Credit: ShaRA Team
Astronomical and Imaging Data
| RA: | 01h 03m 14.26s |
| DEC: | -70° 50′ 55.6″ |
| MAG: | 6.04 |
| Diameter: | 14′ |
| Const: | Tuc |
| OTA | Nikon 100 |
| Focal Length | 200mm |
| Camera | FLI 16200 |
| Site | Atacama, Chile |
| Sky Quality | Bortle 1 |
Useful Informations
NGC 362 is a globular cluster located in the constellation Tucana, visible from the Southern Hemisphere. While it’s one of the brightest globular clusters, it’s often overshadowed by its more famous and luminous neighbor, 47 Tucanae.
Key Characteristics
- Location and Appearance: Located approximately 27,700 light-years from Earth, NGC 362 appears as a bright, compact sphere of stars. It’s close in the sky to the Small Magellanic Cloud (SMC) but is gravitationally unrelated to it.
- Age and Metallicity: This cluster is a scientifically interesting object because of its unusual properties. It has a higher metallicity (the abundance of elements heavier than helium) than most other globular clusters, which suggests it is relatively younger. While most globular clusters are over 12 billion years old, NGC 362 is estimated to be around 10-11 billion years old, making it one of the younger globular clusters in our galaxy.
- Stellar Population: Due to its high stellar density, NGC 362 is a dynamic environment where stars frequently interact. This high-density core has an overabundance of binary stars, which can lead to the formation of exotic stellar systems like blue straggler stars and X-ray binaries. The presence of these unique stellar populations provides clues about the cluster’s evolutionary history and the effects of stellar interactions.
- Orbit: NGC 362 has a highly eccentric orbit that brings it very close to the galactic center, within about 3,260 light-years. This close passage may contribute to its dense, highly concentrated core.