Messier 68
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(Redirected from NGC 4590)
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| Messier 68 | |
|---|---|
| 250px | |
| Observation data (J2000 epoch) | |
| Class | X[1] |
| Constellation | Hydra |
| Right ascension | 12h 39m 27.98s[2] |
| Declination | –26° 44′ 38.6″[2] |
| Distance | 33.6 kly (10.3 kpc)[3] |
| Apparent magnitude (V) | +9.67[4] |
| Apparent dimensions (V) | 11′.0 |
| Physical characteristics | |
| Mass | 2.23×105[3] M☉ |
| Radius | 53 ly[5] |
| Metallicity | –2.23[3] dex |
| Estimated age | 11.2 Gyr[6] |
| Notable features | Relatively metal poor.[3] |
| Other designations | M68, NGC 4590, GCl 20[4] |
Messier 68 (also known as M68 or NGC 4590) is a globular cluster in the constellation Hydra. It was discovered by Charles Messier in 1780. M68 is at a distance of about 33,000 light-years away from Earth.
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 3.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ distance × sin( diameter_angle / 2 ) = 53 ly. radius
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Globular Cluster M68 @ SEDS Messier pages
- Messier 68, Galactic Globular Clusters Database page
- Messier 68 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Coordinates: 
12h 39m 28.01s, −26° 44′ 34.9″
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