Explosions of pulsating red supergiants: a natural pathway for the diversity of Type II-P/L supernovae

Abstract

Red supergiants (RSGs), which are progenitors of hydrogen-rich Type II supernovae (SNe), have been known to pulsate from both observations and theory. The pulsations can be present at core collapse and affect the resulting SN. However, SN light curve models of such RSGs commonly use hydrostatic progenitor models and ignore pulsations. Here, we model the final stages of a 15 solar-mass RSG and self-consistently follow the hydrodynamical evolution. We find the growth of large amplitude radial pulsations in the envelope. After a transient phase where the envelope restructures, the pulsations settle to a steady and periodic oscillation with a period of 817 days. We show that they are driven by the $\kappa \gamma$-mechanism, which is an interplay between changing opacities and the release of recombination energy of hydrogen and helium. This leads to complex and non-coherent expansion and contraction in different parts of the envelope, which greatly affect the SN progenitor properties, including its location in the Hertzsprung-Russell diagram. We simulate SN explosions of this model at different pulsations phases. Explosions in the compressed state result in a flat light curve (Type II-P). In contrast, the SN light curve in the expanded state declines rapidly, reminiscent of a Type II-L SN. For cases in between, we find light curves with various decline rates. Features in the SN light curves are directly connected to features in the density profiles. These are in turn linked to the envelope ionization structure, which is the driving mechanism of the pulsations. We predict that some of the observed diversity in Type II SN light curves can be explained by RSG pulsations. For more massive RSGs, we expect stronger pulsations that might even lead to dynamical mass ejections of the envelope and to an increased diversity in SN light curves.

arXiv commentResubmitted to A&A after positive referee report, movies available at https://doi.org/10.5281/zenodo.16876815 ; the companion paper on comparisons with observations can also be found on arXiv arXiv:2508.11077 (Laplace, Bronner et al.)

References in corpus (83)

