NGC 4013
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| HST closeup view of NGC 4013 |
NGC 4013 is an edge-on barred spiral galaxy about 55 million light-years away in theconstellation Ursa Major. The disk of NGC 4013 shows a distinct "peanut"-shaped bulge in long exposure photographs that N-body computer simulations suggest is consistent with a stellar bar seen perpendicular to the line of sight.
Supernova SN 1989Z was discovered on December 30, 1989 at apparent magnitude 12.A recent deep color image of NGC 4013 revealed a looping tidal stream of stars extending over 80 thousand light-years from the Galactic Center. This structure is thought to be the remnants of a smaller galaxy that was torn apart by tidal forces as it collided with NGC 4013.
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| Ring of New Stars in NGC 4013.
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