# Q84459666

> quasar in the constellation Serpens

**Wikidata**: [Q84459666](https://www.wikidata.org/wiki/Q84459666)  
**Source**: https://4ort.xyz/entity/q84459666


## References

1. SIMBAD
2. The SDSS Photometric Catalog, Release 9
3. A catalogue of quasars and active nuclei: 13th edition
4. The SDSS Photometric Catalog, Release 7
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 2
7. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission