# EGB 6

> planetary nebula

**Wikidata**: [Q87470284](https://www.wikidata.org/wiki/Q87470284)  
**Source**: https://4ort.xyz/entity/q87470284


## References

1. SIMBAD
2. A spectroscopic survey and analysis of bright, hydrogen-rich white dwarfs
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search
5. The SDSS Photometric Catalog, Release 9
6. Gaia Data Release 2