# Q81942239
**Wikidata**: [Q81942239](https://www.wikidata.org/wiki/Q81942239)  
**Source**: https://4ort.xyz/entity/q81942239


## 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. The Sixth Data Release of the Sloan Digital Sky Survey
5. Photometric brown-dwarf classification. II. A homogeneous sample of 1361 L and T dwarfs brighter than J = 17.5 with accurate spectral types
6. Gaia Data Release 2
7. Discovery of the first wide L dwarf + giant binary system and eight other ultracool dwarfs in wide binaries