# Improved Measurements of the Sun’s Meridional Flow and Torsional Oscillation from Correlation Tracking on MDI and HMI Magnetograms

> Research article (The Astrophysical Journal, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3184825864](https://www.wikidata.org/wiki/openalex:W3184825864)  
**Source**: https://4ort.xyz/entity/improved-measurements-of-the-suns-meridional-flow-and-torsional-oscillation-from-correlation-tracking-on-mdi-and-hmi-mag