NGC 4194

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NGC 4194
A Black Hole in Medusa's Hair A galaxy lies about 110 million light years away..jpg
Observation data (J2000 epoch)
Constellation Ursa Major
Right ascension 12h 14m 09.5s[1]
Declination +54° 31′ 37″[1]
Redshift 2501 ± 1 km/s[1]
Distance 128.8 Mly
Apparent magnitude (V) 16.3g[1]
Type IBm pec[1]
Apparent size (V) 0′.14 × 0′.13[1]
Other designations

UGC 7241,[1] PGC 39068,[1] ARP 160,[1]

Medusa merger,[1] Medusa galaxy merger
See also: Galaxy, List of galaxies

NGC 4194, the Medusa merger, is a pair of interacting galaxies in the constellation Ursa Major.

A region of extreme star formation 500 ly (150 pc) across exists in the center of the Eye of Medusa, the central gas-rich region.[2]


  1. ^ a b c d e f g h i j (NED 2007)
  2. ^ "Unknown extreme star formation discovered". Space Daily. 17 June 2015.


  • NED (January 12, 2007), Results for NGC 4194, Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration

External links[edit]

Coordinates: Sky map 12h 14m 09.5s, +54° 31′ 37″