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Carnegie Supernova Project: The First Homogeneous Sample of "Super-Chandrasekhar Mass"/2003fg-like Type Ia Supernova
- Ashall, C;
- Lu, J;
- Hsiao, EY;
- Hoeflich, P;
- Phillips, MM;
- Galbany, L;
- Burns, CR;
- Contreras, C;
- Krisciunas, K;
- Morrell, N;
- Stritzinger, MD;
- Suntzeff, NB;
- Taddia, F;
- Anais, J;
- Baron, E;
- Brown, PJ;
- Busta, L;
- Campillay, A;
- Castellón, S;
- Corco, C;
- Davis, S;
- Folatelli, G;
- Forster, F;
- Freedman, WL;
- Gonzaléz, C;
- Hamuy, M;
- Holmbo, S;
- Kirshner, RP;
- Kumar, S;
- Marion, GH;
- Mazzali, P;
- Morokuma, T;
- Nugent, PE;
- Persson, SE;
- Piro, AL;
- Roth, M;
- Salgado, F;
- Sand, DJ;
- Seron, J;
- Shahbandeh, M;
- Shappee, BJ
- et al.
Published Web Location
https://doi.org/10.48550/arxiv.2106.12140Abstract
We present a multi-wavelength photometric and spectroscopic analysis of thirteen "Super-Chandrasekhar Mass"/2003fg-like type Ia Supernova (SNe~Ia). Nine of these objects were observed by the Carnegie Supernova Project. 2003fg-like have slowly declining light curves ($\Delta m_{15}$(B) $<$1.3 mag), and peak absolute $B$-band magnitudes between $-19
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