Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Caltech-NRAO Stripe 82 Survey (CNSS) Paper II: On-The-Fly Mosaicing
  Methodology   Telescope slew and settle time markedly reduces the efficiency of wide-field
multi-epoch surveys for sensitive interferometers with small fields of view.
The overheads can be mitigated through the use of On-the-Fly Mosaicing (OTFM),
where the the antennas are driven at a non-sidereal rate and visibilities are
recorded continuously. Here we introduce the OTFM technique for the VLA, and
describe its implementation for the Caltech-NRAO Stripe 82 Survey (CNSS), a
dedicated 5-epoch survey for slow transients at S band (2-4 GHz). We also
describe the OTFSim tool for planning dynamically-scheduled OTFM observations
on the VLA, the latest imaging capabilities for OTFM in CASA, and present a
comparison of OTFM observations with pointed observations. Using the subset of
our observations from the CNSS pilot and final surveys, we demonstrate that the
wide-band and wide-field OTFM observations with the VLA can be imaged
accurately, and that this technique offers a more efficient alternative to
standard mosaicing for multi-epoch shallow surveys such as the CNSS and the VLA
Sky Survey (VLASS). We envisage that the new OTFM mode will facilitate new
synoptic surveys and high-frequency mapping experiments on the VLA.

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The categories of this paper are: hep-ex
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The categories of this paper are: patt-sol
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The categories of this paper are: solv-int
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The categories of this paper are: q-fin
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The categories of this paper are: math-ph
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The categories of this paper are: q-alg
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The categories of this paper are: cs
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The categories of this paper are: math
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The categories of this paper are: hep-lat
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The categories of this paper are: plasm-ph
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The categories of this paper are: adap-org
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The categories of this paper are: nucl-th
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The categories of this paper are: econ
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The categories of this paper are: q-bio
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The categories of this paper are: physics
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The categories of this paper are: chao-dyn