# PSSRR

- [Stellar Rotation and the Extended Main-sequence Turnoff in the Open Cluster NGC 5822](/website/pssrr/stellar-rotation-and-the-extended-main-sequence-turnoff-in-the-open-cluster-ngc-5822.md)
- [Tidal-locking-induced Stellar Rotation Dichotomy in the Open Cluster NGC 2287?](/website/pssrr/tidal-locking-induced-stellar-rotation-dichotomy-in-the-open-cluster-ngc-2287.md)
- [Extended Main-sequence Turnoffs in the Double Cluster h and χ Persei](/website/pssrr/extended-main-sequence-turnoffs-in-the-double-cluster-h-and-x-persei.md)
- [Binary-driven stellar rotation evolution at the main-sequence turn-off in star clusters](/website/pssrr/binary-driven-stellar-rotation-evolution-at-the-main-sequence-turn-o-in-star-clusters.md)