Galaxy And Mass Assembly (GAMA): Environment-dependent galaxy stellar mass functions in the low-redshift Universe

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Volume 696 (April 2025)

A&A, 696 (2025) A89

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Table 7.

Best-fit double Schechter function parameters of the cGSMFs of grouped galaxies for different subsamples, as indicated.

Galaxy sample	Halo mass estimator	log M^⋆	α₁	α₂
N_FOF > 4		$(M_{⊙} h_{70}^{- 2})$ $(M_{\odot} \, h_{70}^{-2})$
$log (\frac{M_{lum}}{M_{⊙} h_{70}^{- 1}}) \leq 13.75$ $\log \left(\frac{M_{\mathrm{lum}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 13.75$	`LumB`	10.74 ± 0.04	–0.33 ± 0.22	–1.23 ± 0.11
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 13.75$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 13.75$	`MassA`	10.88 ± 0.03	–0.67 ± 0.12	–1.40 ± 0.18
$log (\frac{M_{lum}}{M_{⊙} h_{70}^{- 1}}) \leq 13.75$ $\log \left(\frac{M_{\mathrm{lum}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 13.75$	`LumBfunc`	10.88 ± 0.03	–0.70 ± 0.12	–1.48 ± 0.20
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 13.75$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 13.75$	`MassAfunc`	10.87 ± 0.03	–0.69 ± 0.11	–1.47 ± 0.19
$13.75 < log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 14.25$ $13.75 < \log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 14.25$	`LumB`	11.12 ± 0.02	–1.01 ± 0.07	–1.01 ± 0.10
$13.75 < log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 14.25$ $13.75 < \log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 14.25$	`MassA`	11.10 ± 0.02	–1.04 ± 0.17	–1.04 ± 0.06
$13.75 < log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 14.25$ $13.75 < \log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 14.25$	`LumBfunc`	11.10 ± 0.02	–1.00 ± 0.02	–1.00 ± 0.04
$13.75 < log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 14.25$ $13.75 < \log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 14.25$	`MassAfunc`	11.08 ± 0.02	–1.01 ± 0.18	–1.01 ± 0.06
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) > 14.25$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) > 14.25$	`LumB`	11.07 ± 0.03	–1.02 ± 0.09	–1.02 ± 0.08
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) > 14.25$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) > 14.25$	`MassA`	11.11 ± 0.02	–1.08 ± 0.07	–1.08 ± 0.06
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) > 14.25$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) > 14.25$	`LumBfunc`	11.06 ± 0.02	–1.04 ± 0.13	–1.04 ± 0.05
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) > 14.25$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) > 14.25$	`MassAfunc`	11.13 ± 0.02	–1.10 ± 0.02	–1.10 ± 0.05

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