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Cosmic CARNage II: the evolution of the galaxy stellar mass functionin observations and galaxy formation models

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posted on 2023-06-09, 14:39 authored by Rachel Asquith, Frazer R Pearce, Omar Almaini, Alexander Knebe, Violeta Gonzalez-Perez, Andrew Benson, Jeremy Blaizot, Jorge Carretero, Francisco J Castander, Andrea Cattaneo, Sofía A Cora, Darren J Croton, Julien E Devriendt, Fabio Fontanot, Ignacio D Gargiulo, Will Hartley, Bruno Henriques, Jaehyun Lee, Gary A Mamon, Julian Onions, Nelson D Padilla, Chris Power, Chaichalit Srisawat, Adam R H Stevens, Peter ThomasPeter Thomas, Cristian A Vega-Martínez, Sukyoung K Yi
We present a comparison of the observed evolving galaxy stellar mass functions with the predictions of eight semi-analytic models and one halo occupation distribution model. While most models are able to fit the data at low redshift, some of them struggle to simultaneously fit observations at high redshift. We separate the galaxies into ‘passive’ and ‘star-forming’ classes and find that several of the models produce too many low-mass star-forming galaxies at high redshift compared to observations, in some cases by nearly a factor of 10 in the redshift range 2.5

Funding

Astrophysics and Cosmology - Sussex Consolidated Grant; G1291; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/L000652/1

History

Publication status

  • Published

File Version

  • Published version

Journal

Monthly Notices of the Royal Astronomical Society

ISSN

0035-8711

Publisher

Oxford University Press

Issue

1

Volume

480

Page range

1197-1210

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Astronomy Centre Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2018-08-22

First Open Access (FOA) Date

2018-08-22

First Compliant Deposit (FCD) Date

2018-08-17

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