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Wiley, Monthly Notice- Royal Astronomical Society -Letters-, 1(431), p. L43-L47

DOI: 10.1093/mnrasl/slt005

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Herschel limits on far-infrared emission from circumstellar dust around three nearby Type Ia supernovae

Journal article published in 2013 by J. Johansson ORCID, R. Amanullah, A. Goobar
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

We report upper limits on dust emission at far-infrared (IR) wavelengths from three nearby Type Ia supernovae: SNe 2011by, 2011fe and 2012cg. Observations were carried out at 70 um and 160 um with the Photodetector Array Camera and Spectrometer (PACS) on board the Herschel Space Observatory. None of the supernovae were detected in the far-IR, allowing us to place upper limits on the amount of pre-existing dust in the circumstellar environment. Due to its proximity, SN 2011fe provides the tightest constraints, M_dust