NGC 6388

NGC 6388

NGC 6388
NGC 6388 taken from the Hubble Space Telescope
Credit: NASA, ESA, F. Ferraro (University of Bologna)
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
Other designations 47 Tuc,[5] GCL 70, ESO 279-SC2

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.

References

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