TULIPS: A Tool for Understanding the Lives, Interiors, and Physics of Stars


Understanding the lives and interior structures of stellar objects is a fundamental objective of astrophysics. Research in this domain often relies on the visualization of astrophysical data, for instance, the results of theoretical simulations. However, the diagrams commonly employed to this effect are usually static, complex, and can sometimes be non-intuitive or even counter-intuitive to newcomers in the field. To address some of these issues, this paper introduces TULIPS, a python package that generates novel diagrams and animations of the structure and evolution of stellar objects. TULIPS visualizes the output of one-dimensional physical simulations and is currently optimized for the MESA stellar evolution code. Utilizing the inherent spherical symmetry of such simulations, TULIPS represents the physical properties of stellar objects as the attributes of circles. This enables an intuitive representation of the evolution, energy generation and loss processes, composition, and interior properties of stellar objects, while retaining quantitative information. Users can interact with the output videos and diagrams. The capabilities of TULIPS are showcased by example applications that include a Sun-like star, a massive star, a low-metallicity star, and an accreting white dwarf. Diagrams generated with TULIPS are compared to the Hertzsprung-Russell diagram and to the Kippenhahn diagram, and their advantages and challenges are discussed. TULIPS is open source and free. Aside from being a research tool, it can be used for preparing teaching and public outreach material.

SEEK ID: https://publications.h-its.org/publications/1561

DOI: 10.1016/j.ascom.2021.100516

Projects: Stellar Evolution Theory

Publication type: Journal

Journal: Astronomy and Computing

Citation: Astronomy and Computing 38:100516

Date Published: 2022

Registered Mode: by DOI

Author: E. Laplace

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Laplace, E. (2022). TULIPS: A Tool for Understanding the Lives, Interiors, and Physics of Stars. In Astronomy and Computing (Vol. 38, p. 100516). Elsevier BV. https://doi.org/10.1016/j.ascom.2021.100516

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Created: 19th Jan 2023 at 12:46

Last updated: 19th Jan 2023 at 12:46

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