NGC 6388
| NGC 6388 | |
|---|---|
 Credit: MPG/ESO telescope | |
| Observation data (J2000 epoch) | |
| Class | III[1][2] |
| Constellation | Scorpius[2] |
| Right ascension | 17h 36m 17.461s[3][4] |
| Declination | −44° 44′ 08.34″[3][4] |
| Distance | 32.3 kilolight-years (10 kiloparsecs)[2] |
| Apparent magnitude (V) | 6.72[2] |
| Apparent dimensions (V) | 6.2 arcmins[2] |
| Physical characteristics | |
| Tidal radius | 6.21 arcmins[5] |
| VHB | 16.85[5] |
| Metallicity | = -0.55[5] dex |
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NGC 6388 is a globular cluster located in the constellation Scorpius. The cluster was discovered by Scottish astronomer James Dunlop on May 13, 1826 using a 22.86 cm (9 in) reflector telescope. Due to its moderate apparent magnitude (+6.72), a telescope is required to see it.
Gallery
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NGC 6388 taken from the Hubble Space Telescope.
References
- ↑ Shapley, Harlow; Sawyer, Helen B. (August 1927). "A Classification of Globular Clusters". Harvard College Observatory Bulletin. 849 (849): 11–14. Bibcode:1927BHarO.849...11S.
- 1 2 3 4 5 "Students for the Exploration and Development of Space (NCG 6388)". Retrieved 26 September 2015.
- 1 2 "SIMBAD Astronomical Database (NGC 6388)". Retrieved 27 September 2015.
- 1 2 "NASA/IPAC Extragalactic Database (NGC 6388)". Retrieved 27 September 2015.
- 1 2 3 "Galactic Globular Clusters Database (NCG 6388)". Retrieved 26 September 2015.
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