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A list of all the posts and pages found on the site. For you robots out there, there is an XML version available for digesting as well.
Pages
Posts
Future Blog Post
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Blog Post number 4
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 3
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 2
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 1
Published:
This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
portfolio
Portfolio item number 1
Short description of portfolio item number 1
Portfolio item number 2
Short description of portfolio item number 2
publications
The birth and early evolution of a low-mass protostar
Published in Astronomy & Astrophysics, 2023
This paper presents the highest-resolution 3D RHD simulations of protostellar interiors to date, revealing their internal turbulent structure.
Recommended citation: Adnan Ali Ahmad, Mathias González, Patrick Hennebelle, Benoît Commerçon, A&A 680, A23 (2023)
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Formation of low-mass protostars and their circumstellar disks
Published in Astronomy & Astrophysics, 2024
This paper studies the birth of circumstellar disks at sub-AU scales using 3D RHD simulations with unprecedented detail.
Recommended citation: Adnan Ali Ahmad, Mathias González, Patrick Hennebelle, Benoît Commerçon, A&A, 687, A90 (2024)
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Formation and evolution of a protoplanetary disk: Combining observations, simulations, and cosmochemical constraints
Published in Astronomy & Astrophysics, 2024
This review incorporates cosmochemical constraints into a coherent model for the formation and evolution of the protosolar disk.
Recommended citation: Morbidelli et al., A&A, 691, A147 (2024)
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Birth of magnetized low-mass protostars and circumstellar disks
Published in Astronomy & Astrophysics, 2025
This paper studies the birth of a magnetized protostar and circumstellar disk at sub-AU scales using 3D non-ideal MHD simulations.
Recommended citation: Adnan Ali Ahmad, Mathias González, Patrick Hennebelle, Ugo Lebreuilly, Benoît Commerçon, A&A, 696, A238 (2025)
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Brown Dwarf Formation through Gravitational Collapse: Insights from 3D Numerical Simulations
Published in The Astrophysical Journal Letters, 2025
This letter presents the first 3D self-consistent simulations of brown dwarf born through isolated gravitational collapse.
Recommended citation: Adnan Ali Ahmad, Benoît Commerçon, Gilles Chabrier, and Antonin Borderies, ApJL 991 L32 (2025)
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Turn up the light: Radiative efficiency of protostars at birth
Published in Astronomy & Astrophysics, 2025
This letter provides a self-consistent measurement of the radiative efficiency of protostellar shock fronts.
Recommended citation: Asmita Bhandare, Adnan Ali Ahmad, Benoît Commerçon, A&A, 702, L7 (2025)
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talks
French Astronomical Society Meeting (SF2A)
Published:
Conference link. I presented my 3D RHD simulations of protostellar and circumstellar disk birth.
Thesis defense
Published:
Video recording of the PhD defense. I defended my thesis on star formation in front of Romain Teyssier, Rolf Kuiper, Corinne Charbonnel and Evelyne Alecian.
French Astronomical Society Meeting (SF2A)
Published:
Conference link. I presented my 3D non-ideal MHD simulations of protostellar and circumstellar disk birth.
Brown Dwarfs Keep Their Cool
Published:
Conference link. I presented my work on Brown Dwarf formation through gravitational collapse.
Seminar at Collège de France
Published:
Video recording of the seminar. Invited by A. Morbidelli, I presented a seminar on star formation, focusing on gas dynamics within the innermost sub-AU region. My talk presented the mechanisms involved in transporting high-temperature condensates in the early Solar System.
teaching
University teaching assistant (128h)
Undergraduate course, Universtié Paris Cité, 2022
Python programming, signal processing, and fluid mechanics experiments (2022 & 2023).