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Galaxy NGC 4449

This is an irregular dwarf galaxy of the LMC-type. In it right now a global starburst is happening. Which means, that everywhere in the galaxy new stars form with a very high frequency. Thus, NGC 4449 is similar to the earliest galaxies in our universe. Probably the galaxy swallowed a smaller companion not long ago, what could have led to this starburst.

Constellation: Canes Venatici
Distance: 12.5 million light-years
Visual magnitude: 9.4
Diameter: < 20 000 light-years
Type: I

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07/04/2007

     NGC 4449
Photo: NASA, ESA, A. Aloisi (STScI/ESA), and The Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration
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