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Table 2

Galaxy properties of the simulated disks at z ~ 0: scale length, metallicity gradient (for stars with age less than 100 Myr), cold gas mass-weighted metallicity average (T < 1.5×104 K), stellar mass (kinematically defined disk stars), cold gas mass, and magnitudes (b and r SDSS filters).

Name Environment Scale length d[Z] d Mean [Z] Stellar disk mass Gas disk mass Mb Mr
(kpc) (dex kpc-1) (M⊙) (M⊙)
Castor loose group 3.88  −0.034  −0.194 7.19×1010 3.32×1010  −21.67  −22.30
Pollux loose group 3.07  −0.052  −0.139 3.45×1010 7.64×109  −20.58  −21.33
Zeus loose group 1.76  −0.044  −0.159 1.03×1010 6.25×109  −19.70  −20.52
Tyndareus loose group 2.27  −0.048  −0.086 1.32×1010 8.38×109  −19.77  −20.61
Apollo loose group 2.86  −0.057  −0.269 6.30×1010 2.25×1010  −21.22  −22.00
Artemis loose group 1.75  −0.047  −0.239 3.24×1010 1.06×1010  −20.52  −21.30
Daphne loose group 2.64  −0.060  −0.139 2.14×1010 1.40×1010  −20.20  −20.92
Leto loose group 1.56  −0.057  −0.207 1.19×1010 7.51×109  −20.32  −21.01
Luke loose group 5.19  −0.035  −0.164 6.61×1010 4.58×1010  −21.30  −22.05
Leia loose group 3.94  −0.019  −0.130 3.03×1010 1.22×1010  −20.22  −21.06
Ben field 3.85  −0.033  −0.272 4.17×1010 2.70×1010  −20.96  −21.67
Tethys field 2.77  −0.050  −0.231 5.12×1010 1.52×1010  −21.24  −21.97
Krios field 2.50  −0.051  −0.204 3.99×1010 1.19×1010  −20.61  −21.43
Atlas field 2.71  −0.042  −0.170 4.38×1010 1.22×1010  −20.88  −21.61
Hyperion field 3.59  −0.040  −0.199 7.66×1010 1.46×1010  −21.24  −22.05
Eos field 1.96  −0.069  −0.279 2.51×1010 1.14×1010  −20.07  −20.87
Helios field 1.56  −0.037  −0.069 6.57×1010 5.26×109  −21.01  −21.93
Selene field 3.54  −0.061  −0.244 5.20×1010 1.66×1010  −20.83  −21.56
Oceanus field 6.45  −0.029  −0.103 1.00×1011 2.99×1010  −21.61  −22.39

Notes. Note that for the gas mass and metallicity determinations, spatial cuts are used to exclude satellites.

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