Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Search for Exoplanets around Northern Circumpolar Stars. IV. Six
  Planet Candidates to the K Giants, HD 44385, HD 97619, HD 106574, HD 118904,
  HD 164428, and HD 202432   We report the discovery of long-period radial velocity (RV) variations in six
intermediate-mass K-giant stars using precise RV measurements. These
discoveries are part of the Search for Exoplanets around Northern Circumpolar
Stars (SENS) survey being conducted at the Bohyunsan Optical Astronomy
Observatory. The nature of the RV variations was investigated by looking for
photometric and line shape variations. We can find no variability with the RV
period in these quantities and conclude that RV variations are most likely due
to unseen sub-stellar companions. Orbital solutions for the six stars yield
orbital periods in the range 418-1065 days and minimum masses in the range
1.9-8.5 MJ. These properties are typical on planets around intermediate-mass
stars. Our SENS survey so far has about an 8% confirmed planet occurrence rate,
and it will provide better statistics on planets around giant stars when the
survey is completed.

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The categories of this paper are: q-bio
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The categories of this paper are: econ
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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: mtrl-th
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The categories of this paper are: stat
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The categories of this paper are: physics
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The categories of this paper are: patt-sol
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The categories of this paper are: atom-ph
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The categories of this paper are: funct-an
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The categories of this paper are: alg-geom
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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: quant-ph
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The categories of this paper are: hep-ph