# NGC 2540

> quasar

**Wikidata**: [Q1049622](https://www.wikidata.org/wiki/Q1049622)  
**Source**: https://4ort.xyz/entity/ngc-2540


## References

1. SIMBAD
2. VizieR
3. The EFIGI catalogue of 4458 nearby galaxies with detailed morphology
4. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
5. The Two Micron All Sky Survey (2MASS)
6. Cosmicflows-3
7. Large-scale structures in the zone of avoidance: the Galactic Anticenter region
8. Cosmicflows-2: the data