A dust twin of Cas A: cool dust and 21 μm silicate dust feature in the supernova remnant G54.1+0.3

@article{Rho2018ADT,
  title={A dust twin of Cas A: cool dust and 21 $\mu$m silicate dust feature in the supernova remnant G54.1+0.3},
  author={Jeonghee Rho and Haley L. Gomez and A. C. A. Boogert and M. W. L. Smith and Pierre Olivier Lagage and Darren Dowell and Christopher J. R. Clark and Els Peeters and Jan Cami},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2018}
}
  • J. RhoH. Gomez J. Cami
  • Published 25 July 2017
  • Physics, Geology
  • Monthly Notices of the Royal Astronomical Society
We present infrared (IR) and submillimeter observations of the Crab-like supernova remnant (SNR) G54.1+0.3 including 350μm (SHARC-II), 870μm (LABOCA), 70, 100, 160, 250, 350, 500μm (Herschel) and 3-40μm (Spitzer). We detect dust features at 9, 11 and 21μm and a long wavelength continuum dust component. The 21μm dust coincides with [Ar II] ejecta emission, and the feature is remarkably similar to that in Cas A. The IRAC 8μm image including Ar ejecta is distributed in a shell-like morphology… 

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