# Q74887657
**Wikidata**: [Q74887657](https://www.wikidata.org/wiki/Q74887657)  
**Source**: https://4ort.xyz/entity/q74887657


## References

1. SIMBAD
2. New faint optical spectrophotometric standards: hot white dwarfs from the Sloan Digital Sky Survey
3. X-ray-emitting stars identified from the ROSAT All-Sky Survey and the Sloan Digital Sky Survey
4. SDSS DR7 white dwarf catalog
5. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
6. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10
7. The SDSS Photometric Catalog, Release 9
8. The USNO-B Catalog
9. Gaia Data Release 2
10. The SDSS Photometric Catalog, Release 7