학술논문
Carnegie Supernova Project: The First Homogeneous Sample of 'Super-Chandrasekhar Mass'/2003fg-like Type Ia Supernova
Document Type
Working Paper
Author
Ashall, C.; Lu, J.; Hsiao, E. Y.; Hoeflich, P.; Phillips, M. M.; Galbany, L.; Burns, C. R.; Contreras, C.; Krisciunas, K.; Morrell, N.; Stritzinger, M. D.; Suntzeff, N. B.; Taddia, F.; Anais, J.; Baron, E.; Brown, P. J.; Busta, L.; Campillay, A.; Castellón, S.; Corco, C.; Davis, S.; Folatelli, G.; Forster, F.; Freedman, W. L.; Gonzaléz, C.; Hamuy, M.; Holmbo, S.; Kirshner, R. P.; Kumar, S.; Marion, G. H.; Mazzali, P.; Morokuma, T.; Nugent, P. E.; Persson, S. E.; Piro, A. L.; Roth, M.; Salgado, F.; Sand, D. J.; Seron, J.; Shahbandeh, M.; Shappee, B. J.
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Subject
Language
Abstract
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