# TON 11

> quasar in the constellation Cancer

**Wikidata**: [Q80408349](https://www.wikidata.org/wiki/Q80408349)  
**Source**: https://4ort.xyz/entity/q80408349


## References

1. SIMBAD
2. The SDSS Photometric Catalog, Release 9
3. The Sloan Digital Sky Survey quasar catalog. V. Seventh data release
4. The SDSS Photometric Catalog, Release 7
5. Gaia Data Release 2
6. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission