# PZ Cassiopeiae

> star in the constellation Cassiopeia

**Wikidata**: [Q3888341](https://www.wikidata.org/wiki/Q3888341)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/PZ_Cassiopeiae)  
**Source**: https://4ort.xyz/entity/pz-cassiopeiae


## References

1. SIMBAD
2. M Supergiants in the Perseus Arm
3. On the near-infrared excesses of very cool supergiants
4. Revised MK spectral types for G, K ans M stars
5. The Perkins catalog of revised MK types for the cooler stars
6. Freebase Data Dumps. 2013
7. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
8. The first INTEGRAL-OMC catalogue of optically variable sources
9. Catalogue of Stellar Photometry in Johnson's 11-color system
10. Gaia Early Data Release 3
11. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
12. Gaia Data Release 2