Vaata kolmapäev, 25 oktoober 2023 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2023 Oct 25 1231 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
25 Oct 2023121006
26 Oct 2023121013
27 Oct 2023121016

Päikese aktiivsed piirkonnad ja pursked

The solar flaring activity was at low levels, with several C-class flares recorded in the past 24 hours. The largest flare was an C4.2 flare, peaking at 00:01 on Oct 25, associated with the region near N16E58. Other regions on the disc have simple configuration of their photospheric magnetic field (alpha and beta) and did not show any significant flaring activity. The solar flaring activity is expected to be at low level over the next 24 hours with a chance for C-class flares.

Krooniaine massiline väljavool

No Earth directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph imagery.

Päikesetuul

Over the past 24 hours the solar wind parameters were reflecting slow solar wind conditions. The solar wind speed decreased from values around 380 km/s to 300 km/s. The interplanetary magnetic field magnitude was below 6 nT. The southward component of the interplanetary magnetic field fluctuated between -3 nT and 6 nT. Slow solar wind conditions are expected to prevail during the next days, with a chance of a weak enhancement on Oct 26-27 due to arrival of a high-speed stream from a positive polarity coronal hole, that transited the central meridian on Oct 23.

Geomagnetism

Geomagnetic conditions over the past 24 hours were quiet (NOAA Kp: 0 to 1 and K-BEL: 1 to 2). Geomagnetic conditions are expected to be at quiet levels with a chance of increasing to unsettled and active conditions on Oct 26 - 27 in response to the high-speed stream arrival associated with the small equatorial coronal hole (positive polarity) that transited the central meridian on Oct 23.

Prootoni voo tasemed

Over the past 24 hours the greater than 10 MeV GOES proton flux was at nominal levels and is expected to remain so over the next days.

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV electron flux remained below the 1000 pfu threshold as measured by GOES 16. It is expected to remain below this threshold over the next days. The 24 hour electron fluence was at normal levels and is expected to remain so.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 029, põhineb 09 jaamadel.

Päikese indeksid 24 Oct 2023

Catania Wolfi number053
10cm päikesevoog121
AK Chambon La Forêt008
AK Wingst004
Hinnanguline Ap003
Hinnanguline rahvusvaheline päikeselaikude arv038 - Põhineb 20 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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