Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Remote coronal dimmings related to a circular-ribbon flare   In this paper, multiwavelength observations of remote coronal dimmings
related to an M1.1 circular-ribbon flare (CRF) in active region (AR) 12434 are
reported. The confined flare without a CME was observed by AIA and HMI on board
SDO on 2015 October 16. Global three-dimensional (3D) magnetic fields before
flare were obtained using the potential field source surface modeling. A few
minutes before the flare hard X-ray peak time (06:13:48 UT), small-scale, weak
dimming appeared $\sim$240$\arcsec$ away from the flare site, which can be
observed by AIA only in 131 and 171 {\AA}. Afterwards, long and narrow dimmings
became evident in all AIA EUV passbands except 304 {\AA}, while localized core
dimming was not clearly observed near the flare site. The large-area dimmings
extended southeastward and the areas increased gradually. The total area of
dimmings reaches (1.2$\pm0.4$)$\times$10$^4$ Mm$^2$ in 193 {\AA}. The maximal
relative intensity decreases in 171 and 193 {\AA} reach 90\% and 80\%,
respectively. Subsequently, the dimmings began to replenish and the area
decreased slowly, lasting for $\geq$3 hr. The remote dimmings and AR 12434 were
connected by large-scale coronal loops. The remote dimmings were associated
with the southwest footpoints of coronal loops with weak negative polarities.
Possible origins of remote dimmings are discussed.

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The categories of this paper are: nlin
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The categories of this paper are: mtrl-th
18
The categories of this paper are: econ
27
The categories of this paper are: comp-gas
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-th
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The categories of this paper are: q-bio
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The categories of this paper are: ao-sci
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The categories of this paper are: math-ph
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The categories of this paper are: cs
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-ex
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The categories of this paper are: quant-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: q-fin
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The categories of this paper are: alg-geom