2026 Data (Information)

Anchoring the Chromospheric Activity-Rotation Relation: A Study of the Pleiades and Group X

Núñez, Alejandro; Agüeros, Marcel Andre; Curtis, Jason L.; Ospinal-Achicanoy, Camilo

This is a repository of long-slit spectra for a sample of stars in the open stellar cluster Group X. The spectra were taken with the MDM Observatory 2.4-m Hiltner telescope on Kitt Peak, AZ. We used the Ohio State Multi-Object Spectrograph (OSMOS) paired with the blue 4K detector and the 1.2 arcsec inner slit.

All the spectra were trimmed, overscan- and bias-corrected, cleaned of cosmic rays, flat-fielded, extracted, dispersion-corrected, and flux-calibrated.