# Abell 39

> nebula

**Wikidata**: [Q26666](https://www.wikidata.org/wiki/Q26666)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Abell_39)  
**Source**: https://4ort.xyz/entity/abell-39


## References

1. SIMBAD
2. Comparison of the effective temperatures, gravities and helium abundances of DAO white dwarfs from Balmer and Lyman line studies
3. Freebase Data Dumps. 2013
4. Optical Spectral Classification of Major Mergers: OH Megamaser Hosts versus Nonmasing (Ultra)Luminous Infrared Galaxies
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)