# Q85404219

> white dwarf in the constellation Serpens

**Wikidata**: [Q85404219](https://www.wikidata.org/wiki/Q85404219)  
**Source**: https://4ort.xyz/entity/q85404219


## References

1. SIMBAD
2. SDSS DR7 white dwarf catalog
3. The SDSS Photometric Catalog, Release 7
4. Quasar candidate selection and photometric redshift estimation based on SDSS and UKIDSS data
5. A catalogue of quasars and active nuclei: 13th edition
6. Gaia Data Release 2