# Q78269255

> quasar in the constellation Hercules

**Wikidata**: [Q78269255](https://www.wikidata.org/wiki/Q78269255)  
**Source**: https://4ort.xyz/entity/q78269255


## References

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