Journal article
Massive-Star Supernovae as Major Dust Factories
Abstract
We present late-time optical and mid-infrared observations of the Type II supernova 2003gd in the galaxy NGC 628. Mid-infrared excesses consistent with cooling dust in the ejecta are observed 499 to 678 days after outburst and are accompanied by increasing optical extinction and growing asymmetries in the emission-line profiles. Radiative-transfer models show that up to 0.02 solar masses of dust has formed within the ejecta, beginning as early …
Authors
Sugerman BEK; Ercolano B; Barlow MJ; Tielens AGGM; Clayton GC; Zijlstra AA; Meixner M; Speck A; Gledhill TM; Panagia N
Journal
Science, Vol. 313, No. 5784, pp. 196–200
Publisher
American Association for the Advancement of Science (AAAS)
Publication Date
July 14, 2006
DOI
10.1126/science.1128131
ISSN
0036-8075