# Q89004181
**Wikidata**: [Q89004181](https://www.wikidata.org/wiki/Q89004181)  
**Source**: https://4ort.xyz/entity/q89004181


## References

1. SIMBAD
2. Where are all the Sirius-like binary systems?
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. New periodic variable stars coincident with ROSAT sources discovered using SuperWASP
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 2
7. Evidence for an external origin of heavy elements in hot DA white dwarfs