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MAGNETIC PROPERTIES OF ULTRAVIOLET TRANSIENT PHENOMENA ARE BLINKERS AND EXPLOSIVE EVENTS THE SAME PHENOMENON?
 

Summary: 1
MAGNETIC PROPERTIES OF ULTRAVIOLET TRANSIENT PHENOMENA
ARE BLINKERS AND EXPLOSIVE EVENTS THE SAME PHENOMENON?
M.S. Madjarska and J.G. Doyle
Armagh Observatory, Armagh BT61 9DG, N. Ireland
ABSTRACT
Simultaneous `quiet' Sun observations were performed
on 2001 October 23 with the SUMER and CDS spec-
trometers on-board SoHO together with the Big Bear So-
lar Observatory magnetograph. The aim was to study the
magnetic properties and distinct nature of the transition
region phenomena such as explosive events and blinkers.
The different appearance of the two phenomena in both
spectrometer observations was analysed. Blinker phe-
nomena were clearly associated with bipolar magnetic
regions with always one polarity stronger than the other
one. Higher resolution observations are needed in order
to associate explosive events with any particular magnetic
field changes.
Key words: SoHO; SUMER; CDS; BBSO; blinkers; ex-

  

Source: Armagh Observatory

 

Collections: Physics