- Instance of
- Part of
Overview
All data
39 statements · 90% with external sources · numbers in brackets are citations
- Discovered
- May 28, 1764
1
- May 28, 1764
- Catalog code
- HD 156587 catalog: Henry Draper Catalogue
1
- NGC 6333 catalog: New General Catalogue
1
- M 9 catalog: Messier object
1
- BD-18 4488 catalog: Durchmusterung
1
- GCRV 9989 catalog: General Catalogue of Stellar Radial Velocities
1
- GCl 60 catalog: Catalogue of star clusters and associations + supplements
1
- Melotte 167 catalog: Melotte Catalogue
- C 1716-184 catalog: Caldwell catalogue
1
Show 2 moreShow less
- FAUST 4082 catalog: A catalog of far-ultraviolet point sources detected with the FAUST telescope on Atlas-1
1
- [KPS2012] MWSC 2567 catalog: Global survey of star clusters in the Milky Way. III. 139 new open clusters at high Galactic latitudes
1
- HD 156587 catalog: Henry Draper Catalogue
- Distance from Earth
- 25,800 ly
- Apparent magnitude
- 8.42 astronomical filter: V band
2
Sources- 1.Stated in A Catalog of Parameters for Globular Clusters in the Milky Way
- 2.Stated in SIMBAD
- 9.36 astronomical filter: B band
1
- 7.467 astronomical filter: g' band
- 6.676 astronomical filter: z' band
- 8.42 astronomical filter: V band
- Radius
- 45 ly
1
- 45 ly
- Radial velocity
- 229.1 kilometre per second
- Absolute magnitude
- -7.95
- Metallicity
- -2.3
- -2.1
- -1.65
- Spectral class
- VIII
- Right ascension
- 259.7991 degree
- Declination
- -18.5163 degree
- Right ascension component of proper motion
- -0.57 milliarcsecond per year
- Declination component of proper motion
- -3.7 milliarcsecond per year
On other databases
3 identifiers linking Messier 9 across the web's reference databases