NGC 6638
Globular Cluster NGC 6638, class VI,
in Sagittarius
- RA:
- 18:30:56.10
- Dec:
- -25:29:50.9
- Distance from Sun:
- 30.6 kly
- Distance from Galactic Center:
- 7.2 kly
- Apparent Diameter:
- 6.6 arc min
- Brightness:
- 9.02 mag vis
- Radial Velocity:
- +18.1 +/- 3.9 km/s
- Diameter:
- ly
- Abs. Mag:
- -7.12 Mag vis
Discovered by William Herschel on June 12, 1784.
[MW Globulars] |
[NGC] |
[DSS] |
[SIMBAD] |
[ADS] |
[GGC-DB]
Hartmut Frommert
[contact]
[SEDS]