# Q81911569
**Wikidata**: [Q81911569](https://www.wikidata.org/wiki/Q81911569)  
**Source**: https://4ort.xyz/entity/q81911569


## References

1. SIMBAD
2. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data
3. The SDSS Photometric Catalog, Release 7
4. Photometric brown-dwarf classification. II. A homogeneous sample of 1361 L and T dwarfs brighter than J = 17.5 with accurate spectral types
5. Gaia Data Release 2