NGC 6284
| NGC 6284 | |
|---|---|
 NGC 6284 as seen through the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Class | IX |
| Constellation | Ophiuchus |
| Right ascension | 17h 04m 28.747s[1] |
| Declination | −24° 45′ 51.22″[1] |
| Distance | 49900 ly[2] (15300 pc[2]) |
| Apparent magnitude (V) | 7.43[1] |
| Apparent dimensions (V) | 6.2' × 6.2'[3] |
| Physical characteristics | |
| Metallicity | = -1.26[4] dex |
| Estimated age | 13.3~ billion years |
| Other designations | GCl 53, 2MASX J17042874-2445512[1] |
![{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4c0821bd80891e071c08e7c7ee8e022baedf522c)
NGC 6284 is a globular cluster located in the constellation Ophiuchus. It is designated as IX in the galaxy morphological classification scheme and was discovered by the German-born British astronomer William Herschel on 22 May 1784. It is at a distance of 49,900 light years away from earth.[5][3][6][2][7]
The nearby metal-poor star may be a recent runaway from NGC 6284.[8]
See also[]
References[]
- ^ a b c d "NGC 6284". SIMBAD. Centre de données astronomiques de Strasbourg.
- ^ a b c "NGC 6284". Seds. Retrieved 3 October 2015.
- ^ a b "Revised NGC Data for NGC 6284". Seds. Retrieved 3 October 2015.
- ^ William E. Harris. "Catalog of Parameters for Milky Way Globular Clusters". Retrieved 3 February 2017.
- ^ "Object No. 1 - NGC 6284". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015.
- ^ "NGC 6284 (= GCL 53)". cseligman. Retrieved 3 October 2015.
- ^ "The globular cluster NGC 6284". In-the-sky. Retrieved 3 October 2015.
- ^ On the Origin of Metal-poor Stars in the Solar Neighborhood, 2020, arXiv:2007.08514
External links[]
Media related to NGC 6284 at Wikimedia Commons
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- Star cluster stubs
- Globular clusters
- NGC objects
- Ophiuchus (constellation)