Das Computer-Programm des SIDC zur automatischen CME Erkennung hat einen Median der Geschwindigkeit von 1781 km/s aus den SOHO Bildern geholt.
:Issued: 2012 Jan 23 1111 UTC

roduct: documentation at
http://www.sidc.be/products/cactus
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# HALO CME ALERTS from the SIDC (RWC-Belgium), generated by CACTUS #
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A halo or partial-halo CME was detected with the following characteristics:
t0 | dt0| pa | da | v | dv | minv| maxv|
034|2012/01/23 04:12| 01 | 144| 360| 1781| 0410| 0890| 2012
http://www.sidc.be/cactus/cactuslinkpro ... put=detail
Details can be found here:
http://www.sidc.oma.be/cactus/out/latestCMEs.html
t0: onset time, earliest indication of liftoff
dt0: duration of liftoff (hours)
pa: principal angle, counterclockwise from North (degrees)
da: angular width of the CME (degrees),
v: median velocity (km/s)
dv: variation (1 sigma) of velocity over the width of the CME
mindv: lowest velocity detected within the CME
maxdv: highest velocity detected within the CME
This message is sent whenever a CME wider than 150 degrees is detected by cactus.
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