On the use of the Axelrod formula for thermal electron collisions in Astrophysical Modelling

Authors: Mulholland, Leo P., Bromley, Steven J., Ballance, Connor P., Sim, Stuart A., Ramsbottom, Catherine A.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Physics - Atomic Physics, Physics - Plasma Physics

Access URL: http://arxiv.org/abs/2503.05489

Non-LTE radiative transfer simulations: Improved agreement of the double detonation with normal Type Ia supernovae

Authors: Collins, Christine E., Shingles, Luke J., Sim, Stuart A., Callan, Fionntan P., Gronow, Sabrina, Hillebrandt, Wolfgang, Kromer, Markus, Pakmor, Ruediger, Roepke, Friedrich K.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2411.11643

No rungs attached: A distance-ladder free determination of the Hubble constant through type II supernova spectral modelling

Authors: Vogl, Christian, Taubenberger, Stefan, Csörnyei, Géza, Leibundgut, Bruno, Kerzendorf, Wolfgang E., Sim, Stuart A., Blondin, Stéphane, Flörs, Andreas, Holas, Alexander, Shields, Joshua V., Spyromilio, Jason, Suyu, Sherry H., Hillebrandt, Wolfgang

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2411.04968

Helium as an Indicator of the Neutron-Star Merger Remnant Lifetime and its Potential for Equation of State Constraints

Authors: Sneppen, Albert, Just, Oliver, Bauswein, Andreas, Damgaard, Rasmus, Watson, Darach, Shingles, Luke J., Collins, Christine E., Sim, Stuart A., Xiong, Zewei, Martinez-Pinedo, Gabriel, Soultanis, Theodoros, Vijayan, Vimal

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Nuclear Theory

Access URL: http://arxiv.org/abs/2411.03427

Synthetic Light Curves and Spectra for the Photospheric Phase of a 3D Stripped-Envelope Supernova Explosion Model

Authors: Maunder, Thomas, Callan, Fionntan P., Sim, Stuart A., Heger, Alexander, Müller, Bernhard

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2410.20829

SIROCCO: A Publicly Available Monte Carlo Ionization and Radiative Transfer Code for Astrophysical Outflows

Authors: Matthews, James H., Long, Knox S., Knigge, Christian, Sim, Stuart A., Parkinson, Edward J., Higginbottom, Nick, Mangham, Samuel W., Scepi, Nicolas, Wallis, Austen, Hewitt, Henrietta A., Mosallanezhad, Amin

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Astrophysics of Galaxies, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2410.19908

Collisional and Radiative Data for Tellurium ions in Kilonovae modelling and Laboratory Benchmarks

Authors: Mulholland, Leo Patrick, McNeill, Fiona, Sim, Stuart A., Ballance, Connor P., Ramsbottom, Catherine A.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, Physics - Atomic Physics

Access URL: http://arxiv.org/abs/2410.05958

Helium features are inconsistent with the spectral evolution of the kilonova AT2017gfo

Authors: Sneppen, Albert, Damgaard, Rasmus, Watson, Darach, Collins, Christine E., Shingles, Luke, Sim, Stuart A.

Source: A&A 692, A134 (2024)

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2407.12907

New Radiative and Collisional Atomic Data for Sr {\sc ii} and Y {\sc ii} with application to Kilonova modelling

Authors: Mulholland, Leo, McElroy, Niall, McNeill, Fiona, Sim, Stuart, Ballance, Connor, Ramsbottom, Catherine

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Solar and Stellar Astrophysics, Physics - Atomic Physics, Physics - Chemical Physics

Access URL: http://arxiv.org/abs/2407.01398

State-of-the-art simulations of line-driven accretion disc winds: realistic radiation-hydrodynamics leads to weaker outflows

Authors: Higginbottom, Nick, Scepi, Nicolas, Knigge, Christian, Long, Knox S., Matthews, James H., Sim, Stuart A.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2312.06042

