# Insights on the Spectral Signatures of Stellar Activity and Planets from PCA

> Research article (The Astrophysical Journal, 2017) · cited 61× · AI/ML

**Wikidata**: [openalex:W2743809634](https://www.wikidata.org/wiki/openalex:W2743809634)  
**Source**: https://4ort.xyz/entity/insights-on-the-spectral-signatures-of-stellar-activity-and-planets-from-pca