Home > Supernovae > Supernova SN 2012aw in M95 (NGC 3351)

Supernova SN 2012aw in M95 (NGC 3351)

Supernova SN 2012aw is a Type IIP and clearly visible in galaxy M95 in the constellation Leo at magnitude 12.7. It was discovered by The Italian Supernovae Search Project on 16/3/2012 and has rapidly brightened from its discovery magnitude of 15. The original star is thought to have been a red supergiant about 8 times more massive than the sun. This star used up all of its nuclear fuel then collapsed in on itself under intense gravitational forces and at speeds approaching 45,00 miles per second. When the outer layers smashed into the core they crushed it and this sent a massive shock wave back out towards the surface, tearing the star apart in the process and creating the bright supernova that we see. The supernova appears to have reached its maximum brightness now and will probably fade over the coming weeks. It can easily be seen in telescopes of 4″ and greater diameters from good observing locations.  Image taken 25/3/12 8.55 local time via iTelescope.net T07 in Nerpio, Spain. Planewave 17″ CDK, SBIG STL-11000M, 3 x 300 sec Bin 1. RA: 10h 43m 59.9s DEC: 11° 42′ 00″ (J2000)

Categories: Supernovae
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