# Messier 28

> Globular cluster

**Wikidata**: [Q13644](https://www.wikidata.org/wiki/Q13644)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Messier_28)  
**Source**: https://4ort.xyz/entity/messier-28


## References

1. SIMBAD
2. VizieR
3. [Messier 28](http://messier.seds.org/m/m028.html)
4. A Catalogue of Star Clusters shown on Franklin-Adams Chart Plates
5. Freebase Data Dumps. 2013
6. A catalog of parameters for globular clusters in the Milky Way
7. Uniting old stellar systems: from globular clusters to giant ellipticals
8. G2C2 – I. Homogeneous photometry for Galactic globular clusters in SDSS passbands
9. Testing three derivative methods of stellar population synthesis models
10. RR Lyrae-based calibration of the Globular Cluster Luminosity Function
11. Space velocities of southern globular clusters. VII. NGC 6397, NGC 6626 (M28), and NGC 6656 (M22)