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Origin and Nature of Dust in the Early Universe
T. Nozawa, T. Kozasa, H. Umeda +8
We present recent advances in theoretical studies of the formation and evolution of dust in primordial supernovae (SNe) that are considered to be the main sources of dust in the ea…
Spitzer Spectral Mapping of Supernova Remnant Cassiopeia A
J. D. T. Smith, Lawrence Rudnick, Tracey Delaney +5
We present the global distribution of fine structure infrared line emission in the Cassiopeia A supernova remnant using data from the Spitzer Space Telescope's Infrared Spectrograp…
Evolution of newly formed dust in Population III supernova remnants and its impact on the elemental composition of Population II.5 stars
Takaya Nozawa, Takashi Kozasa, Asao Habe +5
We investigate the evolution of dust formed in Population III supernovae (SNe) by considering its transport and processing by sputtering within the SN remnants (SNRs). We find that…
Early Formation of Dust in the Ejecta of Type Ib SN 2006jc and Temperature and Mass of the Dust
T. Nozawa, T. Kozasa, N. Tominaga +8
SN 2006jc is a peculiar supernova (SN), in which the formation of dust has been confirmed at an early epoch of ~50 days after the explosion. We investigate the possibility of such…