Evidence for Metallicity-Dependant Spin Evolution in the Kepler field

Abstract

A curious rotation period distribution in the Color-Magnitude-Period Diagram (CMPD) of the Kepler field was recently revealed, thanks to data from Gaia and Kepler spacecraft. It was found that redder and brighter stars are spinning slower than the rest of the main sequence. On the theoretical side, it was demonstrated that metallicity should affect the rotational evolution of stars as well as their evolution in the Hertzprung-Rüssel or Color-Magnitude diagram. In this work we combine this dataset with medium and high resolution spectroscopic metallicities and carefully select main sequence single stars in a given mass range. We show that the structure seen in the CMPD also corresponds to a broad correlation between metallicity and rotation, such that stars with higher metallicity rotate on average more slowly than those with low metallicity. We compare this sample to theoretical rotational evolution models that include a range of different metallicities. They predict a correlation between rotation rate and metallicity that is in the same direction and of about the same magnitude as that observed. Therefore metallicity appears to be a key parameter to explain the observed rotation period distributions. We also discuss a few different ways in which metallicity can affect the observed distribution of rotation period, due to observational biases and age distributions, as well as the effect on stellar wind torques.

arXiv comment13 pages, 10 figures

References in corpus (72)

• SciPy 1.0--Fundamental Algorithms for Scientific Computing in Python
• The Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package
• The Transiting Exoplanet Survey Satellite
• Estimating distances from parallaxes IV: Distances to 1.33 billion stars in Gaia Data Release 2
• The K2 Mission: Characterization and Early results
• The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra
• The PLATO 2.0 Mission
• The First Data Release (DR1) of the LAMOST general survey
• The GALAH Survey: Scientific Motivation
• Rotation Periods of 34,030 Kepler Main-Sequence Stars: The Full Autocorrelation Sample
• On the rotational evolution of solar- and late-type stars, its magnetic origins, and the possibility of stellar gyrochronology
• The Ages of Stars
• The age structure of stellar populations in the solar vicinity. Clues of a two-phase formation history of the Milky Way disk
• The Radial Velocity Experiment (RAVE): Fifth Data Release
• Galactic Reddening in 3D from Stellar Photometry - An Improved Map
• Kepler Eclipsing Binary Stars. VII. The Catalog of Eclipsing Binaries Found in the Entire Kepler Data-Set
• Weakened magnetic braking as the origin of anomalously rapid rotation in old field stars
• Improved angular momentum evolution model for solar-like stars
• The Kepler characterization of the variability among A- and F-type stars. I. General overview
• Revised Radii of Kepler Stars and Planets Using Gaia Data Release 2
• The Second APOKASC Catalog: The Empirical Approach
• Revised Stellar Properties of Kepler Targets for the Q1-17 (DR25) Transit Detection Run
• The Mass-Dependence of Angular Momentum Evolution in Sun-Like Stars
• Magnetic Braking Formulation for Sun-Like Stars: Dependence on Dipole Field Strength and Rotation Rate
• The effect of magnetic topology on thermally-driven winds: towards a general formulation of the braking law
• Accurate parameters of 93 solar-type Kepler targets
• Fast Star, Slow Star; Old Star, Young Star: Subgiant Rotation as a Population and Stellar Physics Diagnostic
• Abundance Estimates for 16 Elements in 6 Million Stars from LAMOST DR5 Low-Resolution Spectra
• 4MOST - 4-metre Multi-Object Spectroscopic Telescope
• Kepler-63b: A Giant Planet in a Polar Orbit around a Young Sun-like Star
• On differential rotation and overshooting in solar-like stars
• First grids of low-mass stellar models and isochrones with self-consistent treatment of rotation : From 0.2 to 1.5 M_\odot at 7 metallicities from PMS to TAMS
• The Factory and The Beehive II. Activity and Rotation in Praesepe and the Hyades
• They might be giants: luminosity class, planet frequency, and planet-metallicity relation of the coolest Kepler target stars
• Surface rotation and photometric activity for Kepler targets I. M and K main-sequence stars
• Stellar Evidence that the Solar Dynamo may be in Transition
• The First APOKASC Catalog of Kepler Dwarf and Subgiant Stars
• Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra
• Label Transfer from APOGEE to LAMOST: Precise Stellar Parameters for 450,000 LAMOST Giants
• High-precision abundances of elements in solar-type stars. Evidence of two distinct sequences in abundance-age relations
• The Sun is less active than other solar-like stars
• Atmospheric Parameters of 169 F, G, K and M-type Stars in the Kepler Field
• Forward Modeling of the Kepler Stellar Rotation Period Distribution: Interpreting Periods from Mixed and Biased Stellar Populations
• The Effect of Combined Magnetic Geometries on Thermally Driven Winds II: Dipolar, Quadrupolar and Octupolar Topologies
• The influence of metallicity on stellar differential rotation and magnetic activity
• Magnetic Evolution and the Disappearance of Sun-like Activity Cycles
• The Impact of Metallicity on the Evolution of Rotation and Magnetic Activity of Sun-Like Stars
• Revisiting long-standing puzzles of the Milky Way: the Sun and its vicinity as typical outer disk chemical evolution
• Chemical Evolution in the Milky Way: Rotation-based ages for APOGEE-Kepler cool dwarf stars
• Testing the Metal of Late-Type Kepler Planet Hosts with Iron-Clad Methods
• Uncertainties in grid-based estimates of stellar mass and radius. SCEPtER: Stellar CharactEristics Pisa Estimation gRid
• A Relationship Between Stellar Age and Spot Coverage
• Magnetic Activity of F-, G-, and K-type Stars in the LAMOST-Kepler Field
• The Effect of Combined Magnetic Geometries on Thermally Driven Winds I: Interaction of Dipolar and Quadrupolar Fields
• Constraining the evolution of stellar rotation using solar twins
• Rotating Stars from Kepler Observed with Gaia DR1
• Kepler Eclipsing Binary Stars. VIII. Identification of False Positive Eclipsing Binaries and Re-extraction of New Light Curves
• The Kepler Follow-Up Observation Program. II. Stellar Parameters from Medium- and High-Resolution Spectroscopy
• Understanding the Limitations of Gyrochronology for Old Field Stars
• Gaia Data Release 2: Rotational modulation in late-type dwarfs
• From Solar to Stellar Brightness Variations: The Effect of Metallicity
• Magnetic braking of Sun-like and low-mass stars: Dependence on coronal temperature
• Stellar Winds and Coronae of Low-mass Pop. II/III Stars
• Rotating Stars from Kepler Observed with Gaia DR2
• How supercritical are stellar dynamos, or why do old main-sequence dwarfs not obey gyrochronology?
• Effect of metallicity on the detectability of rotational periods in solar-like stars
• The GALAH Survey: Temporal Chemical Enrichment of the Galactic Disk
• LAMOST DR1: Stellar parameters and chemical abundances with SP_Ace
• Solar-type Stars Observed by LAMOST and Kepler
• Chemical mixing in low mass stars: I. Rotation against atomic diffusion including radiative accelerations
• Coronae of Zero/Low-Metal Low-Mass Stars
• Chromospheric emission of solar-type stars with asteroseismic ages

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