# Q91139851
**Wikidata**: [Q91139851](https://www.wikidata.org/wiki/Q91139851)  
**Source**: https://4ort.xyz/entity/q91139851


## References

1. SIMBAD
2. A Catalog of Spectroscopically Identified White Dwarfs
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. Evidence for an external origin of heavy elements in hot DA white dwarfs