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Probing the kinematic morphology-density relation of early-type galaxies with MaNGA

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arxiv 1708.07843 v1 pith:T35AZRMZ submitted 2017-08-25 astro-ph.GA

J. E. Greene , A. Leauthaud , E. Emsellem , D. Goddard , J. Ge , B. H. Andrews , J. Brinkman , J. R. Brownstein
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J. P. Greco D. Law Y.-T. Lin K. L. Masters M. Merrifield S. More N. Okabe D. P. Schneider D. Thomas D. A. Wake R. Yan N. Drory
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keywords galaxiesearly-typeangularhalokinematiclocalmangamass
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The "kinematic" morphology-density relation for early-type galaxies posits that those galaxies with low angular momentum are preferentially found in the highest-density regions of the universe. We use a large sample of galaxy groups with halo masses 10^12.5 < M_halo < 10^14.5 M_sun/h observed with the Mapping Nearby Galaxies at APO (MaNGA) survey to examine whether there is a correlation between local environment and rotational support that is independent of stellar mass. We find no compelling evidence for a relationship between the angular momentum content of early-type galaxies and either local overdensity or radial position within the group at fixed stellar mass.

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