PROGENITORS OF TYPE I SLSNe and GRBs David R. Aguilera-Dena In - PowerPoint PPT Presentation

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PROGENITORS OF TYPE I SLSNe and GRBs David R. Aguilera-Dena In collaboration with Norbert Langer, Takashi Moriya & Abel Schootemeijer PROGENITORS OF TYPE I SLSNE & GRBS SLSNe and GRBs have a lot in common! 1. Endpoints of massive stars

PROGENITORS OF TYPE I SLSNe and GRBs David R. Aguilera-Dena In collaboration with Norbert Langer, Takashi Moriya & Abel Schootemeijer
PROGENITORS OF TYPE I SLSNE & GRBS SLSNe and GRBs have a lot in common! 1. Endpoints of massive stars 2. Low metallicity environments 3. H and He free compact progenitors 4. Powered by a central engine 5. No well established progenitor model e.g. Woosley & Bloom 2006, Hjorth et al. 2003, Moriya et al. 2018, Lunnan et al. 2015, Woosley 1993, Usov 1992, Kasen & Bildsten 2010; Woosley 2010
CHEMICALLY HOMOGENEOUS EVOLUTION AT 8M ☉ FAST ROTATION + LOW METALLICITY= CHE (Models from Aguilera-Dena, Langer, Moriya & Schootemeijer 2018) Similar to Yoon et al. 2006, Szécsi et al. 2015
CHEMICALLY HOMOGENEOUS EVOLUTION AT 8M ☉ FAST ROTATION + LOW METALLICITY= CHE (Models from Aguilera-Dena, Langer, Moriya & Schootemeijer 2018) Similar to Yoon et al. 2006, Szécsi et al. 2015
MASS LOSS, CONTRACTION & ROTATION NEUTRINO MEDIATED CONTRACTION+ FAST ROTATION= MASS LOSS & DENSE CSM (Aguilera-Dena, Langer, Moriya & Schootemeijer 2018)
TO BE, OR NOT TO BE (A MAGNETAR)…? O'connor & Ott 2010, Ertl et al. 2016, Sukhbold & Woosley 2014, (Aguilera-Dena & Langer in prep.) Ugliano et al. 2012, Muller et al. 2016 ...
PERIODS AND EJECTA MASSES (Aguilera-Dena & Langer in prep., data from Nicholl et al. 2017)
MAGNETIC FIELDS (Nicholl et al. 2017, Aguilera-Dena & Langer in prep.)
CONCLUSION Rotating stars in low metallicity environments might have different evolutionary channels They could lead to energetic transients like magnetar driven SLSNe and GRBs They will be powered by a central engine but also interact with their CSM

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