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JWST Observations of SN 2024abup: First Detection of CO in a Broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis

  • Authors: Manisha Shrestha, Lindsey A. Kwok, David J. Sand, Stan Barmentloo, Collin Christy, Anders Jerkstrand, K. Azalee Bostroem, Jennifer E. Andrews, Kate D. Alexander, Yize Dong, 一泽 董, C. E. Fields, Emily Hoang, Griffin Hosseinzadeh, Brian Hsu, Daryl Janzen, Saurabh W. Jha, Joel Johansson, Jeniveve Pearson, M. J. Lundquist, Darshana Mehta, Aidan Martas, Maryam Modjaz, Bernhard Müller, Conor L. Ransome, Aravind P. Ravi, Mathieu Renzo, Nicolás Meza Retamal, Bhagya Subrayan, Nathan Smith, Stefano Valenti, Sergiy Vasylyev, Giacomo Ricigliano, Peter J. Brown, Moira Andrews, Joseph Farah, D. Andrew Howell, Curtis McCully, Megan Newsome, Kathryn Wynn, Ryan Chornock, Natalie LeBaron, Raffaella Margutti, Melissa Shahbandeh, Chris Ashall, Peter Hoeflich

Manisha Shrestha et al 2026 The Astrophysical Journal Letters 1009 .

  • Provider: AAS Journals

Caption: Figure 6.

SN 2024abup compared to model from SUMO. The model is able to reproduce several observed spectral features. However, there are differences in the strength, which is expected as this model is not fine-tuned for this particular case. Overall, the observed continuum is higher than the model for wavelengths greater than ∼3 μm, which could be due to the presence of dust in the SN or the host galaxy or both, which is not included in the model. The shaded region in red shows the CO feature predicted by the model and the observed spectral feature in the same wavelength regime.

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