Diversity in extinction laws of Type Ia supernovae measured between $0.2$ and $2\,\mu\mathrm{m}$

R Amanullah,J Johansson, A Goobar,R Ferretti, S Papadogiannakis,T Petrushevska,Peter J Brown,Yi Cao,Carlos Contreras,H Dahle,N Eliasrosa,Johan Peter Uldall Fynbo,Javier Gorosabel,Lucia Guaita, L Hangard,Dale Andrew Howell,Eric Y Hsiao,E Kankare,Mansi M Kasliwal,G Leloudas,Peter Lundqvist,S Mattila,Peter Edward Nugent,Mark M Phillips,Annika Dahlgren Sandberg,V Stanishev,Mark Sullivan,F Taddia,Goran Ostlin,Saghar Asadi,R Herreroillana, J J Jensen, K Karhunen, S Lazarevi,Eskil Varenius, P Santos, S Seethapuram Sridhar,S H J Wallstrom, J Wiegert

Monthly Notices of the Royal Astronomical Society（2015）

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摘要

We present ultraviolet (UV) observations of six nearby Type Ia supernovae (SNe Ia) obtained with the Hubble Space Telescope, three of which were also observed in the near-IR (NIR) with Wide-Field Camera 3. UV observations with the Swift satellite, as well as ground-based optical and NIR data provide complementary information. The combined data set covers the wavelength range 0.2–2 μm. By also incl...

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关键词

circumstellar matter,supernovae: general,supernovae: individual: SNe 2012cg,supernovae: individual: 2012cu,dust, extinction

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