NGC 5466 explained

NGC 5466
Epoch:J2000
Class:XII
Constellation:Boötes
Dist Ly:51.9abbr=onNaNabbr=on
Appmag V:10.5
Size V:11
V Hb:16.47
Metal Fe:–2.20
Age:13.57 Gyr
Names:C 1403+287, GCl 27, GC 3776, h 1746, H 6.

NGC 5466 is a class XII globular cluster in the constellation Boötes. Located 51,800 light years from Earth and 52,800 light years from the Galactic Center, it was discovered by William Herschel on May 17, 1784, as H VI.9. This globular cluster is unusual insofar as it contains a certain blue horizontal branch of stars, as well as being unusually metal poor like ordinary globular clusters. It is thought to be the source of a stellar stream discovered in 2006, called the 45 Degree Tidal Stream. This star stream is an approximately 1.4° wide star lane extending from Boötes to Ursa Major.

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