Vaata neljapäev, 29 oktoober 2015 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2015 Oct 29 1233 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 29 Oct 2015 kuni 31 Oct 2015
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Proton event in progress (>10 MeV)

10 cm voolAp
29 Oct 2015114006
30 Oct 2015112013
31 Oct 2015110007

Bülletään

Solar flaring activity was low with a number of low class C flares from Catania groups 55 (NOAA 2437) and 62 (NOAA 2443), the new region on the East limb. The strongest was a C1.5 flare peaking at 00:21UT from Catania group 62 (NOAA 2437). Flaring at C level is expected to continue over the next days with a chance for an M flare. A combination of 2 CME's is visible in LASCO/C2 images from 1:25 UT onwards. The first one is directed SouthWest, and rather slow. No on disk source could be attributed to this event and it is believed to be backsided. It is immediately followed by a second CME visible from 2:24UT onwards, which is directed slightly less Southward. It can be associated with activity in Catania group 55 (NOAA 2437) although there is no corresponding strong Xray flare. Its angular width is between 120 and 150 degrees and the projected speed of the order of 500 km/s. It can not be excluded that a shock from this CME may arrive from early November 1 onwards. The CME event also caused the proton event of this morning. The proton levels started to rise around 3:00 UT following the CME onset. The >10 MeV proton levels have reached the event threshold of 10 pfu around 5:50UT reaching a peak of around 24 pfu around 10:00UT. The levels of >100 MeV and >50MeV protons also increased above 1 pfu but remained below 10pfu. The proton levels are currently declining with the >10MeV levels almost below the event threshold. >10MeV Proton levels are expected to remain enhanced for the next days. Solar wind speed was within the 290-300 km/s range. Total magnetic field increased from below 3.5 nT to levels reaching 7 nT, with Bz mostly positive and not below -3 nT. The phi angle was mostly in the inward sector but showed some rotation at the start of the period. Geomagnetic conditions were quiet to unsettled (local K Dourbes 0-3, NOAA Kp 0-2). Largely nominal solar wind conditions are expected to continue, though an expected sector boundary crossing could cause some perturbations and isolated periods of active geomagnetic conditions. The possible arrival of a shock related to this mornings CME may later cause active to minor geomagnetic storm conditions.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 085, põhineb 12 jaamadel.

Päikese indeksid 28 Oct 2015

Catania Wolfi number///
10cm päikesevoog112
AK Chambon La Forêt003
AK Wingst000
Hinnanguline Ap001
Hinnanguline rahvusvaheline päikeselaikude arv075 - Põhineb 18 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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