NGC 2298 is a globular cluster in the southern constellation of Puppis. Discovered by James Dunlop on May 30, 1826, it is probably a former member of the disputed Canis Major Dwarf galaxy.[3]
| NGC 2298 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Class | VI |
| Constellation | Puppis |
| Right ascension | 06h 48m 59.4s |
| Declination | −36° 00′ 19″ |
| Distance | 34.9 kly (10.7 kpc) |
| Apparent magnitude (V) | 9.3 |
| Physical characteristics | |
| Absolute magnitude | -5.85 |
| Metallicity | = -1.76 ± 0.14 [1] dex |
| Estimated age | 13.2±0.4 Gyr[2] |
| Other designations | Melotte 53 |
![{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}](http://wikimedia.org/api/rest_v1/media/math/render/svg/4c0821bd80891e071c08e7c7ee8e022baedf522c)
The cluster is being disrupted by the galactic tide, trailing a long tidal tail.[4]
References
External links
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