An image of NGC 2146.
|Observation data (J2000 epoch)|
|Right ascension||06h 18m 37.7s|
|Declination||+78° 21′ 25″|
|Redshift||893 ± 5 km/s|
|Apparent magnitude (V)||11.38|
|Apparent size (V)||6′.0 × 3′.4|
|UGC 3429, PGC 18797|
It has a diameter of 80,000 lyr. The galaxy's most conspicuous feature is the dusty lanes of a spiral arm lying across the core of the galaxy as seen from Earth, the arm having been bent 45 degrees by a close encounter with a smaller galaxy possibly NGC 2146a about 0.8 billion years ago. This close encounter is credited with the relatively high rates of star formation that qualify NGC 2146 as a starburst galaxy. It was host to supernova SN 2005V, a type Ib/c supernova discovered by LIRIS on January 30.
- NED (July 16, 2012), Results for search on NGC 2146
- "Feeling the strain". The Hubble European Space Agency Information Centre. 22 August 2011. Retrieved 6 October 2012.
- Mattlla, S; Greimel, R; Meikle, P. "LIRIS Discovers Supernovae in Starburst Galaxies" (PDF). Isaac Newton Group of Telescopes. Retrieved 8 July 2015.
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