Division of Theoretical Astronomy, National Astronomical Observatory of Japan

Research Highlights

Discovery of a Blue Star at the Location of Supernova 2011dh


An International research team, including Kavli IPMU, University of La Plata, Kyoto University, NAOJ, and so on, discovered a blue (massive) star at the position of Supernova 2011dh about three years after the explosion with the Hubble Space telescope. The detection of this blue star verified the theoretical prediction that the progenitor star of SN 2011dh had been paired with a massive companion star. This discovery will largely advance the understanding of the connection between the binary evolution and supernova explosions.
Please see [the website of Kavli IPMU] for more details.
(Credit -- Top image: Kavli IPMU, Bottom image: NASA/Kavli IPMU/Gaston Folatelli)
A Blue Point Source at the Location of Supernova 2011dh, by Gaston Folatelli, et al., 2014, ApJ Letters, 793, L22 (5pp) [ADS] [arXiv]
Takaya Nozawa [personal website]