Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Rotation periods of TESS Objects of Interest from the Magellan-TESS
  Survey with multiband photometry from Evryscope and TESS   Stellar RV jitter due to surface activity may bias the RV semi-amplitude and
mass of rocky planets. The amplitude of the jitter may be estimated from the
uncertainty in the rotation period, allowing the mass to be more accurately
obtained. We find candidate rotation periods for 17 out of 35 TESS Objects of
Interest (TOI) hosting <3 R_Earth planets as part of the Magellan-TESS Survey,
which is the first-ever statistically robust study of exoplanet masses and
radii across the photo-evaporation gap. Seven periods are 3+ sigma detections,
two are 1.5+ sigma, and 8 show plausible variability but the periods remain
unconfirmed. The other 18 TOIs are non-detections. Candidate rotators include
the host stars of the confirmed planets L 168-9 b, the HD 21749 system, LTT
1445 A b, TOI 1062 b, and the L 98-59 system. 13 candidates have no counterpart
in the 1000 TOI rotation catalog of Canto Martins et al. (2020). We find
periods for G3-M3 dwarfs using combined light curves from TESS and the
Evryscope all-sky array of small telescopes, sometimes with longer periods than
would be possible with TESS alone. Secure periods range from 1.4 to 26 d with
Evryscope-measured photometric amplitudes as small as 2.1 mmag in g'. We also
apply Monte Carlo sampling and a Gaussian Process stellar activity model from
the code exoplanet to the TESS light curves of 6 TOIs to confirm the Evryscope
periods.

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The categories of this paper are: chao-dyn
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The categories of this paper are: q-bio
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The categories of this paper are: patt-sol
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The categories of this paper are: math-ph
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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: bayes-an
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The categories of this paper are: hep-lat
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The categories of this paper are: chem-ph
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The categories of this paper are: q-fin
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The categories of this paper are: hep-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: comp-gas
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The categories of this paper are: cmp-lg
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The categories of this paper are: nlin
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The categories of this paper are: funct-an