# Rossiter–McLaughlin effect

> spectroscopic phenomenon observed when either an eclipsing binary's secondary star or an extrasolar planet is seen to transit across the face of the primary or parent star.

**Wikidata**: [Q1763739](https://www.wikidata.org/wiki/Q1763739)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Rossiter–McLaughlin_effect)  
**Source**: https://4ort.xyz/entity/rossiter-mclaughlin-effect


## References

1. Freebase Data Dumps. 2013