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the claim

Supernovae last for a characteristic duration of time

the verdict
SUPPORTED
the evidence backs this
Recorded sources
5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that supernovae last for a characteristic duration of time?

Yes. Supernovae exhibit characteristic temporal behaviors, including distinct rise times, decline rates, and plateau phases that astronomers routinely measure and model to classify different types of stellar explosions.

Verdict: SUPPORTED · 5 sources for, 0 against · Last checked

The analysis

The retrieved papers consistently demonstrate that supernovae follow characteristic durations, light curve timescales, plateau phases, and decline rates that can be systematically modeled and categorized across various types of supernovae. There is no contradictory evidence presented regarding whether supernovae have characteristic durations.

Evidence for · 5
The Type I Superluminous Supernova Catalog I: Light Curve Properties, Models, and Catalog Description
2024
Analyzes rise and decline timescales across a large catalog of supernovae.
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Gomez, S., Nicholl, M., Berger, E., Blanchard, P., Villar, V., Rest, S., Hosseinzadeh, G., Aamer, A., Ajay, Y., Athukoralalage, W., Coulter, D., Eftekhari, T., Fiore, A., Franz, N., Fox, O., Gagliano, A., Hiramatsu, D., Howell, D., Hsu, B., Karmen, M., Siebert, M., Konyves-T'oth, R., Kumar, H., McCully, C., Pellegrino, C., Pierel, J., Rest, A., & Wang, Q. (2024). The Type I Superluminous Supernova Catalog I: Light Curve Properties, Models, and Catalog Description..

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More for · 4
Diversity in Hydrogen-rich Envelope Mass of Type II Supernovae. I. Plateau Phase Light-curve Modeling
2024
Models the plateau phase duration of Type II supernovae.
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Fang, Q., Maeda, K., Ye, H., Moriya, T., & Matsumoto, T. (2024). Diversity in Hydrogen-rich Envelope Mass of Type II Supernovae. I. Plateau Phase Light-curve Modeling. doi.org. https://doi.org/10.3847/1538-4357/ad8b19

SN 2015as: A low luminosity Type IIb supernova without an early light curve peak
2018
Monitors the light curve and characteristic timescales of a specific supernova.
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Gangopadhyay, A., Gangopadhyay, A., Misra, K., Pastorello, A., Sahu, D., Tomasella, L., Tartaglia, L., Singh, M., Singh, M., Dastidar, R., Dastidar, R., Srivastav, S., Ochner, P., Brown, P., Anupama, G., Benetti, S., Cappellaro, E., Kumar, B., Kumar, B., & Pandey, S. (2018). SN 2015as: A low luminosity Type IIb supernova without an early light curve peak. doi.org. https://doi.org/10.1093/mnras/sty478

A Systematic Study of Superluminous Supernova Light-curve Models Using Clustering
2019
Examines light-curve timescales and shape properties to characterize supernova diversity.
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Chatzopoulos, E. & Tuminello, R. (2019). A Systematic Study of Superluminous Supernova Light-curve Models Using Clustering. doi.org. https://doi.org/10.3847/1538-4357/ab0ae6

Long Plateau Doth So: How Internal Heating Sources Affect Hydrogen-rich Supernova Light Curves
2024
Investigates the factors affecting the duration of the hydrogen recombination plateau phase.
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Matsumoto, T., Metzger, B. D., & Goldberg, J. A. (2024). Long Plateau Doth So: How Internal Heating Sources Affect Hydrogen-rich Supernova Light Curves. doi.org. https://doi.org/10.3847/1538-4357/ad93a9

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What does the evidence say?

The retrieved papers consistently demonstrate that supernovae follow characteristic durations, light curve timescales, plateau phases, and decline rates that can be systematically modeled and categorized across various types of supernovae. There is no contradictory evidence presented regarding whether supernovae have characteristic durations.

Receipt History
first checked05 Aug 2026
judged → SUPPORTED · 8405 Aug 2026
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