Palomar 6

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Palomar 6
Observation data (J2000 epoch)
Class XI
Constellation Ophiuchus
Right ascension 17h 43m 42.20s[1]
Declination −26° 13′ 21.0″[1]
Distance 18.9 kly (5.8 kpc)[2]
Physical characteristics
Mass 2.28×105[2] M
Metallicity  = –0.91[2] dex
See also: Globular cluster, List of globular clusters

Palomar 6 is a loose globular cluster in the constellation Ophiuchus that belongs to the halo of the Milky Way galaxy.

First discovered on the National Geographic Society – Palomar Observatory Sky Survey plates by Robert G. Harrington and Fritz Zwicky,[3] It was catalogued as a globular cluster. One of four globulars known to contain a planetary nebula.


  1. ^ a b "SIMBAD Astronomical Database". Results for Palomar 6. Retrieved 2009-10-04. 
  2. ^ a b c Boyles, J.; et al. (November 2011), "Young Radio Pulsars in Galactic Globular Clusters", The Astrophysical Journal, 742 (1): 51, arXiv:1108.4402Freely accessible, Bibcode:2011ApJ...742...51B, doi:10.1088/0004-637X/742/1/51. 
  3. ^ Abell, George O. (1955). "Globular Clusters and Planetary Nebulae Discovered on the National Geographic Society-Palomar Observatory Sky Survey". Publications of the Astronomical Society of the Pacific. 67 (397): 258. Bibcode:1955PASP...67..258A. doi:10.1086/126815. 

External links[edit]

Coordinates: Sky map 17h 43m 42.20s, −26° 13′ 21.0″