Scaling relations in early-type galaxies from integral-field stellar kinematics
M. Cappellari, N. Scott, K. Alatalo, L. Blitz, M. Bois, F. Bournaud,, M. Bureau, R. L. Davies, T. A. Davis, P. T. de Zeeuw, E. Emsellem, J., Falcon-Barroso, S. Khochfar, D. Krajnovic, H. Kuntschner, P.-Y. Lablanche, R., M. McDermid, R. Morganti, T. Naab, M. Sarzi, P. Serra
TL;DR
This paper investigates the origins of scaling relations in early-type galaxies by modeling stellar dynamics using integral-field kinematic data from a large, diverse galaxy sample.
Contribution
It provides detailed dynamical models for a comprehensive sample of early-type galaxies, exploring the physical basis of their scaling relations.
Findings
Identifies key factors influencing galaxy scaling relations.
Shows correlation between stellar kinematics and galaxy mass.
Provides insights into galaxy formation processes.
Abstract
We study the origin of the scaling relations of early-type galaxies (ETGs) by constructing detailed models of the stellar dynamics for the K-band selected, volume-limited ATLAS3D sample of 263 nearby ETGs, spanning a large range of masses and stellar velocity dispersions (60 < sigma < 350 km/s).
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