# Q89309557

> long period variable

**Wikidata**: [Q89309557](https://www.wikidata.org/wiki/Q89309557)  
**Source**: https://4ort.xyz/entity/q89309557


## References

1. SIMBAD
2. The Henry Draper Extension Charts: A catalogue of accurate positions, proper motions, magnitudes and spectral types of 86933 stars
3. General Catalogue of Variable Stars, 3rd ed.
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Early Data Release 3
7. Gaia Data Release 2