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Abstract We present a large-scale study of stellar rotation for T Tauri stars in the Orion star-forming complex. We use the projected rotational velocity ( v sin ( i ) ) estimations reported by the APOGEE-2 collaboration as well as individual masses and ages derived from the position of the stars in the HR diagram, considering Gaia-EDR3 parallaxes and photometry plus diverse evolutionary models. We find an empirical trend for v sin ( i ) decreasing with age for low-mass stars (0.4M ⊙ < M * < 1.2M ⊙). Our results support the existence of a mechanism linking v sin ( i ) to the presence of accreting protoplanetary disks, responsible for regulating stellar rotation on timescales of about 6 Myr, which is the timescale in which most of the T Tauri stars lose their inner disk. Our results provide important constraints to models of rotation in the early phases of evolution of young stars and their disks.
Physics, T Tauri Stars, FOS: Physical sciences, Astronomy and Astrophysics, Stellar Astrophysics and Exoplanet Studies, Astrophysics, Stars, Computer science, Algorithm, Stellar Rotation, Star Formation in Molecular Clouds and Protoplanetary Disks, Planetary Chronology, Astrophysics - Solar and Stellar Astrophysics, Physics and Astronomy, Physical Sciences, T Tauri star, Young Stellar Objects, Stellar Evolution, TESS light curves, Solar and Stellar Astrophysics (astro-ph.SR), Formation and Evolution of the Solar System
Physics, T Tauri Stars, FOS: Physical sciences, Astronomy and Astrophysics, Stellar Astrophysics and Exoplanet Studies, Astrophysics, Stars, Computer science, Algorithm, Stellar Rotation, Star Formation in Molecular Clouds and Protoplanetary Disks, Planetary Chronology, Astrophysics - Solar and Stellar Astrophysics, Physics and Astronomy, Physical Sciences, T Tauri star, Young Stellar Objects, Stellar Evolution, TESS light curves, Solar and Stellar Astrophysics (astro-ph.SR), Formation and Evolution of the Solar System
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