M 4

Globular cluster · 6,034 light-years

M 4 is a globular cluster 6,034 light-years away, in Scorpius: an ancient, tightly bound swarm of stars in the Milky Way's halo.

Fly there in 3D

Facts

Also known as	NGC 6121, GCl 41, C 1620-264
Type	Globular cluster
Distance	6,034 light-years
Tidal radius	176 light-years
Core radius	0.836 arcminutes
King concentration	2.079
Absolute magnitude	-5.69
Constellation	Scorpius
Position (J2000)	RA 245.8967°, Dec -26.5257°

In Orrery Space

In galaxy mode, search for it on the map or follow the link above: the autopilot flies there. The cluster is drawn at its catalogued place and size; its individual stars are illustrative.

Sources

Baumgardt et al. 2023, fundamental parameters of Galactic globular clusters (MNRAS)
Celestia 1.7 data files (GPL-2.0-or-later), from which these catalogues were taken

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