# Extragalactic radio source stability and VLBI celestial reference frame: insights from the Allan standard deviation

> Research article (Astronomy and Astrophysics, 2018) · cited 15× · AI/ML

**Wikidata**: [openalex:W2884557233](https://www.wikidata.org/wiki/openalex:W2884557233)  
**Source**: https://4ort.xyz/entity/extragalactic-radio-source-stability-and-vlbi-celestial-reference-frame-insights-from-the-allan-standard-deviation