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Home All issues Volume 508 / No 3 (December IV 2009) A&A, 508 3 (2009) 1217-1234 Full HTML
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Table 2:

STY parameters (with $1\sigma $ errors) for different galaxy samples in different environments: total sample quartiles.
Sample z-bin Number(a) Number(b) $\alpha $ $M^*_{B_{AB}}-5{\rm log}(h_{70})$ $\phi^*$( $10^{-3}\ h_{70}^3\ {\rm Mpc}^{-3}$)
Under-dense environments
Total sample 0.10-0.40 680 655 $-1.16^{{\rm + 0.08}}_{{\rm -0.08}}$ $-20.44^{{\rm + 0.17}}_{{\rm -0.19}}$ $1.62^{{\rm + 0.31}}_{{\rm - 0.29}}$
Type 1 galaxies 0.10-0.40 92 92 $-0.28^{{\rm + 0.29}}_{{\rm -0.28}}$ $-20.34^{{\rm + 0.39}}_{{\rm -0.58}}$ $0.59^{{\rm + 0.09}}_{{\rm - 0.14}}$
        -0.30 fixed $-20.37^{{\rm + 0.18}}_{{\rm -0.21}}$ $0.58^{{\rm + 0.06}}_{{\rm - 0.06}}$
Type 3+4 galaxies 0.10-0.40 499 477 $-1.33^{{\rm + 0.12}}_{{\rm -0.11}}$ $-20.02^{{\rm + 0.22}}_{{\rm -0.26}}$ $1.25^{{\rm + 0.37}}_{{\rm - 0.34}}$
        -1.47 fixed $-20.31^{{\rm + 0.15}}_{{\rm -0.16}}$ $0.85^{{\rm + 0.04}}_{{\rm - 0.04}}$
Total sample 0.40-0.70 675 628 $-1.20^{{\rm + 0.20}}_{{\rm -0.20}}$ $-20.97^{{\rm + 0.26}}_{{\rm -0.33}}$ $0.96^{{\rm + 0.33}}_{{\rm - 0.32}}$
Type 1 galaxies 0.40-0.70 131 127 $-0.88^{{\rm + 0.47}}_{{\rm -0.46}}$ $-21.19^{{\rm + 0.62}}_{{\rm -1.46}}$ $0.21^{{\rm + 0.12}}_{{\rm - 0.14}}$
        -0.30 fixed $-20.50^{{\rm + 0.13}}_{{\rm -0.15}}$ $0.34^{{\rm + 0.03}}_{{\rm - 0.03}}$
Type 3+4 galaxies 0.40-0.70 449 413 $-1.64^{{\rm + 0.26}}_{{\rm -0.25}}$ $-21.26^{{\rm + 0.41}}_{{\rm -0.63}}$ $0.37^{{\rm + 0.29}}_{{\rm - 0.22}}$
        -1.47 fixed $-20.98^{{\rm + 0.13}}_{{\rm -0.14}}$ $0.55^{{\rm + 0.03}}_{{\rm - 0.03}}$
Total sample 0.70-1.00 606 594 $-0.93^{{\rm + 0.36}}_{{\rm -0.35}}$ $-20.73^{{\rm + 0.19}}_{{\rm -0.23}}$ $2.82^{{\rm + 0.41}}_{{\rm - 0.59}}$
Type 1 galaxies 0.70-1.00 129 129 $0.38^{{\rm + 0.84}}_{{\rm -0.82}}$ $-20.34^{{\rm + 0.27}}_{{\rm -0.38}}$ $0.54^{{\rm + 0.17}}_{{\rm - 0.18}}$
        -0.30 fixed $-20.64^{{\rm + 0.11}}_{{\rm -0.12}}$ $0.64^{{\rm + 0.06}}_{{\rm - 0.06}}$
Type 3+4 galaxies 0.70-1.00 365 357 $-1.51^{{\rm + 0.49}}_{{\rm -0.48}}$ $-20.93^{{\rm + 0.31}}_{{\rm -0.42}}$ $1.34^{{\rm + 0.60}}_{{\rm - 0.68}}$
