Vaata neljapäev, 21 november 2019 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2019 Nov 21 1231 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 21 Nov 2019 kuni 23 Nov 2019
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
21 Nov 2019070012
22 Nov 2019070021
23 Nov 2019070005

Bülletään

The solar activity has been at very low levels over the past 24 hours. The Sun is currently spotless and the X-ray flux remains below B-level. However, a compact bright structure, located at low-latitude near the central meridian, has shown some evidence of activity. There is currently a low-latitude positive-polarity patchy coronal hole located in the Western Hemisphere. Solar activity is expected to remain at low levels for the next 24 hours.

There was a small filament eruption in the north west quadrant of the Sun. The eruption was observed to be moving predominantly to the west in coronagraph imagery. The plane-of-sky speed, as measure by CACTUS, reached around 650 km/s, and although the effects are expected to be small, the CME may arrive around mid day on 23-Nov-2019.

The greater than 10 MeV proton flux was at nominal values.

The solar wind speed has increased from around 300 to 500 km/s over the past 12 hours. The total magnetic field strength has fluctuated between 2 nT and 10 nT. The Bz component fluctuated around 0 nT, ranging between -7 and +8 nT. Geomagnetic conditions ranged between Kp index 0-2 (NOAA) and local K index 0-2 (Dourbes) over the past 24 hours.

Geomagnetic conditions have increased a little (K=2) due to the arrival of a high speed stream from a small low latitude positive polarity Coronal Hole around 21:00 UT yesterday. Geomagnetic conditions are expected to be enhanced at least over the next 24 hours.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 000, põhineb 08 jaamadel.

Päikese indeksid 20 Nov 2019

Catania Wolfi number000
10cm päikesevoog070
AK Chambon La Forêt005
AK Wingst002
Hinnanguline Ap002
Hinnanguline rahvusvaheline päikeselaikude arv000 - Põhineb 22 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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