# The Gravitational-wave Background Null Hypothesis: Characterizing Noise in Millisecond Pulsar Arrival Times with the Parkes Pulsar Timing Array

> Research article (The Astrophysical Journal Letters, 2023) · cited 155× · AI/ML

**Wikidata**: [openalex:W4382358929](https://www.wikidata.org/wiki/openalex:W4382358929)  
**Source**: https://4ort.xyz/entity/the-gravitational-wave-background-null-hypothesis-characterizing-noise-in-millisecond-pulsar-arrival-times-with-the-park