Other
Scientific paper
May 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985svmf.nasa..403m&link_type=abstract
In NASA. Marshall Space Flight Center Meas. of Solar Vector Magnetic Fields p 403-436 (SEE N85-29869 18-92)
Other
9
Ephemerides, Magnetic Fields, Magnetic Signatures, Position (Location), Bipolarity, Magnetic Flux, Solar Activity, X Rays
Scientific paper
New studies of the quiet Sun reveal that ephemeral active regions constitute minority rather than a majority of all the short lived, small scale bipolar features on the Sun. In contrast to the recognized patterns of growth and decay of ephemeral regions, various examples of the creation of other temporary bipoles nicknamed pseudo ephemeral regions are illustrated. The pseudo ephemeral regions are the consequence of combinations of small scale dynamic processes of the quiet Sun including: (1) fragmentation of network magnetic fields, (2) the separation of opposite polarity halves of ephemeral regions as they grow and evolve, and (3) the coalescence of weak network or intranetwork magnetic fields. New observations offer the possibility of resolving the discrepancies that have arisen in the association of ephemeral regions with X-ray bright points. Many X-ray bright points may be related to those pseudo ephemeral regions which have begun to exhibit magnetic flux loss.
Livi Silvia H. B.
Martin Sara F.
Shi Zhengwei
Wang Jeffrey
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