# TZ Herculis

> variable star

**Wikidata**: [Q117024898](https://www.wikidata.org/wiki/Q117024898)  
**Source**: https://4ort.xyz/entity/tz-herculis


## References

1. SIMBAD
2. VizieR
3. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
4. Gaia Early Data Release 3
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 3
7. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South