NGC 6934

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Database links to NGC 6934

Globular cluster NGC 6934

SDSS recording, angle of view 8 '× 8'
AladinLite
Constellation	dolphin
Position equinox : J2000.0 , epoch : J2000.0
Right ascension	20 ^h 34 ^m 11.5 ^s
declination	+ 07 ° 24 ′ 15 ″
Appearance
Concentration class	VIII
Brightness (visual)	8.9 likes
Angular expansion	7.1 '
Color excess E (BV) (redness)	0.1
Physical data
Affiliation	Milky Way, Halo Population
Integrated spectral type	F7 / F8
Redshift	−0.001371 ± 0.000005
Radial velocity	−411.4 ± 1.6 km / s
distance	approx. 50,000 ly
Concentration lg (r _t / r _c )	1.53
Metallicity [Fe / H]	−1.54
history
discovery	Wilhelm Herschel
Discovery date	September 24, 1785
Catalog names
NGC 6934 • C 2031 + 072 • GCl 117 • GC 4585/4586, h 2081, HI 103

NGC 6934 is a globular cluster in the constellation Dolphin near the celestial equator . It lies at a distance of 50,000 light years in the outer areas of the Milky Way and has an apparent magnitude of 8.9 mag.

The object was discovered by Wilhelm Herschel on September 24, 1785 .

High-resolution image of the center, taken with the Hubble Space Telescope

Web links

astronews.com: Picture of the day September 30, 2011

Individual evidence