Vaata teisipäev, 19 detsember 2023 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2023 Dec 19 1300 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
19 Dec 2023162011
20 Dec 2023162007
21 Dec 2023163007

Päikese aktiivsed piirkonnad ja pursked

The solar flaring activity was at low levels with several C-class flares during the last 24 hours. The largest reported flare was GOES C7.4 flare, which peaked at 03:04 UT on Dec 19, from NOAA AR 3528. During the flare, the source region (AR 3528) of the flare had beta-delta configuration of its photospheric magnetic field. Apart from NOAA AR 3528, NOAA AR 3526 also produced several C-class flares. The solar flaring activity is expected to be at low to moderate levels over the next 24 hours with few C-class flares, possibly M-class flares and a low chance for isolated X-class flares.

Krooniaine massiline väljavool

No Earth-directed coronal mass ejections (CMEs) were detected in the available coronagraph observations during last 24 hour.

Krooniauk

A negative polarity coronal hole is continuing to cross the central meridian and a high-speed stream from this coronal hole may arrive to Earth from December 22.

Päikesetuul

Over the past 24 hours, the solar wind parameters were disturbed under the influence of high speed streams (HSSs) from the positive polarity coronal hole which crossed the central meridian on Dec 17. The solar wind speed ranged between 440 km/s to 720 km/s. The North- South component (Bz) ranged between -10 and 9 nT. The interplanetary magnetic field ranging from 2 nT to 12 nT. Possible disturbances in solar wind parameters due to any remnants from HSSs arrives at Earth in the coming 24 hours.

Geomagnetism

Geomagnetic conditions were globally and locally at quiet to Minor storm conditions (NOAA Kp and K BEL 1 to 5), due to the arrival of high speed streams from the positive polarity coronal hole which crossed the central meridian on Dec 17. The geomagnetic condition is expected to be quiet to active conditions probably in the next 24 hours.

Prootoni voo tasemed

The greater than 10 MeV proton flux was below the threshold level over the past 24 hours and is expected to remain so for the next 24 hours.

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV electron flux, as measured by the GOES-16 satellite, remained below the threshold level in the last 24 hours. The 24h electron fluence continues to be at normal level. It is expected that this parameter will remain below the threshold level in the coming 24 hours.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 170, põhineb 10 jaamadel.

Päikese indeksid 18 Dec 2023

Catania Wolfi number208
10cm päikesevoog161
AK Chambon La Forêt040
AK Wingst021
Hinnanguline Ap026
Hinnanguline rahvusvaheline päikeselaikude arv141 - Põhineb 13 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
Puuduvad

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

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