# Q82542440

> planetary nebula

**Wikidata**: [Q82542440](https://www.wikidata.org/wiki/Q82542440)  
**Source**: https://4ort.xyz/entity/q82542440


## References

1. SIMBAD
2. Spectroscopic investigation of old planetaries. III. Spectral types, magnitudes, and distances
3. Gaia Data Release 2
4. Catalog of Galactic OB Stars
5. The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search