Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Adaptive optics near-IR imaging of NGC2992 - unveiling core structures
  related to radio figure-8 loops   We present near-IR adaptive optics, VLA radio and HST optical imaging of the
nearby Seyfert galaxy NGC2992. Spiral structure and an extension to the West
are traced down to the core region at the limiting resolution of our near-IR
images. A faint, diffuse loop of near-IR and radio emission is also observed to
the north, embedded within the prominent 2 arcsec radio loop previously
observed to the northwest. Near-IR color maps, and CO narrowband imaging, are
then used to identify which regions may not be purely reddened stellar
populations. Our new data provide evidence that the VLA radio-loop morphology
in the shape of a figure-8 represents two components superimposed: 1) outflow
bubbles out of the plane of the disk, coincident with the extended emission
line region (EELR); 2) star formation along the spiral arm within the galaxy
disk and through the dust lane. The near-IR continuum emission associated with
the outflowing radio bubbles suggest that the radio loops are driven by the
active nucleus.

32
The categories of this paper are: atom-ph
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat
17
The categories of this paper are: q-fin
8
The categories of this paper are: hep-ex
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The categories of this paper are: chem-ph
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The categories of this paper are: eess
10
The categories of this paper are: q-bio
1
The categories of this paper are: cs
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The categories of this paper are: alg-geom
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The categories of this paper are: comp-gas
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The categories of this paper are: math-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: cmp-lg
3
The categories of this paper are: physics
16
The categories of this paper are: stat