| NGC 5634 | |
|---|---|
 The globular cluster NGC 5634 imaged by theHubble Space Telescope | |
| Observation data (J2000epoch) | |
| Class | IV[1] |
| Constellation | Virgo |
| Right ascension | 14h 29m 37.28s[2] |
| Declination | −05° 58′ 35.1″[2] |
| Distance | 81.9 ± 3.8 kly (25.12 ± 1.16 kpc)[3] |
| Apparent magnitude (V) | 10.05[2] |
| Physical characteristics | |
| Radius | 2.45' x 2.45'[4] |
| Metallicity | [Fe/H] = −1.8 ± 0.1[3]dex |
| Estimated age | 12.8 ± 0.3 Gyr[3] |
| Other designations | GCl 28, GCRV 8456[2] |
| See also:Globular cluster,List of globular clusters | |
NGC 5634 is aglobular cluster in theconstellationVirgo, located about 82,000light years (25.12kiloparsecs) fromEarth.[2] NGC 5634 has anapparent magnitude of about 10[2] and a diameter of 4 or 5 arcminutes.[4] ItsShapley–Sawyer Concentration Class is IV,[1] meaning the cluster shows intermediate rich concentrations. The star near the upper right is the eleventh-magnitude UCAC2 29844847. There is also a bright orange giant, HD 127119, about 1.3 arcminutes away from the cluster.
The origin of NGC 5634 is somewhat unclear; it was once thought to be a likely member of theSagittarius Dwarf Spheroidal Galaxy,[4] but it may be associated withGaia-Sausage-Enceladus or theHelmi stream instead.[3]
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