Authors: E O Ofek; M Sullivan; S B Cenko; M M Kasliwal; A Gal-Yam; S R Kulkarni; I Arcavi; L Bildsten; J S Bloom; A Horesh; D A Howell; A V Filippenko; R Laher; D Murray; E Nakar; P E Nugent; J M Silverman; N J Shaviv; J Surace; O Yaron Journal: Nature Date: 2013-02-07 Impact factor: 49.962