# A High-resolution Non-detection of Escaping Helium in the Ultrahot Neptune LTT 9779b: Evidence for Weakened Evaporation

> Research article (The Astrophysical Journal Letters, 2024) · cited 15× · AI/ML

**Wikidata**: [openalex:W4391678793](https://www.wikidata.org/wiki/openalex:W4391678793)  
**Source**: https://4ort.xyz/entity/a-high-resolution-non-detection-of-escaping-helium-in-the-ultrahot-neptune-ltt-9779b-evidence-for-weakened-evaporation