Towards inferring the geometry of kilonovae

Authors: Collins, Christine E., Shingles, Luke J., Bauswein, Andreas, Sim, Stuart A., Soultanis, Theodoros, Vijayan, Vimal, Floers, Andreas, Just, Oliver, Leck, Gerrit, Lioutas, Georgios, Martínez-Pinedo, Gabriel, Sneppen, Albert, Watson, Darach, Xiong, Zewei

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2309.05579

Helium as a signature of the double detonation in Type Ia supernovae

Authors: Collins, Christine E., Sim, Stuart A., Shingles, Luke. J., Gronow, Sabrina, Roepke, Friedrich K., Pakmor, Ruediger, Seitenzahl, Ivo R., Kromer, Markus

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2307.08660

Self-consistent 3D radiative transfer for kilonovae: directional spectra from merger simulations

Authors: Shingles, Luke J., Collins, Christine E., Vijayan, Vimal, Flörs, Andreas, Just, Oliver, Leck, Gerrit, Xiong, Zewei, Bauswein, Andreas, Martínez-Pinedo, Gabriel, Sim, Stuart A.

Source: 2023, ApJL, 954, L41

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2306.17612

Synthetic Light Curves and Spectra from a Self-Consistent 2D Simulation of an Ultra-strippped Supernova

Authors: Maunder, Thomas, Müller, Bernhard, Callan, Fionntan, Sim, Stuart, Heger, Alexander

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2305.17441

Spherical symmetry in the kilonova AT2017gfo/GW170817

Authors: Sneppen, Albert, Watson, Darach, Bauswein, Andreas, Just, Oliver, Kotak, Rubina, Nakar, Ehud, Poznanski, Dovi, Sim, Stuart

Source: Nature, Febuary 16th 2023: https://www.nature.com/articles/s41586-022-05616-x

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2302.06621

StaNdaRT: A repository of standardized test models and outputs for supernova radiative transfer

Authors: Blondin, Stéphane, Blinnikov, Sergei, Callan, Fionntan P., Collins, Christine E., Dessart, Luc, Even, Wesley, Flörs, Andreas, Fullard, Andrew G., Hillier, D. John, Jerkstrand, Anders, Kasen, Daniel, Katz, Boaz, Kerzendorf, Wolfgang, Kozyreva, Alexandra, O'Brien, Jack, Pássaro, Ezequiel A., Roth, Nathaniel, Shen, Ken J., Shingles, Luke, Sim, Stuart A., Singhal, Jaladh, Smith, Isaac G., Sorokina, Elena, Utrobin, Victor P., Vogl, Christian, Williamson, Marc, Wollaeger, Ryan, Woosley, Stan E., Wygoda, Nahliel

Source: A&A 668, A163 (2022)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2209.11671

3D radiative transfer kilonova modelling for binary neutron star merger simulations

Authors: Collins, Christine E., Bauswein, Andreas, Sim, Stuart A., Vijayan, Vimal, Martínez-Pinedo, Gabriel, Just, Oliver, Shingles, Luke J., Kromer, Markus

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2209.05246

Double detonations: variations in Type Ia supernovae due to different core and He shell masses -- II: synthetic observables

Authors: Collins, Christine E., Gronow, Sabrina, Sim, Stuart A., Roepke, Friedrich K.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2209.04305

Modelling the ionisation state of Type Ia supernovae in the nebular-phase

Authors: Shingles, Luke J., Flörs, Andreas, Sim, Stuart A., Collins, Christine E., Roepke, Friedrich K., Seitenzahl, Ivo R., Shen, Ken J.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2203.16561

Optical line spectra of tidal disruption events from reprocessing in optically thick outflows

Authors: Parkinson, Edward J., Knigge, Christian, Matthews, James H., Long, Knox S., Higginbottom, Nick, Sim, Stuart A., Mangham, Samuel W.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2201.01535