Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: SSS in young stellar populations and the "prompt" component of Type Ia
  supernovae   We present the results of a search for UV and optical counterparts of the SSS
population in M31. We find that out of the 56 sources we included in our
search, 16 are associated with regions of ongoing or recent star formation. We
discuss two particularly interesting sources that are identified optically as
early type stars, one of which displayed long term X-ray evolution similar to
that observed in classical novae. We discuss the physical origin of supersoft
X-rays in these and the other SSS in young regions, and their possible link to
the so-called "prompt" component of the Type Ia supernova population.

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The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph
0
The categories of this paper are: hep-ph
2
The categories of this paper are: math
30
The categories of this paper are: q-alg
35
The categories of this paper are: mtrl-th
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The categories of this paper are: dg-ga
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The categories of this paper are: adap-org
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The categories of this paper are: alg-geom
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The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
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The categories of this paper are: comp-gas
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The categories of this paper are: q-fin
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The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: bayes-an