# Is the Black-widow Pulsar PSR J1555–2908 in a Hierarchical Triple System?

> Research article (The Astrophysical Journal Letters, 2022) · cited 10× · AI/ML

**Wikidata**: [openalex:W4221152439](https://www.wikidata.org/wiki/openalex:W4221152439)  
**Source**: https://4ort.xyz/entity/is-the-black-widow-pulsar-psr-j15552908-in-a-hierarchical-triple-system