• SciPy 1.0--Fundamental Algorithms for Scientific Computing in Python
• Array Programming with NumPy
• Astropy: A Community Python Package for Astronomy
• On the variation of the Initial Mass Function
• The Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package
• Modules for Experiments in Stellar Astrophysics (MESA)
• Binary companions of evolved stars in APOGEE DR14: Search method and catalog of ~5,000 companions
• Modules for Experiments in Stellar Astrophysics (MESA): Giant Planets, Oscillations, Rotation, and Massive Stars
• LSST: from Science Drivers to Reference Design and Anticipated Data Products
• Modules for Experiments in Stellar Astrophysics (MESA): Binaries, Pulsations, and Explosions
• A grid of MARCS model atmospheres for late-type stars I. Methods and general properties
• Modules for Experiments in Stellar Astrophysics (MESA): Convective Boundaries, Element Diffusion, and Massive Star Explosions
• Modules for Experiments in Stellar Astrophysics (MESA): Pulsating Variable Stars, Rotation, Convective Boundaries, and Energy Conservation
• Grids of stellar models with rotation - I. Models from 0.8 to 120 Msun at solar metallicity (Z = 0.014)
• Progenitors of core-collapse supernovae
• Mass Loss: Its Effect on the Evolution and Fate of High-Mass Stars
• The death of massive stars - I. Observational constraints on the progenitors of type II-P supernovae
• Mass loss from hot massive stars
• Observational constraints on the progenitors of core-collapse supernovae : the case for missing high mass stars
• Modules for Experiments in Stellar Astrophysics (MESA): Time-Dependent Convection, Energy Conservation, Automatic Differentiation, and Infrastructure
• Observed Fractions of Core-Collapse Supernova Types and Initial Masses of their Single and Binary Progenitor Stars
• Self-similarity and scaling behavior of IR emission from radiatively heated dust: I. Theory
• An empirical formula for the mass-loss rates of dust-enshrouded red supergiants and oxygen-rich Asymptotic Giant Branch stars
• Characterizing the V-band light-curves of hydrogen-rich type II supernovae
• The diversity of Type II supernova versus the similarity in their progenitors
• CMasher: Scientific colormaps for making accessible, informative and 'cmashing' plots
• The empirical metallicity dependence of the mass-loss rate of O- and early B-type stars
• Evolution of massive stars with pulsation-driven superwinds during the RSG phase
• Preparing for an Explosion: Hydrodynamic Instabilities and Turbulence in Presupernovae
• A Simple Approach to the Supernova Progenitor-Explosion Connection
• Towards Characterization of the Type IIP Supernova Progenitor Population: a Statistical Sample of Light Curves from Pan-STARRS1
• Type II-Plateau supernova radiation: dependencies on progenitor and explosion properties
• Hydrodynamical models of Type II-Plateau Supernovae
• Variability in red supergiant stars: pulsations, long secondary periods and convection noise
• A new mass-loss rate prescription for red supergiants
• Photometric and Spectroscopic Properties of Type II-P Supernovae
• Supernovae from Red Supergiants with Extensive Mass Loss
• Caltech Core-Collapse Project (CCCP) Observations of Type II Supernovae: Evidence for Three Distinct Photometric Subtypes
• A Sample of Type II-L Supernovae
• Yellow supergiants as supernova progenitors: an indication of strong mass loss for red supergiants?
• Pre-supernova evolution, compact object masses and explosion properties of stripped binary stars
• The dust condensation sequence in red super-giant stars
• Stellar GADGET: A smooth particle hydrodynamics code for stellar astrophysics and its application to Type Ia supernovae from white dwarf mergers
• Global 3D radiation-hydrodynamics models of AGB stars. Effects of convection and radial pulsations on atmospheric structures
• The luminosities of cool supergiants in the Magellanic Clouds, and the Humphreys-Davidson limit revisited
• Inferring Explosion Properties from Type II-Plateau Supernova Light Curves
• SN2023ixf in Messier 101: A Variable Red Supergiant as the Progenitor Candidate to a Type II Supernova
• Late-Type Red Supergiants: Too Cool for the Magellanic Clouds?
• Episodic mass ejections from common-envelope objects
• A Luminous Red Supergiant and Dusty Long-period Variable Progenitor for SN 2023ixf
• On the photometric and spectroscopic diversity of Type II supernovae
• Interaction Between Convection and Pulsation
• Long period variables in 47 Tuc: direct evidence for lost mass
• A Shock Flash Breaking Out of a Dusty Red Supergiant
• Numerical Simulations of Convective 3-Dimensional Red Supergiant Envelopes
• Analytic, dust-independent mass-loss rates for red supergiant winds initiated by turbulent pressure
• Large dust grains in the wind of VY Canis Majoris
• Mass Loss Evolution and the Formation of Detached Shells around TP-AGB Stars
• Shock Breakout in 3-Dimensional Red Supergiant Envelopes
• Variability of Red Supergiants in M31 from the Palomar Transient Factory
• Non-Uniform Outflow Observed around Infrared Object NML Cygni
• Theoretical Light Curves of Type II-P SNe and Applications to Cosmology
• Signatures of Circumstellar Interaction in the Type IIL Supernova ASASSN-15oz
• The period-luminosity relation of red supergiants with Gaia DR2
• The Great Dimming of Betelgeuse: a Surface Mass Ejection (SME) and its Consequences
• Global 3D radiation-hydrodynamical models of AGB stars with dust-driven winds
• Episodic Gaseous Outflows and Mass Loss from Red Supergiants
• It's written in the massive stars: The role of stellar physics in the formation of black holes
• Luminous Red Nova AT 2019zhd, a new merger in M 31
• The Dusty and Extremely Red Progenitor of the Type II Supernova 2023ixf in Messier 101
• Boil-off of red supergiants: mass loss and type II-P supernovae
• A sequence of Type Ib, IIb, II-L, and II-P supernovae from binary-star progenitors of varying initial separation
• ALMA detection of CO rotational line emission in red supergiant stars of the massive young star cluster RSGC1 -- Determination of a new mass-loss rate prescription for red supergiants
• Red supergiant stars in the Large Magellanic Cloud. II. Infrared properties and mid-infrared variability
• Establishing a mass-loss rate relation for red supergiants in the Large Magellanic Cloud
• The Period-Luminosity Relations of Red Supergiants in M33 and M31
• Probing the Shock Breakout Signal of SN 2024ggi from the Transformation of Early Flash Spectroscopy
• A Massive Star's Dying Breaths: Pulsating Red Supergiants and Their Resulting Type IIP Supernovae
• Properties of self-excited pulsations in 3D simulations of AGB stars and red supergiants
• Is Betelgeuse Really Rotating? Synthetic ALMA Observations of Large-scale Convection in 3D Simulations of Red Supergiants
• Investigating episodic mass loss in evolved massive stars: I. Spectroscopy of dusty massive stars in ten southern galaxies
• Investigating episodic mass loss in evolved massive stars: II. Physical properties of red supergiants at subsolar metallicity
• A new dimension in the variability of AGB stars: convection patterns size changes with pulsation