NGC 4145

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NGC 4145
NGC4145 Spitzer.jpg
Spitzer Space Telescope image of NGC 4145
Observation data (J2000[1] epoch)
ConstellationCanes Venatici[2]
Right ascension 12h 10m 01.52s[1]
Declination39° 53′ 01.9″[1]
Distance68,000,000 light years[2]
Apparent magnitude (V)11.30[3]
Apparent size (V)5.9' x 4.1'[3]
Other designations
UGC 7154[3]

NGC 4145 is a barred spiral galaxy located in the Ursa Major galaxy cluster, 68 million light years from the Earth. The galaxy has little star formation, except on its outer edges. Due to the loss of energy that occurs without star formation, some astronomers predict that the galaxy will degenerate into a lenticular galaxy in the near future. However, the galaxy's interaction with NGC 4151 may "maintain [its] star formation".[2][4]


  1. ^ a b c d e "NED results for object NGC 4145". Retrieved 31 January 2015.
  2. ^ a b c "Barred Spiral Galaxy NGC 4145". Retrieved 30 January 2015.
  3. ^ a b c "NGC 4145". Retrieved 18 February 2015.
  4. ^ "NGC 4145". Retrieved 30 January 2015.