Messier 4
Globular cluster in the constellation Scorpius. Closest globular cluster.
Also known as M4
- Instance of
- Part of
Overview
All data
58 statements · 74% with external sources · numbers in brackets are citations
- Discovered
- 1746
- Catalog code
- M 4 catalog: Messier object
1
- C 1620-264 catalog: Caldwell catalogue
1
- NGC 6121 catalog: New General Catalogue
1
- Melotte 144 catalog: Melotte Catalogue
- HD 147552 catalog: Henry Draper Catalogue
1
- GCRV 5569 E catalog: General Catalogue of Stellar Radial Velocities
1
- [KPS2012] MWSC 2396 catalog: Global survey of star clusters in the Milky Way. III. 139 new open clusters at high Galactic latitudes
1
- GCl 41 catalog: Catalogue of star clusters and associations + supplements
1
- M 4 catalog: Messier object
- Distance from Earth
- 0.002 Mpc
- Radius
- 35 ly
- Radial velocity
- 71 kilometre per second
- Absolute magnitude
- -7.19
- Right ascension
- 245.8968 degree
- Declination
- -26.5258 degree
- Angular diameter
- 35 arcminute
- Age estimated by a dating method
- 11.5B years
- Mass
- 6.28 M☉
- Right ascension component of proper motion
- -12.48 milliarcsecond per year
- Declination component of proper motion
- -18.99 milliarcsecond per year
- Parallax
- 0.556 milliarcsecond
1
- 0.556 milliarcsecond
On other databases
3 identifiers linking Messier 4 across the web's reference databases