# Q94174331

> star

**Wikidata**: [Q94174331](https://www.wikidata.org/wiki/Q94174331)  
**Source**: https://4ort.xyz/entity/q94174331


## References

1. SIMBAD
2. The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release
3. A strong redshift dependence of the broad absorption line quasar fraction
4. The SDSS Photometric Catalog, Release 9
5. A catalogue of quasars and active nuclei: 13th edition
6. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
7. The SDSS Photometric Catalog, Release 7
8. Gaia Data Release 2