دورية أكاديمية
Bayesian model selection for GRB 211211A through multiwavelength analyses
| العنوان: | Bayesian model selection for GRB 211211A through multiwavelength analyses |
|---|---|
| المؤلفون: | Kunert, N., Antier, S., Nedora, V., Bulla, M., Pang, P., Anand, S., Coughlin, M., Tews, I., Barnes, J., Pilloix, M., Kiendrebeogo, W., Dietrich, T. |
| المصدر: | Monthly Notices of the Royal Astronomical Society |
| سنة النشر: | 2023 |
| المجموعة: | Max Planck Society: MPG.PuRe |
| الوصف: | Although being among the closest gamma-ray bursts, GRB 211211A poses challenges for its classification with partially inconclusive electromagnetic signatures. In this paper, we investigate four different astrophysical scenarios as possible progenitors for GRB 211211A: a binary neutron-star merger, a black-hole--neutron-star merger, a core-collapse supernova, and an r-process enriched core collapse of a rapidly rotating massive star (a collapsar). We perform a large set of Bayesian multi-wavelength analyses based on different models and priors to investigate which astrophysical scenarios and processes might have been related to GRB 211211A. Our analysis supports previous studies in which the presence of an additional component, likely related to $r$-process nucleosynthesis, is required to explain the observed light curves of GRB 211211A, as it can not solely be explained as a GRB afterglow. Fixing the distance to about $350~\rm Mpc$, i.e., the distance of the possible host galaxy SDSS J140910.47+275320.8, we find a statistical preference for the binary neutron-star merger scenario and estimate the component masses to be $1.55^{+0.54}_{-0.42} M_{\odot}$ and $1.34^{+0.25}_{-0.40} M_{\odot}$. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | unknown |
| العلاقة: | info:eu-repo/semantics/altIdentifier/arxiv/2301.02049; http://hdl.handle.net/21.11116/0000-000C-8365-ETest; http://hdl.handle.net/21.11116/0000-000C-8367-CTest; http://hdl.handle.net/21.11116/0000-000E-3C67-CTest |
| الإتاحة: | https://doi.org/10.1093/mnras/stad3463Test http://hdl.handle.net/21.11116/0000-000C-8365-ETest http://hdl.handle.net/21.11116/0000-000C-8367-CTest http://hdl.handle.net/21.11116/0000-000E-3C67-CTest |
| حقوق: | info:eu-repo/semantics/openAccess ; http://arxiv.org/licenses/nonexclusive-distrib/1.0Test/ |
| رقم الانضمام: | edsbas.6CDF554D |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |