Travis Metcalfe

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Publications (319)

• Characterizing six seismic solar analogs observed by Kepler, K2, and HERMES
  Rafael A. García, S. Mathur, George T Hookway +31 more
  Astronomy & Astrophysics 2026 DOI: 10.1051/0004-6361/202659849
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• Stellar Activity Cycles Grow Longer and Weaker before Disappearing
  Research Notes of the AAS 2026 DOI: 10.3847/2515-5172/ae69d9
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• Antisolar Differential Rotation May Have Revived Magnetic Braking in the Subgiant 31 Aquilae
  The Astronomical Journal 2026 DOI: 10.3847/1538-3881/ae5484
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• Spectropolarimetric Constraints on the Maunder Minimum Analog HD 166620: Evidence for Weakened Magnetic Braking
  The Astrophysical Journal 2026 DOI: 10.3847/1538-4357/ae4d3b
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• Asteroseismic Calibration of the Rossby Number and Its Connection to the Stellar Dynamo and Fundamental Properties
  The Astrophysical Journal 2025 DOI: 10.3847/1538-4357/ae12f2
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• Weakened Magnetic Braking Signals the Collapse of the Global Stellar Dynamo
  The Astrophysical Journal Letters 2025 DOI: 10.3847/2041-8213/ae03bc
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• Zeeman Doppler Imaging of τ Ceti: The Weakest Magnetic Field Detected in a Sun-like Star
  The Astrophysical Journal Letters 2025 DOI: 10.3847/2041-8213/ae018a
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• Testing the Rossby Paradigm: Weakened Magnetic Braking in Early K-type Stars
  The Astrophysical Journal 2025 DOI: 10.3847/1538-4357/add40a
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• Magnetic braking and dynamo evolution of β Hydri
  Astronomy & Astrophysics 2025 DOI: 10.1051/0004-6361/202554730
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• Asteroseismology of the Nearby K Dwarf σ Draconis Using the Keck Planet Finder and TESS
  The Astrophysical Journal 2024 DOI: 10.3847/1538-4357/ad76a9
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• Extending the Asteroseismic Calibration of the Stellar Rossby Number
  Research Notes of the AAS 2024 DOI: 10.3847/2515-5172/ad8566
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• TESS Asteroseismology of β Hydri: A Subgiant with a Born-again Dynamo
  The Astrophysical Journal 2024 DOI: 10.3847/1538-4357/ad6dd6
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• A New Asteroseismic Kepler Benchmark Constrains the Onset of Weakened Magnetic Braking in Mature Sun-like Stars
  The Astrophysical Journal 2024 DOI: 10.3847/1538-4357/ad4eb1
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• Stellar Cruise Control: Weakened Magnetic Braking Leads to Sustained Rapid Rotation of Old Stars
  The Astrophysical Journal 2024 DOI: 10.3847/1538-4357/ad1516
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• Weakened Magnetic Braking in the Exoplanet Host Star 51 Peg
  The Astrophysical Journal Letters 2024 DOI: 10.3847/2041-8213/ad0a95
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• Asteroseismology and Spectropolarimetry of the Exoplanet Host Star λ Serpentis
  The Astronomical Journal 2023 DOI: 10.3847/1538-3881/acf1f7
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• Overview and Validation of the Asteroseismic Modeling Portal v2.0
  Research Notes of the AAS 2023 DOI: 10.3847/2515-5172/acebef
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• Constraints on Magnetic Braking from the G8 Dwarf Stars 61 UMa and τ Cet
  The Astrophysical Journal Letters 2023 DOI: 10.3847/2041-8213/acce38
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• Temporal variation of the photometric magnetic activity for the Sun and Kepler solar-like stars
  Astronomy & Astrophysics 2023 DOI: 10.1051/0004-6361/202245430
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• The Origin of Weakened Magnetic Braking in Old Solar Analogs
  The Astrophysical Journal Letters 2022 DOI: 10.3847/2041-8213/ac794d
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