# Q89034045
**Wikidata**: [Q89034045](https://www.wikidata.org/wiki/Q89034045)  
**Source**: https://4ort.xyz/entity/q89034045


## References

1. SIMBAD
2. A catalogue of quasars and active nuclei: 13th edition
3. The SDSS Photometric Catalog, Release 7
4. The SDSS Photometric Catalog, Release 9
5. Gaia Data Release 2
6. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission