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Audiovisual . 2025
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ZENODO
Audiovisual . 2025
License: CC BY
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Audiovisual . 2025
License: CC BY
Data sources: Datacite
ZENODO
Audiovisual . 2025
License: CC BY
Data sources: Datacite
ZENODO
Audiovisual . 2025
License: CC BY
Data sources: Datacite
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Supplementary videos for the paper titled: Understanding the Drag Torque in Common Envelope Evolution

Authors: Bhattacharyya, Soumik; Chamandy, Luke; Blackman, Eric; Frank, Adam; Liu, Baowei;

Supplementary videos for the paper titled: Understanding the Drag Torque in Common Envelope Evolution

Abstract

Supporting Materials for the paper titled, "Understanding the Drag Torque in Common Envelope Evolution", written by the authors listed in creators. The movies show temporal evolution of several physical quantities (listed below) of a common envelope evolution with an AGB star as primary and a companion of equal mass (0.53 solar mass). The softening radii of AGB core (left) and companion (right) are shown in black circles (yellow, in the torque_density movies). The files with "units_r_over_a" in their names are in r/separation units, while the files with "units_r_sun" are in solar radii units. Here are the quantities shown in the movies: Density: The movies starting with "density" show the pseudocolor plot of density in the orbital plane, with the thick white contour showing density= critical density= 0.006 times maximum density in each frame. The thin grey contours show density = 4 * critical density, 2 * critical density, 0.5 * critical density and 0.25 * critical density. Local Mach number of perturbers: The movies starting with "Mach_p" show the local Mach numbers of the perturbers (azimuthal component of velocity in particle CM frame divided by local sound speed), plotted between 0 and 2 in blue-red colors. The white region shows the transition from subsonic to supersonic (i.e. Mach= 1). The black contour shows density= critical density. Difference over sum of the perturber and gas angular velocity: The movies starting with "Omega_diff_over_sum" show the difference over sum of the angular velocities of perturber and gas. We use the average angular velocity of AGB core and companion for perturber angular velocity. The region is mostly red, showing perturber angular velocity dominating the gas angular velocity, while the pinch of blue at the center is probably due to turbulence. The white region near perturbers suggest that the gas is roughly in corotation in the region. Torque Density: The files starting with "torqure_density" show the torque density on both the particles. The black and white contours respectively show the negatively and positively contributing regions to the drag. The highest contour levels near the particles are +- 10^12 dyn cm^-2, and contours are also plotted for , +- 10^11 dyn cm^-2, +- 10^10 dyn cm^-2, and so on.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Average