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ZTF 18aaqeasu (SN2018byg): A Massive Helium-shell Double Detonation on a Sub-Chandrasekhar-mass White Dwarf

  • Authors: Kishalay De, Mansi M. Kasliwal, Abigail Polin, Peter E. Nugent, Lars Bildsten, Scott M. Adams, Eric C. Bellm, Nadia Blagorodnova, Kevin B. Burdge, Christopher Cannella, S. Bradley Cenko, Richard G. Dekany, Michael Feeney, David Hale, U. Christoffer Fremling, Matthew J. Graham, Anna Y. Q. Ho, Jacob E. Jencson, S. R. Kulkarni, Russ R. Laher, Frank J. Masci, Adam A. Miller, Maria T. Patterson, Umaa Rebbapragada, Reed L. Riddle, David L. Shupe, and Roger M. Smith

2019 The Astrophysical Journal Letters 873 L18.

  • Provider: AAS Journals

Caption: Figure 3.

Left panel: comparison of the r-band light curve of ZTF 18aaqeasu to other normal and sub-luminous SNe Ia. Right panel: comparison of the g − r and r − i color evolution of ZTF 18aaqeasu (circles are colors derived from spectra, while squares denote colors from photometry) to the same sample of SNe as in the left panel.

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