# Observing an intermediate-mass black hole GW190521 with minimal assumptions

> Research article (Physical review. D/Physical review. D., 2021) · cited 30× · AI/ML

**Wikidata**: [openalex:W3087871510](https://www.wikidata.org/wiki/openalex:W3087871510)  
**Source**: https://4ort.xyz/entity/observing-an-intermediate-mass-black-hole-gw190521-with-minimal-assumptions