Messier 56

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Globular cluster
Messier 56
Photo from the Hubble Space Telescope
Photo from the Hubble Space Telescope
AladinLite
Constellation lyre
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 19 h 16 m 35.5 s
declination + 30 ° 11 ′ 04.2 ″
Appearance
Concentration class X
Brightness  (visual) 8.27 likes
Brightness  (B-band) 8.9 likes
Angular expansion 8.8 '
Color excess
E (BV) (redness)
0.20
Physical data
Integrated spectral type F5
Redshift (−453 ± 3)  ·  10 −6
Radial velocity (−135.7 ± 0.8) km / s
distance 32.9  kLj
(10  kpc ) 
Absolute brightness −7.28 mag
diameter 85 ly
Concentration lg (r t / r c ) 1.37
Metallicity [Fe / H] −1.94
history
discovery Charles Messier
Discovery date February 23, 1779
Catalog names
 M  56 •  NGC  6779 • C 1914 + 300 •  GCl  110 •

Messier 56 (also known as NGC 6779 ) is a +8.27  mag bright globular cluster with an area of ​​8.8 'in the constellation Lyra .

Individual evidence

  1. a b c d e SIMBAD
  2. ^ NED data for the Messier Objects
  3. a b SEDS
  4. https://cseligman.com/text/atlas/ngc67a.htm#6779