NGC 3201

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Globular cluster
NGC 3201
Image taken by the MPG / ESO 2.2 m telescope
Image taken by the MPG / ESO 2.2 m telescope
AladinLite
Constellation Sails of the ship
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 17 m 36.7 s
declination -46 ° 24 ′ 40 ″
Appearance
Concentration class X
Brightness  (visual) 6.8 likes
Angular expansion 18.2 ′
Physical data
Integrated spectral type F6
Redshift 0.001649 ± 0.000001
Radial velocity 494.0 ± 0.2 km / s
history
discovery James Dunlop
Discovery date May 1, 1826
Catalog names
 NGC  3201 • C 1015-461 •  GCl  15 •  ESO  263-SC26 •  Dun  445 •  GC  2068 • Bennett 44, Caldwell 79, Melotte 99, h 3238

NGC 3201 is a globular cluster in the constellation Sail of the Ship in the southern sky , about 16,000 light-years from the Sun and around 80 light-years across. NGC  3201 has a diameter of 18.2 ′ and an apparent magnitude of 6.8 mag. A team of researchers from the Institute for Astrophysics at the University of Göttingen came across a black hole of around 4.4 solar masses with the help of the precision spectrograph MUSE .

The object was discovered by James Dunlop on May 1, 1826 .

Web links

Individual evidence

  1. NASA / IPAC EXTRAGALACTIC DATABASE
  2. SEDS : NGC 3201
  3. a b VizieR entry
  4. SIMBAD query
  5. ESO: Strange behavior of a star reveals black hole hidden in a huge star cluster January 17, 2018
  6. Spektrum .de: The first black hole discovered in a globular cluster
  7. Seligman