# Q89399851

> spectroscopic binary in the constellation Ursa Minor

**Wikidata**: [Q89399851](https://www.wikidata.org/wiki/Q89399851)  
**Source**: https://4ort.xyz/entity/q89399851


## References

1. SIMBAD
2. Spectroscopic analyses of metal-poor stars. I. Basic data and stellar parameters
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. The USNO-B Catalog
5. Gaia Data Release 2
6. An absolutely calibrated T_eff_ scale from the infrared flux method. Dwarfs and subgiants