NGC 6388

NGC 6388
Credit: MPG/ESO telescope
Observation data (J2000 epoch)
Class	III[1][2]
Constellation	Scorpius[2]
Right ascension	17^h 36^m 17.461^s[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	${\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}$ = -0.55[5] dex

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

1. Shapley, Harlow; Sawyer, Helen B. (August 1927). "A Classification of Globular Clusters". Harvard College Observatory Bulletin. 849 (849): 11–14. Bibcode:1927BHarO.849...11S.
2. "Students for the Exploration and Development of Space (NCG 6388)". Retrieved 26 September 2015.
3. "SIMBAD Astronomical Database (NGC 6388)". Retrieved 27 September 2015.
4. "NASA/IPAC Extragalactic Database (NGC 6388)". Retrieved 27 September 2015.
5. "Galactic Globular Clusters Database (NCG 6388)". Retrieved 26 September 2015.