Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: IRS-TR 12001: Spectral Pointing-Induced Throughput Error and Spectral
  Shape in Short-Low Order 1   We investigate how the shape of a spectrum in the Short-Low module on the IRS
varies with its overall throughput, which depends on how well centered a source
is in the spectroscopic slit. Using flux ratios to quantify the overall slope
or color of the spectrum and plotting them vs. the overall throughput reveals a
double-valued function, which arises from asymmetries in the point spread
function. We use this plot as a means of determining which individual spectra
are valid for calibrating the IRS.

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The categories of this paper are: q-fin
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The categories of this paper are: cmp-lg
10
The categories of this paper are: q-bio
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The categories of this paper are: comp-gas
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The categories of this paper are: atom-ph
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The categories of this paper are: supr-con
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The categories of this paper are: quant-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: ao-sci
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The categories of this paper are: nlin
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The categories of this paper are: chem-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: acc-phys
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-th
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The categories of this paper are: chao-dyn