# IAU Circular

> notices on astronomical phenomena (1920-2017)

**Wikidata**: [Q12058137](https://www.wikidata.org/wiki/Q12058137)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/IAU_Circular)  
**Source**: https://4ort.xyz/entity/iau-circular


## References

1. [Source](http://www.cbat.eps.harvard.edu/services/IAUC.html)
2. Freebase Data Dumps. 2013