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Stellar population and dust extinction in an ultraluminous infrared galaxy at z=1.135
K. Kawara, S. Oyabu, Y. Matsuoka +6
We present the detailed optical to far-infrared observations of SST J1604+4304, an ULIRG at z = 1.135. Analyzing the stellar absorption lines, namely, the CaII H & K and Balmer H l…
AKARI Infrared Observations of the Supernova Remnant G292.0+1.8: Unveiling Circumstellar Medium and Supernova Ejecta
Ho-Gyu Lee, Bon-Chul Koo, Dae-Sik Moon +6
We present the results of AKARI observations of the O-rich supernova remnant G292.0+1.8 using six IRC and four FIS bands covering 2.7-26.5 um and 50-180 um, respectively. The AKARI…
Formation and Evolution of Dust in Type IIb Supernova with Application to the Cassiopeia A Supernova Remnant
Takaya Nozawa, Takashi Kozasa, Nozomu Tominaga +4
We investigate the formation of dust grains in the ejecta of a SN IIb and their evolution in the shocked gas in the SNR by considering the uniform and power-law density structures…
Dust Formation in the young core-collapse supernova remnant E0102
J. Rho, W. T. Reach, A. Tappe +4
We present Spitzer IRS and IRAC observations of the young supernova remnant E0102 (SNR 1E0102.2-7219) in the Small Magellanic Cloud. The infrared spectra show strong ejecta lines o…
Dust in Supernovae; Formation and Evolution
Takashi Kozasa, Takaya Nozawa, Nozomu Tominaga +3
Core--collapsed supernovae (CCSNe) have been considered to be one of sources of dust in the universe. What kind and how much mass of dust are formed in the ejecta and are injected…
Dust Formation Observed in Young Supernova Remnants with Spitzer
J. Rho, W. T. Reach, A. Tappe +8
We present dust features and masses observed in young supernova remnants (SNRs) with Spitzer IRS mapping and staring observations of four youngest supernova remnants: SNR 1E102.2-7…