The origin of the elements: a century of progress
JA Johnson, BD Fields… - … transactions of the …, 2020 - royalsocietypublishing.org
This review assesses the current state of knowledge of how the elements were produced in
the Big Bang, in stellar lives and deaths, and by interactions in interstellar gas. We begin …
the Big Bang, in stellar lives and deaths, and by interactions in interstellar gas. We begin …
Betelgeuse just is not that cool: effective temperature alone cannot explain the recent dimming of Betelgeuse
EM Levesque, P Massey - The Astrophysical Journal Letters, 2020 - iopscience.iop.org
We present optical spectrophotometry of the red supergiant (RSG) Betelgeuse from 2020
February 15, during its recent unprecedented dimming episode. By comparing this spectrum …
February 15, during its recent unprecedented dimming episode. By comparing this spectrum …
Standing on the shoulders of giants: New mass and distance estimates for betelgeuse through combined evolutionary, asteroseismic, and hydrodynamic simulations …
We conduct a rigorous examination of the nearby red supergiant Betelgeuse by drawing on
the synthesis of new observational data and three different modeling techniques. Our …
the synthesis of new observational data and three different modeling techniques. Our …
Is Betelgeuse really rotating? Synthetic ALMA observations of large-scale convection in 3D simulations of Red Supergiants
The evolved stages of massive stars are poorly understood, but invaluable constraints can
be derived from spatially resolved observations of nearby red supergiants, such as …
be derived from spatially resolved observations of nearby red supergiants, such as …
Spatially resolved ultraviolet spectroscopy of the Great Dimming of Betelgeuse
AK Dupree, KG Strassmeier, LD Matthews… - The Astrophysical …, 2020 - iopscience.iop.org
Abstract The bright supergiant Betelgeuse (Alpha Orionis, HD 39801) experienced a visual
dimming during 2019 December and the first quarter of 2020, reaching an historic minimum …
dimming during 2019 December and the first quarter of 2020, reaching an historic minimum …
The Red Supergiant Binary Fraction of the Large Magellanic Cloud
KF Neugent, EM Levesque, P Massey… - The Astrophysical …, 2020 - iopscience.iop.org
The binary fraction of unevolved massive stars is thought to be 70%–100% but there are few
observational constraints on the binary fraction of the evolved version of a subset of these …
observational constraints on the binary fraction of the evolved version of a subset of these …
The close circumstellar environment of Betelgeuse-V. Rotation velocity and molecular envelope properties from ALMA
We observed Betelgeuse using ALMA's extended configuration in band 7 (f≈ 340 GHz, λ≈
0.88 mm), resulting in a very high angular resolution of 18 mas. Using a solid body rotation …
0.88 mm), resulting in a very high angular resolution of 18 mas. Using a solid body rotation …
Betelgeuse: a review
JC Wheeler, E Chatzopoulos - Astronomy & Geophysics, 2023 - academic.oup.com
Was Betelgeuse once in a binary star system? What causes it to vary over a vast range of
timescales? Why did it dim dramatically in 2020? When and how will it explode? J. Craig …
timescales? Why did it dim dramatically in 2020? When and how will it explode? J. Craig …
Core-collapse supernovae in dense environments–particle acceleration and non-thermal emission
Supernova remnants (SNRs) are known to accelerate cosmic rays from the detection of non-
thermal emission in radio waves, X-rays, and gamma-rays. However, the ability to accelerate …
thermal emission in radio waves, X-rays, and gamma-rays. However, the ability to accelerate …
The Great Dimming of Betelgeuse seen by the Himawari-8 meteorological satellite
Betelgeuse, one of the most studied red supergiant stars,, dimmed in the optical range by~
1.2 mag between late 2019 and early 2020, reaching a historical minimum,–called 'the Great …
1.2 mag between late 2019 and early 2020, reaching a historical minimum,–called 'the Great …