activity
20052025
most citedThe stellar and sub-stellar IMF of simple and composite populations

262 citations · 1.1k across the 25 of their papers we have counts for

collaborators

25 papers

astro-ph.GA2025

Investigating the origin of the Milky Way streams. A revised look at their orbital pole distribution in light of precession effects

Elena Asencio, Pavel Kroupa, Ingo Thies

Stellar streams around the Milky Way (MW) can provide valuable insights into its history and substructure formation. Previous studies have suggested that several MW streams could h…

astro-ph.GA2024★ 18 cited

Open star clusters and their asymmetrical tidal tails

Pavel Kroupa, Jan Pflamm-Altenburg, Sergij Mazurenko +4

Stars that evaporate from their star cluster by the energy equipartition process end up either in a leading or a trailing tidal tail. In Newtonian gravitation and for open star clu…

astro-ph.GA2024★ 20 cited

The spin, expansion and contraction of open star clusters

Vikrant V. Jadhav, Pavel Kroupa, Wenjie Wu +2

Empirical constraints on the internal dynamics of open clusters are important for understanding their evolution and evaporation. High precision astrometry from Gaia DR3 are thus us…

astro-ph.CO2023★ 8 cited

The many tensions with dark-matter based models and implications on the nature of the Universe

Pavel Kroupa, Eda Gjergo, Elena Asencio +6

(Abridged) Fundamental tensions between observations and dark-matter based cosmological models have emerged. This updated review has two purposes: to explore new tensions that have…

astro-ph.GA2023★ 15 cited

On the degree of stochastic asymmetry in the tidal tails of star clusters

J. Pflamm-Altenburg, P. Kroupa, I. Thies +4

Context: Tidal tails of star clusters are commonly understood to be populated symmetrically. Recently, the analysis of Gaia data revealed large asymmetries between the leading and…

astro-ph.GA2022★ 21 cited

Simulations of star forming main sequence galaxies in Milgromian gravity

Srikanth T. Nagesh, Pavel Kroupa, Indranil Banik +6

We conduct hydrodynamical MOND simulations of isolated disc galaxies over the stellar mass range using the adaptive mesh refinement code \texts…