Terzan 7

RA:

19:17:43.92

Dec:

-34:39:27.8

Distance from Sun:

74.3 kly

Distance from Galactic Center:

50.9 kly

Apparent Diameter:

7.3 arc min

Brightness:

12.00 mag vis

Radial Velocity:

+166.0 +/- 4.0 km/s

Diameter:

ly

Abs. Mag:

-5.01 Mag vis

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.

Links

• Terzan Globular Cluster Observations, by Barbara Wilson
• Catalog of Variable Stars in Terzan 7 (Christine Clement)

• Agop Terzan, 1968. Six nouveaux amas stellaires (Terzan 3-8) dans la region du centre de la Voie lactee et les constellations du Scorpion et du Sagittaire (Six new star clusters (Terzan 3-8) in the region of the center of the Milky Way and the constellations Scorpius and Sagittarius). C.R. Acad. Sci. Ser. B, 267, pp. 1245-1248 [ADS: 1968CRB...267.1245T]