Wild behaviour near the finish line: the Type Ibn SN 2020able and its stratified environment

arXiv:2608.07661 · astro-ph.HE · Submitted 2026-08-07 · Read on arXiv

L. Tartaglia, E. Cappellaro, G. Valerin, A. Pastorello, S. Benetti, A. Reguitti, L. Tomasella, P. Lundqvist, K. Misra, A. Gangopadhyay, R. Dastidar, B. Ailawadhi, Dimple, B. Kumar, V. K. Jha, M. Singh, N. Elias-Rosa, C. P. Gutiérrez, D. A. Howell, D. Hiramatsu, C. Pellegrino, J. Andrews, D. J. Sand, N. Smith, J. Pearson, S. Wyatt, P. Ochner, Y. -Z. Cai, J. Burke, C. McCully, M. Newsome, E. Padilla Gonzalez

astro-ph.HE

Submitted: 2026-08-07

Updated: 2026-08-11

Comments: Accepted for publication on Astronomy & Astrophysics

Code: https://github.com/guillochon/MOSFiT

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

Abundance — 5× in this paper · explained in 1 episode
Metallicity — 5× in this paper · explained in 3 episodes
Calibration — 4× in this paper · explained in 7 episodes
Core — 4× in this paper · explained in 2 episodes
Devasthal Optical Telescope — 3× in this paper
Elias — 3× in this paper · explained in 2 episodes
Sloan Digital Sky Survey — 3× in this paper
High Energy Astrophysics Science Archive Research Center — 2× in this paper
Nordic Optical Telescope — 2× in this paper
ARIES Devasthal Faint Object Spectrograph and Camera — 1× in this paper
Benchmark — 1× in this paper · explained in 2 episodes
Global Supernova Project — 1× in this paper
Himalayan Faint Object Spectrograph and Camera — 1× in this paper
Multi-messenger Astronomy — 1× in this paper · explained in 3 episodes
Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes
Spectral Signature — 1× in this paper · explained in 2 episodes
Trace — 1× in this paper · explained in 2 episodes

Sources

The Pan-STARRS1 Surveys

Terminology

Sources

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