# Q93678355

> planetary nebula

**Wikidata**: [Q93678355](https://www.wikidata.org/wiki/Q93678355)  
**Source**: https://4ort.xyz/entity/q93678355


## References

1. SIMBAD
2. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
3. The SDSS Photometric Catalog, Release 9
4. Gaia Data Release 2