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 6.

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
		$(M_{⊙} h_{70}^{- 2})$ $(M_{\odot} \, h_{70}^{-2})$
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 12.5$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 12.5$	`MassA`	10.47 ± 0.02	0.14 ± 0.13	–1.25 ± 0.06
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 12.5$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 12.5$	`MassAfunc`	10.47 ± 0.03	0.12 ± 0.16	–1.24 ± 0.07
$12.5 < log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 13$ $12.5 < \log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 13$	`MassA`	10.65 ± 0.03	–0.36 ± 0.10	–1.49 ± 0.12
$12.5 < log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 13$ $12.5 < \log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 13$	`MassAfunc`	10.55 ± 0.03	–0.12 ± 0.14	–1.35 ± 0.09
$13 < log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 13.5$ $13 < \log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 13.5$	`MassA`	10.78 ± 0.03	–0.40 ± 0.14	–1.34 ± 0.12
$13 < log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) \leq 13.5$ $13 < \log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) \leq 13.5$	`MassAfunc`	10.75 ± 0.02	–0.49 ± 0.09	–1.50 ± 0.14
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) > 13.5$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) > 13.5$	`MassA`	11.05 ± 0.01	–0.99 ± 0.04	–0.99 ± 0.08
$log (\frac{M_{dyn}}{M_{⊙} h_{70}^{- 1}}) > 13.5$ $\log \left(\frac{M_{\mathrm{dyn}}}{M_{\odot}\,h^{-1}_{70}}\right) > 13.5$	`MassAfunc`	11.03 ± 0.01	–0.98 ± 0.06	–0.98 ± 0.09

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