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Supernovae and Relativistic Explosions WG Papers in Preparation

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Early spectra of Type IIb with Shock Cooling (misclassified as Ic-BL)

Leads: Rahul Jayaraman, K-Ryan Hinds

Observations: ZTF photometry, spectroscopy available on Fritz (Gemini, SOAR, NOT, SEDM, etc.)

Brief description: A subset of Type IIb supernovae show high velocities reminiscent of Ic-BL's during their shock cooling phases; this paper will model these events' spectra and light curves to better understand them. The poster child for this is SN2026cha

Status: Early analysis ongoing, sample curation almost done

 

A real-time classifier for superluminous supernovae in the ZTF alert stream

Lead: Etienne Russeil

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  Brief description: Superluminous supernova machine learning classifier. Trained only with public photometry but using private labels.
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Status : In prep. A first draft of the paper can be viewed at here: https://fr.overleaf.com/read/gyzbzdcbfcmw#f2dc8d
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Status : In prep. A first draft of the paper can be viewed at here: <a href="https://fr.overleaf.com/read/gyzbzdcbfcmw#f2dc8d" rel="noopener noreferrer" target="_blank">https://fr.overleaf.com/read/gyzbzdcbfcmw#f2dc8d</a>
 

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TESS x ZTF for LFBOTs

*Leads*: Rahul Jayaraman

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TESS x ZTF for LFBOTs

Leads: Rahul Jayaraman

  Objects: All 14 known LFBOTs
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  Brief description: Searching for late-time flaring in LFBOTs using TESS 200-s cadence data in conjunction with ZTF forced photometry
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Status : Mature draft, circulation forthcoming
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Status : Submitted to journal 6/15/2026
 

Lightcurve Modelling of 2,205 ZTF DR2 SN Ia Supernovae: Implications
for SN Ia Physics and Cosmology

 
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