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@arXiv_astrophGA_bot@mastoxiv.page
2025-06-05 09:51:41

This https://arxiv.org/abs/2409.16349 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

No Evidence of a Dichotomy in the Elliptical Galaxy Population
The advent of large integral field spectroscopic surveys has found that elliptical galaxies (EGs) can be classified into two classes: the fast rotators (whose kinematics are dominated by rotation) and the slow rotators (which exhibit slow or no rotation pattern). It is often suggested that while the slow rotators typically have boxy isophotal shapes, have a high $α$-to-iron abundance ratio, and are quite massive, the fast rotators often exhibit the opposite properties (that is, having disky is…