Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Survey of Period Variations of Superhumps in SU UMa-Type Dwarf Novae. X:
  The Tenth Year (2017)   Continuing the project described by Kato et al. (2009, PASJ, 61, S395,
arXiv/0905.1757), we collected times of superhump maxima for 102 SU UMa-type
dwarf novae observed mainly during the 2017 season and characterized these
objects. WZ Sge-type stars identified in this study are PT And, ASASSN-17ei,
ASASSN-17el, ASASSN-17es, ASASSN-17fn, ASASSN-17fz, ASASSN-17hw, ASASSN-17kd,
ASASSN-17la, PNV J20205397+2508145 and TCP J00332502-3518565. We obtained new
mass ratios for 7 objects using growing superhumps (stage A). ASASSN-17gf is an
EI Psc-type object below the period minimum. CRTS J080941.3+171528 and DDE 51
are objects in the period gap and both showed long-lasting phase of stage A
superhumps. We also summarized the recent advances in understanding of SU
UMa-type and WZ Sge-type dwarf novae.

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The categories of this paper are: dg-ga
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The categories of this paper are: cmp-lg
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The categories of this paper are: patt-sol
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The categories of this paper are: funct-an
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The categories of this paper are: hep-lat
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The categories of this paper are: math
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The categories of this paper are: atom-ph
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The categories of this paper are: q-fin
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The categories of this paper are: eess
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The categories of this paper are: comp-gas
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The categories of this paper are: bayes-an
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The categories of this paper are: adap-org
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The categories of this paper are: math-ph
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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: physics