A Homogeneous Catalog of Oscillating Solar-Type Stars Observed by the Kepler Mission and a New Amplitude Scaling Relation Including Chromospheric Activity

Abstract

We present a homogeneous catalog of global asteroseismic parameters and derived stellar parameters for 765 Kepler main-sequence and subgiant stars. The catalog was produced by re-analyzing all available Kepler DR25 short-cadence data using pySYD, an automated pipeline to extract global asteroseismic parameters. We find 50 new detections, seven of which are also planet candidate host stars. We find excellent agreement between our ${\nu }_{\text{max}}$ and $\Delta \nu$ measurements and literature values, with an average offset of $0.2\pm 0.4\%$ ($\sigma =5\%$) and $0.2\pm 0.7\%$ ($\sigma =2\%$), respectively. In addition, we derive stellar radii and masses with an average precision of $2.7\%$ and $10.4\%$, respectively, and find a mean offset of $0.8\pm 0.2\%$ ($\sigma =6\%$) between our radii derived with asteroseismology and those from Gaia parallaxes. Using spectroscopic $\log R_{\text{HK}}^{\prime }$ activity measurements from Keck/HIRES, we derive an amplitude scaling relation with an activity term for main-sequence and subgiant stars, which successfully predicts amplitudes with a precision of $\approx 8-9\%$. Our work is the largest and most homogeneous asteroseismic catalog of Kepler main-sequence and subgiant stars to date, including a total of 101 stars hosting planet candidates and 451 stars with measured rotation periods.

26 pages, 18 figures, 6 tables, accepted in AJ

References in corpus (46)

• Array Programming with NumPy
• Gaia Data Release 3: Summary of the content and survey properties
• Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics
• KEPLER's First Rocky Planet: Kepler-10b
• Planetary population synthesis coupled with atmospheric escape: a statistical view of evaporation
• Standing on the shoulders of Dwarfs: the Kepler asteroseismic LEGACY sample II - radii, masses, and ages
• A spin-down clock for cool stars from observations of a 2.5-billion-year-old cluster
• Standing on the shoulders of Dwarfs: the $Kepler$ asteroseismic LEGACY sample I - oscillation mode parameters
• CoRoT reveals a magnetic activity cycle in a Sun-like star
• Gaia Data Release 3: Astrophysical parameters inference system (Apsis) I -- methods and content overview
• Mixed modes in red giants: a window on stellar evolution
• Calibrating Gyrochronology using Kepler Asteroseismic targets
• Asteroseismology of the solar analogs 16 Cyg A & B from Kepler observations
• The Gaia-Kepler Stellar Properties Catalog. II. Planet Radius Demographics as a Function of Stellar Mass and Age
• {\em Gaia}-derived luminosities of {\em Kepler} A/F stars and the pulsator fraction across the δ Scuti instability strip
• A precise asteroseismic age and radius for the evolved Sun-like star KIC 11026764
• Surface rotation and photometric activity for Kepler targets. II. G and F main-sequence stars, and cool subgiant stars
• The amplitude of solar oscillations using stellar techniques
• The Mount Wilson Observatory S-index of the Sun
• The First APOKASC Catalog of Kepler Dwarf and Subgiant Stars
• Stellar chromospheric activity of 1,674 FGK stars from the AMBRE-HARPS sample I. A catalogue of homogeneous chromospheric activity
• Automated preparation of Kepler time series of planet hosts for asteroseismic analysis
• Intrinsic photometric characterisation of stellar oscillations and granulation. Solar reference values and CoRoT response functions
• Weakened magnetic braking supported by asteroseismic rotation rates of Kepler dwarfs
• Visibilities and bolometric corrections for stellar oscillation modes observed by Kepler
• Testing the radius scaling relation with $Gaia$ DR2 in the $Kepler$ field
• A 20-Second Cadence View of Solar-Type Stars and Their Planets with TESS: Asteroseismology of Solar Analogs and a Re-characterization of pi Men c
• Creating the Radius Gap without Mass Loss
• Revisiting the impact of stellar magnetic activity on the detectability of solar-like oscillations by Kepler
• Two Views of the Radius Gap and the Role of Light Curve Fitting
• The Origin of Weakened Magnetic Braking in Old Solar Analogs
• Asteroseismology of 36 \emph{Kepler} subgiants -- I. Oscillation frequencies, linewidths and amplitudes
• Asteroseismology of 36 Kepler subgiants -- II: Determining ages from detailed modelling
• Asteroseismology of 1523 misclassified red giants using $\text{Kepler}$ data
• A Catalogue of Solar-Like Oscillators Observed by TESS in 120-second and 20-second Cadence
• Detections of solar-like oscillations in dwarfs and subgiants with Kepler DR25 short-cadence data
• The Curious Case of KOI 4: Confirming Kepler's First Exoplanet
• Asteroseismic stellar activity relations
• Surface magnetism of rapidly rotating red giants: single versus close binary stars
• Asteroseismology and Spectropolarimetry of the Exoplanet Host Star $\lambda$ Serpentis
• Modeling Asteroseismic Yields for the Roman Galactic Bulge Time-Domain Survey
• Absolute Ca II H & K and H-alpha flux measurements of low-mass stars: Extending $R_{\mathrm{HK}}^{\prime }$ to M dwarfs
• The California-Kepler Survey. XI. A Survey of Chromospheric Activity Through the Lens of Precise Stellar Properties
• Magnetic activity of red giants: correlation between the amplitude of solar-like oscillations and chromospheric indicators
• The Swan: Data-Driven Inference of Stellar Surface Gravities for Cool Stars from Photometric Light Curves
• Testing the wavelength dependence of oscillations and granulation in red giants using Kepler and TESS

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• Granulation signatures as seen by Kepler short-cadence data. I. A decoupling between granulation and oscillation timescales for dwarfs
• Pushing the Limit of Asteroseismic Detection for Cool Dwarfs using TESS and Deep Learning