# Q77820526

> star in the constellation Hydra

**Wikidata**: [Q77820526](https://www.wikidata.org/wiki/Q77820526)  
**Source**: https://4ort.xyz/entity/q77820526


## References

1. SIMBAD
2. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
3. The DENIS database, 3rd Release
4. The USNO-B Catalog
5. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings
6. The Radial Velocity Experiment (RAVE): fifth data release
7. Observational properties of the metal-poor thick disk of the Milky Way and insights into its origins
8. The Tycho Reference Catalogue
9. Unveiling systematic biases in the 1D LTE excitation-ionization balance of Fe for FGK stars: a novel approach to determination of stellar parameters
10. The Tycho-2 catalogue of the 2.5 million brightest stars