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Peer-reviewedCC BYThe Astrophysical Journal Supplement Series

The TESS All-Sky Rotation Survey: Periods for 1,046,317 Stars within 500 pc

  • Andrew W. Boyle1
  • Luke G. Bouma2
  • Andrew W. Mann1
  1. 1The University of North Carolina at Chapel Hill
  2. 2Observatories of the Carnegie Institution for Science
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Abstract

Stellar rotation is a fundamental tracer of stellar magnetic evolution, age, and activity, with broad implications for Galactic archaeology and exoplanet characterization. The Transiting Exoplanet Survey Satellite (TESS) provides high-precision time-series photometry across the sky, enabling rotation measurements for an unprecedented number of stars. We present the TESS All-Sky Rotation Survey (TARS), an all-sky catalog of stellar variability periods for 1,046,317 stars with T < 16 and distances within 500 pc. We estimate that 93% of these periods are rotation periods. This catalog increases the number of rotation period measurements for stars with T < 16 within 100 pc by a factor of 2.3 and within 500 pc by 4.0. We also present a method to correct half-period harmonics in TESS data and show that it reliably recovers periods as long as 25 days from a single TESS sector. TARS represents the largest homogeneous catalog of stellar rotation periods to date, providing a foundation for studies of stellar ages, young associations, and Galactic structure. We make the light curves used in our analysis available as an HLSP through MAST ( https://archive.stsci.edu/hlsp/tars ). Beyond the default TARS catalog, we provide code that allows users to generate rotation period catalogs with adjustable completeness and reliability thresholds. This code and all rotation period measurements are available through Zenodo (doi: 10.5281/zenodo.19917941 ).

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Cite

BibTeXRIS
BibTeX
@article{boyle2026tess,
  title = {{The TESS All-Sky Rotation Survey: Periods for 1,046,317 Stars within 500 pc}},
  author = {Andrew W. Boyle and Luke G. Bouma and Andrew W. Mann},
  journal = {The Astrophysical Journal Supplement Series},
  year = {2026},
  month = jun,
  doi = {10.3847/1538-4365/ae6657},
  url = {https://doi.org/10.3847/1538-4365/ae6657},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - The TESS All-Sky Rotation Survey: Periods for 1,046,317 Stars within 500 pc
AU  - Andrew W. Boyle
AU  - Luke G. Bouma
AU  - Andrew W. Mann
PY  - 2026
DA  - 2026/06/01
JO  - The Astrophysical Journal Supplement Series
DO  - 10.3847/1538-4365/ae6657
UR  - https://doi.org/10.3847/1538-4365/ae6657
AB  - Stellar rotation is a fundamental tracer of stellar magnetic evolution, age, and activity, with broad implications for Galactic archaeology and exoplanet characterization. The Transiting Exoplanet Survey Satellite (TESS) provides high-precision time-series photometry across the sky, enabling rotation measurements for an unprecedented number of stars. We present the TESS All-Sky Rotation Survey (TARS), an all-sky catalog of stellar variability periods for 1,046,317 stars with T < 16 and distances within 500 pc. We estimate that 93% of these periods are rotation periods. This catalog increases the number of rotation period measurements for stars with T < 16 within 100 pc by a factor of 2.3 and within 500 pc by 4.0. We also present a method to correct half-period harmonics in TESS data and show that it reliably recovers periods as long as 25 days from a single TESS sector. TARS represents the largest homogeneous catalog of stellar rotation periods to date, providing a foundation for studies of stellar ages, young associations, and Galactic structure. We make the light curves used in our analysis available as an HLSP through MAST ( https://archive.stsci.edu/hlsp/tars ). Beyond the default TARS catalog, we provide code that allows users to generate rotation period catalogs with adjustable completeness and reliability thresholds. This code and all rotation period measurements are available through Zenodo (doi: 10.5281/zenodo.19917941 ).
SN  - 0067-0049
SN  - 1538-4365
ER  -