# Q89212445

> spectroscopic binary in the constellation Gemini

**Wikidata**: [Q89212445](https://www.wikidata.org/wiki/Q89212445)  
**Source**: https://4ort.xyz/entity/q89212445


## References

1. SIMBAD
2. Carbon stars from LAMOST DR2 data
3. Second USNO CCD Astrograph Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 2
7. The Open Cluster Chemical Abundances and Mapping Survey. II. Precision Cluster Abundances for APOGEE Using SDSS DR14
8. Velocities and abundances of giant stars in the old open cluster NGC 2420