Kinematics of stellar substructures in the small magellanic cloud (2023)
Journal Article
El Youssoufi, D., Cioni, M. L., Kacharov, N., Bell, C. P. M., Matjevic, G., Bekki, K., …van Loon, J. T. (2023). Kinematics of stellar substructures in the small magellanic cloud. Monthly Notices of the Royal Astronomical Society, 523(1), 347-364. https://doi.org/10.1093/mnras/stad1339

We present a kinematic analysis of the Small Magellanic Cloud using 3700 spectra extracted from the European Southern Observatory archive. We used data from Gaia and near-infrared photometry to select stellar populations and discard Galactic foregrou... Read More about Kinematics of stellar substructures in the small magellanic cloud.

Black hole inconsistencies? (2020)
Working Paper
Austin, J. Black hole inconsistencies?

For large enough astrophysical objects, internal pressures are insufficient to prevent gravitational collapse to sizes smaller than a critical radius where the magnitude of escape velocity is equal to the speed of light. In coordinates natural for di... Read More about Black hole inconsistencies?.

Einstein's Lost Legacy: a Critical Review of Contemporary Physics and Cosmology (2016)
Book
(2016). Einstein's Lost Legacy: a Critical Review of Contemporary Physics and Cosmology

Very low metallicity massive star models: Pre-SN evolution and primary nitrogen production (2006)
Journal Article
Hirschi, R. Very low metallicity massive star models: Pre-SN evolution and primary nitrogen production. https://doi.org/10.1051/0004-6361%3A20065356. Manuscript submitted for publication

Two series of models were computed. The first series consists of 20 solar mass models with varying initial metallicity (Z=0.02 down to Z=10^{-8}) and rotation (V_{ini}=0-600 km/s). The second one consists of models with an initial metallicity of Z=10... Read More about Very low metallicity massive star models: Pre-SN evolution and primary nitrogen production.