| NGC 6139 | |
|---|---|
 NGC 6139, imaged by theHubble Space Telescope | |
| Observation data (J2000epoch) | |
| Class | II[1] |
| Constellation | Scorpius |
| Right ascension | 16h 27m 41.6s[2] |
| Declination | –38° 50′ 18″[2] |
| Distance | 10.1kiloparsecs (30kilolight-years)[3] |
| Apparent magnitude(V) | +9.68[4] |
| Apparent dimensions(V) | 1.6′ x 1.4′[4] |
| Physical characteristics | |
| See also:Globular cluster,List of globular clusters | |
NGC 6139 is aglobular cluster of theMilky Way in theconstellationScorpius. It is located 3.6kiloparsecs (10kilolight-years) from theGalactic Center[3] (less than half the distance of the Sun from the Galactic Center).
The cluster appears visibly small and requires larger +12" aperture telescopes to view the core. Appearing around 1.5arcmins having a radius of .75arcmins, despite its rather bright magnitude.
![Globular clusters are denser and more spherical than open star clusters.[5]](/mt/?noimg=&dark=on&url=https%3a%2f%2fen.wikipedia.org%2fwiki%2fFile%3aAn_aging_beauty_NGC_6139.jpg)
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