06 Sep 2023

Catania Wolfi number178
10cm päikesevoog147
AK Chambon La Forêt011
AK Wingst008
Hinnanguline Ap008
Hinnanguline rahvusvaheline päikeselaikude arv133 - Põhineb 29 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
Puuduvad

Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive

Kõik ajad UTC-s

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