# Q90465034

> quasar in the constellation Hercules

**Wikidata**: [Q90465034](https://www.wikidata.org/wiki/Q90465034)  
**Source**: https://4ort.xyz/entity/q90465034


## References

1. SIMBAD
2. Constraint on the time variation of the fine-structure constant with the SDSS-III/BOSS DR12 quasar sample
3. A catalogue of quasars and active nuclei: 13th edition
4. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
5. The SDSS Photometric Catalog, Release 7
6. Gaia Data Release 2
7. The SDSS Photometric Catalog, Release 9