# Messier 9

> globular cluster

**Wikidata**: [Q11258](https://www.wikidata.org/wiki/Q11258)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Messier_9)  
**Source**: https://4ort.xyz/entity/messier-9


## References

1. SIMBAD
2. VizieR
3. [Messier 9](http://www.messier.seds.org/m/m009.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. G2C2 – I. Homogeneous photometry for Galactic globular clusters in SDSS passbands
8. Testing three derivative methods of stellar population synthesis models
9. Hidden subluminous stars among theFAUSTUV sources towards Ophiuchus
10. Space velocities of southern globular clusters. VII. NGC 6397, NGC 6626 (M28), and NGC 6656 (M22)
11. Space velocities of southern globular clusters. VI. Nine clusters in the inner Milky way