Near-infrared and Optical Nebular-phase Spectra of Type Ia Supernovae SN 2013aa and SN 2017cbv in NGC 5643

Autor: Kumar, Sahana, Hsiao, Eric Y., Ashall, Chris, Phillips, Mark M., Morrell, Nidia, Hoeflich, Peter, Burns, Chris R., Galbany, Lluis, Baron, Eddie, Contreras, Carlos, Davis, Scott, Diamond, Tiara, Forster, Francisco, Graham, Melissa L., Karamehmetoglu, Emir, Kirshner, Robert P., Koribalski, Baerbel, Krisciunas, Kevin, Lu, Jing, Marion, G. H., Pessi, Priscila J., Piro, Anthony L., Shahbandeh, Melissa, Stritzinger, Maximillian D, Suntzeff, Nicholas B., Uddin, Syed A.

Publikováno v: Kumar, S, Hsiao, E Y, Ashall, C, Phillips, M M, Morrell, N, Hoeflich, P, Burns, C R, Galbany, L, Baron, E, Contreras, C, Davis, S, Diamond, T, Forster, F, Graham, M L, Karamehmetoglu, E, Kirshner, R P, Koribalski, B, Krisciunas, K, Lu, J, Marion, G H, Pessi, P J, Piro, A L, Shahbandeh, M, Stritzinger, M D, Suntzeff, N B & Uddin, S A 2023 ' Near-infrared and Optical Nebular-phase Spectra of Type Ia Supernovae SN 2013aa and SN 2017cbv in NGC 5643 ' . https://doi.org/10.3847/1538-4357/acad73

We present multi-wavelength time-series spectroscopy of SN 2013aa and SN 2017cbv, two Type Ia supernovae (SNe Ia) on the outskirts of the same host galaxy, NGC 5643. This work utilizes new nebular-phase near-infrared (NIR) spectra obtained by the Car

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https://pure.au.dk/ws/files/296648207/2210.06993v1.pdf