Tycho's Supernova: The Culprit Found?

Johnston, Lisa R.
February 2005
Sky & Telescope;Feb2005, Vol. 109 Issue 2, p22
Reports on a study by Pilar Ruiz-Lapuente and colleagues from the University of Barcelona in Spain concerning the companion star that triggered Tycho's supernova. Measurement of the velocities of stars seen in the glowing supernova remnant; Identification of a Sun-like star in the right area using both ground-based telescopes and the Hubble Space Telescope.


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