Do Kepler Superflare Stars Really Include Slowly Rotating Sun-like Stars?—Results Using APO 3.5 m Telescope Spectroscopic Observations and Gaia-DR2 Data – IOPscience
https://iopscience.iop.org/article/10.3847/1538-4357/ab14e6/meta
Do Kepler Superflare Stars Really Include Slowly Rotating Sun-like Stars?—Results Using APO 3.5 m Telescope Spectroscopic Observations and Gaia-DR2 Data – IOPscience
https://iopscience.iop.org/article/10.3847/1538-4357/ab14e6/meta