# NGC 3991

> galaxy

**Wikidata**: [Q1108427](https://www.wikidata.org/wiki/Q1108427)  
**Source**: https://4ort.xyz/entity/ngc-3991


## References

1. SIMBAD
2. VizieR
3. CALIFA, the Calar Alto Legacy Integral Field Area survey
4. Tidally Triggered Star Formation in Close Pairs of Galaxies. II. Constraints on Burst Strengths and Ages
5. The Updated Zwicky Catalog (UZC)
6. The Two Micron All Sky Survey (2MASS)
7. Galaxy groups: a 2MASS catalog
8. The Star Formation Reference Survey. I. Survey description and basic data