# Q90942974

> spectroscopic binary in the constellation Cepheus

**Wikidata**: [Q90942974](https://www.wikidata.org/wiki/Q90942974)  
**Source**: https://4ort.xyz/entity/q90942974


## References

1. SIMBAD
2. Metallicity and temperature indicators in M dwarf K-band spectra: testing new and updated calibrations with observations of 133 solar neighborhood M dwarfs
3. The rotation and galactic kinematics of mid M dwarfs in the solar neighborhood
4. Gaia Data Release 2
5. The USNO-B Catalog
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. A near-infrared spectroscopic survey of 886 nearby M dwarfs
8. Rotational velocities for M dwarfs