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View Full Version : New Class of Stellar Explosion Sings the Blues



Fraser
2011-Jun-09, 12:10 AM
A team of astronomers led by the California Institute of Technology (Caltech) have discovered a new, ultra-bright class of supernova – and it really sings the blues. Possibly one of the most luminous observable objects in the Cosmos, these new types of stellar explosions may help us better understand the origins of starbirth, unravel the [...]

More... (http://www.universetoday.com/86423/new-class-of-stellar-explosion-sings-the-blues/)

George
2011-Jun-09, 03:10 AM
Cool blue, too. It seems to have a rough Planck spectra of about 15,000K or higher. It should look bluish white, I think. The "blue" photon flux is about 2.5x that of the "red" photons, making it about 3.5x more blue flux than our white Sun (relative to the red flux of the Sun). [I used the 2005ab spectra.]