Messier 54

Globular Cluster M 54 (NGC 6715), class III, in Sagittarius

[M 54 image]

RA:
18:55:03.33
Dec:
-30:28:47.5
Distance from Sun:
86.4 kly
Distance from Galactic Center:
61.6 kly
Apparent Diameter:
12.0 arc min
Brightness:
7.60 mag vis
Radial Velocity:
+141.3 +/- 0.3 km/s
Diameter:
190 ly
Abs. Mag:
-9.98 Mag vis
Discovered on July 24, 1778 by Charles Messier.

This cluster is probably a member of the Sagittarius Dwarf Elliptical Galaxy (SagDEG), or Sagittarius Dwarf Spheroidal Galaxy (Sgr dSph), the nearby dwarf galaxy discovered in 1994, which is currently in a close and perhaps final encounter before its tidal disruption, with our Milky Way Galaxy.



[MW Globulars] | [NGC] | [DSS] | [SIMBAD] | [ADS] | [GGC-DB]
Hartmut Frommert [contact]
[SEDS]