Dynamical Stellar Mass-to-light Ratio Gradients: Evidence for Very Centrally Concentrated IMF Variations in ETGs?

Dynamical Stellar Mass-to-light Ratio Gradients: Evidence for Very Centrally Concentrated IMF Variations in ETGs?

Evidence from different probes of the stellar initial mass function (IMF) of massive early-type galaxies (ETGs) has repeatedly converged on IMFs more bottom heavy than in the Milky Way (MW). This consensus has come under scrutiny due to often contradictory results from different methods on the level...

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Bibliographic Details
Main Authors: Kianusch Mehrgan, Jens Thomas, Roberto Saglia, Taniya Parikh, Bianca Neureiter, Peter Erwin, Ralf Bender
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal
Subjects:
Galaxy evolution
Early-type galaxies
Galaxy dynamics
Galaxy kinematics
Supermassive black holes
Mass-to-light ratio
Online Access:https://doi.org/10.3847/1538-4357/acfe09

Internet

https://doi.org/10.3847/1538-4357/acfe09

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