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dc.contributor.author
Chen, Ness Mayker
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Tucker, Michael A.
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Hoyer, Nils
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Jha, Saurabh W.
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Kwok, Lindsey A.
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Leroy, Adam K.
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Rosolowsky, Erik
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Ashall, Chris
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Anand, Gagandeep
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Bigiel, Frank
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Boquien, Médéric
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Burns, Chris
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Dale, Daniel
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DerKacy, James M.
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Egorov, Oleg V.
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Galbany, Lluís
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Grasha, Kathryn
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Hoeflich, Peter
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Hsiao, Eric
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Klessen, Ralf S.
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Hassani, Hamid
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Lopez, Laura A.
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Lu, Jing
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Morrell, Nidia Irene
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Orellana, Mariana Dominga
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Pinna, Francesca
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Sarbadhicary, Sumit K.
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Schinnerer, Eva
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Shahbandeh, Melissa
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Stritzinger, Maximilian
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Thilker, David A.
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Williams, Thomas G.
dc.date.available
2024-01-10T11:30:54Z
dc.date.issued
2023-01
dc.identifier.citation
Chen, Ness Mayker; Tucker, Michael A.; Hoyer, Nils; Jha, Saurabh W.; Kwok, Lindsey A.; et al.; Serendipitous Nebular-phase JWST Imaging of SN Ia SN 2021aefx: Testing the Confinement of 56Co Decay Energy; American Astronomical Society; Astrophysical Journal Letters; 944; 2; 1-2023; 1-9
dc.identifier.issn
2041-8205
dc.identifier.uri
http://hdl.handle.net/11336/223121
dc.description.abstract
We present new 0.3-21 μm photometry of SN 2021aefx in the spiral galaxy NGC 1566 at +357 days after B-band maximum, including the first detection of any Type Ia supernova (SN Ia) at >15 μm. These observations follow earlier JWST observations of SN 2021aefx at +255 days after the time of maximum brightness, allowing us to probe the temporal evolution of the emission properties. We measure the fraction of flux emerging at different wavelengths and its temporal evolution. Additionally, the integrated 0.3-14 μm decay rate of Δm0.3-14 = 1.35 ± 0.05 mag/100 days is higher than the decline rate from the radioactive decay of 56Co of ∼1.2 mag/100 days. The most plausible explanation for this discrepancy is that flux is shifting to >14 μm, and future JWST observations of SNe Ia will be able to directly test this hypothesis. However, models predicting nonradiative energy loss cannot be excluded with the present data.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Astronomical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Type Ia supernovae
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supernovae
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spiral galaxies
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Infrared astronomy
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Serendipitous Nebular-phase JWST Imaging of SN Ia SN 2021aefx: Testing the Confinement of 56Co Decay Energy
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-01-08T14:15:56Z
dc.identifier.eissn
2041-8213
dc.journal.volume
944
dc.journal.number
2
dc.journal.pagination
1-9
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Chen, Ness Mayker. Center For Cosmology And Astroparticle Physics; Estados Unidos. Ohio State University; Estados Unidos
dc.description.fil
Fil: Tucker, Michael A.. Ohio State University; Estados Unidos. Center For Cosmology And Astroparticle Physics; Estados Unidos
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Fil: Hoyer, Nils. Donostia International Physics Center; España
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Fil: Jha, Saurabh W.. Rutgers University; Estados Unidos
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Fil: Kwok, Lindsey A.. Rutgers University; Estados Unidos
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Fil: Leroy, Adam K.. Ohio State University; Estados Unidos. Center For Cosmology And Astroparticle Physics; Estados Unidos
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Fil: Rosolowsky, Erik. University of Alberta; Canadá
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Fil: Ashall, Chris. Virginia Polytechnic Institute; Estados Unidos
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Fil: Anand, Gagandeep. Space Telescope Science Institute; Estados Unidos
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Fil: Bigiel, Frank. Universitat Bonn; Alemania
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Fil: Boquien, Médéric. Universidad de Antofagasta (uantof);
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Fil: Burns, Chris. Observatories of the Carnegie Institution for Science; Estados Unidos
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Fil: Dale, Daniel. University of Wyoming; Estados Unidos
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Fil: DerKacy, James M.. Virginia Polytechnic Institute; Estados Unidos
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Fil: Egorov, Oleg V.. Ruprecht Karls Universitat Heidelberg; Alemania
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Fil: Galbany, Lluís. Instituto de Estudios Espaciales de Cataluña; España. Consejo Superior de Investigaciones Científicas; España
dc.description.fil
Fil: Grasha, Kathryn. Australian National University; Australia. Arc Centre Of Excellence For All-sky Astrophysics; Australia
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Fil: Hoeflich, Peter. Florida State University; Estados Unidos
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Fil: Hsiao, Eric. Florida State University; Estados Unidos
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Fil: Klessen, Ralf S.. Ruprecht Karls Universitat Heidelberg; Alemania
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Fil: Hassani, Hamid. University of Alberta; Canadá
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Fil: Lopez, Laura A.. Ohio State University; Estados Unidos. Center For Cosmology And Astroparticle Physics; Estados Unidos
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Fil: Lu, Jing. Florida State University; Estados Unidos
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Fil: Morrell, Nidia Irene. Observatorio Las Campanas ; Carnegie Institution For Science; . Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Fil: Orellana, Mariana Dominga. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Río Negro; Argentina
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Fil: Pinna, Francesca. Max Planck Institute For Astronomy; Alemania
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Fil: Sarbadhicary, Sumit K.. Ohio State University; Estados Unidos. Center For Cosmology And Astroparticle Physics; Estados Unidos
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Fil: Schinnerer, Eva. Max Planck Institute For Astronomy; Alemania
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Fil: Shahbandeh, Melissa. University Johns Hopkins; Estados Unidos. Space Telescope Science Institute; Estados Unidos
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Fil: Stritzinger, Maximilian. University Aarhus; Dinamarca
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Fil: Thilker, David A.. University Johns Hopkins; Estados Unidos
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Fil: Williams, Thomas G.. University of Oxford; Reino Unido
dc.journal.title
Astrophysical Journal Letters
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/journal/2041-8205
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.3847/2041-8213/acb6d8
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