        -1.47 fixed $-20.90^{{\rm + 0.10}}_{{\rm -0.11}}$ $1.40^{{\rm + 0.07}}_{{\rm - 0.07}}$
Over-dense environments
Total sample 0.10-0.40 713 678 $-0.86^{{\rm + 0.07}}_{{\rm -0.07}}$ $-20.90^{{\rm + 0.14}}_{{\rm -0.15}}$ $2.14^{{\rm + 0.27}}_{{\rm - 0.26}}$
Type 1 galaxies 0.10-0.40 264 262 $-0.12^{{\rm + 0.13}}_{{\rm -0.13}}$ $-20.50^{{\rm + 0.15}}_{{\rm -0.17}}$ $1.63^{{\rm + 0.10}}_{{\rm - 0.13}}$
        -0.30 fixed $-20.72^{{\rm + 0.09}}_{{\rm -0.09}}$ $1.44^{{\rm + 0.09}}_{{\rm - 0.09}}$
Type 3+4 galaxies 0.10-0.40 327 298 $-1.34^{{\rm + 0.12}}_{{\rm -0.12}}$ $-20.78^{{\rm + 0.29}}_{{\rm -0.36}}$ $0.51^{{\rm + 0.19}}_{{\rm - 0.17}}$
        -1.47 fixed $-21.10^{{\rm + 0.21}}_{{\rm -0.25}}$ $0.33^{{\rm + 0.02}}_{{\rm - 0.02}}$
Total sample 0.40-0.70 703 684 $-0.81^{{\rm + 0.15}}_{{\rm -0.15}}$ $-21.14^{{\rm + 0.16}}_{{\rm -0.18}}$ $1.34^{{\rm + 0.21}}_{{\rm - 0.22}}$
Type 1 galaxies 0.40-0.70 263 256 $-0.59^{{\rm + 0.24}}_{{\rm -0.24}}$ $-21.36^{{\rm + 0.28}}_{{\rm -0.36}}$ $0.49^{{\rm + 0.09}}_{{\rm - 0.12}}$
        -0.30 fixed $-21.05^{{\rm + 0.09}}_{{\rm -0.09}}$ $0.60^{{\rm + 0.04}}_{{\rm - 0.04}}$
Type 3+4 galaxies 0.40-0.70 306 298 $-1.04^{{\rm + 0.29}}_{{\rm -0.28}}$ $-20.93^{{\rm + 0.28}}_{{\rm -0.36}}$ $0.67^{{\rm + 0.22}}_{{\rm - 0.24}}$
        -1.47 fixed $-21.49^{{\rm + 0.17}}_{{\rm -0.19}}$ $0.32^{{\rm + 0.02}}_{{\rm - 0.02}}$
Total sample 0.70-1.00 656 636 $-1.01^{{\rm + 0.22}}_{{\rm -0.22}}$ $-21.44^{{\rm + 0.16}}_{{\rm -0.18}}$ $1.44^{{\rm + 0.24}}_{{\rm - 0.28}}$
Type 1 galaxies 0.70-1.00 207 202 $-0.48^{{\rm + 0.38}}_{{\rm -0.37}}$ $-21.35^{{\rm + 0.23}}_{{\rm -0.27}}$ $0.49^{{\rm + 0.05}}_{{\rm - 0.09}}$
        -0.30 fixed $-21.24^{{\rm + 0.08}}_{{\rm -0.09}}$ $0.51^{{\rm + 0.04}}_{{\rm - 0.04}}$
Type 3+4 galaxies 0.70-1.00 300 288 $-1.34^{{\rm + 0.43}}_{{\rm -0.42}}$ $-21.38^{{\rm + 0.32}}_{{\rm -0.44}}$ $0.68^{{\rm + 0.28}}_{{\rm - 0.33}}$
        -1.47 fixed $-21.49^{{\rm + 0.13}}_{{\rm -0.14}}$ $0.58^{{\rm + 0.03}}_{{\rm - 0.03}}$

(a) Number of galaxies in the redshift bin. (b) Number of galaxies brighter than the bias limit (sample used for STY estimate; see the text for details).


Source LaTeX | All tables | In the text

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