Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Global Trends of CME Deflections Based on CME and Solar Parameters   Accurate space weather forecasting requires knowledge of the trajectory of
coronal mass ejections (CMEs), including any deflections close to the Sun or
through interplanetary space. Kay et al. 2013 introduced ForeCAT, a model of
CME deflection resulting from the background solar magnetic field. For a
magnetic field solution corresponding to Carrington Rotation (CR) 2029
(declining phase, April-May 2005), the majority of the CMEs deflected to the
Heliospheric Current Sheet (HCS), the minimum in magnetic pressure on global
scales. Most of the deflection occurred below 4 Rs. Here we extend ForeCAT to
include a three dimensional description of the deflecting CME. We attempt to
answer the following questions: a) Do all CMEs deflect to the magnetic minimum?
and b) Does most deflection occur within the first few solar radii (~4 Rs)?
Results for solar minimum and declining phase CMEs show that not every CME
deflects to the magnetic minimum and that the deflection is typically
determined below 2 Rs. Slow, wide, low mass CMEs in declining phase solar
backgrounds with strong magnetic field and magnetic gradients exhibit the
largest deflections. Local gradients related to active regions tend to cause
the largest deviations from the deflection predicted by global magnetic
gradients, but variations can also be seen for CMEs in the quiet sun regions of
the declining phase CR. We show the torques due to differential forces along
the CME can cause rotation about the CME's toroidal axis.

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The categories of this paper are: q-alg
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The categories of this paper are: adap-org
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The categories of this paper are: patt-sol
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The categories of this paper are: nucl-th
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The categories of this paper are: plasm-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: cs
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The categories of this paper are: chem-ph
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The categories of this paper are: math
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The categories of this paper are: ao-sci
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The categories of this paper are: solv-int
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The categories of this paper are: atom-ph
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The categories of this paper are: stat
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The categories of this paper are: physics
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The categories of this paper are: econ
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The categories of this paper are: nucl-ex