Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An Analysis of X-Ray Hardness Ratios Between Asynchronous and
  Non-Asynchronous Polars   The subclass of magnetic Cataclysmic Variables (CV), known as asynchronous
polars, are still relatively poorly understood. An asynchronous polar is a
polar in which the spin period of the white dwarf is either shorter or longer
than the binary orbital period (typically within a few percent). The
asynchronous polars have been disproportionately detected in soft gamma-ray
observations, leading us to consider the possibility that they have
intrinsically harder X-ray spectra. We compared standard and asynchronous
polars in order to examine the relationship between a CV's synchronization
status and its spectral shape. Using the entire sample of asynchronous polars,
we find that the asynchronous polars may, indeed, have harder spectra, but that
the result is not statistically significant.

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The categories of this paper are: chem-ph
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The categories of this paper are: supr-con
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The categories of this paper are: gr-qc
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The categories of this paper are: ao-sci
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-ex
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The categories of this paper are: comp-gas
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The categories of this paper are: solv-int
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The categories of this paper are: q-alg
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The categories of this paper are: hep-lat
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The categories of this paper are: stat
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The categories of this paper are: adap-org
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The categories of this paper are: cmp-lg
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The categories of this paper are: bayes-an
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The categories of this paper are: chao-dyn
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The categories of this paper are: patt-sol