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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 3:

STY parameters (with $1\sigma $ errors) as a function of the environment (from the 5 nearest neighbours) in different redshift bins, for different galaxy types. In each sample the appropriate quartiles are used.

z-bin 		quartile Number(a) Number(b) $\alpha $ $M^*_{B_{AB}}-5{\rm log}(h_{70})$ $\phi^*$( $10^{-3}\ h_{70}^3\ {\rm Mpc}^{-3}$)
Total sample
0.10-0.40 first 680 655 $-1.16^{{\rm + 0.08}}_{{\rm -0.08}}$ $-20.44^{{\rm + 0.17}}_{{\rm -0.19}}$ $1.62^{{\rm + 0.31}}_{{\rm - 0.29}}$
0.10-0.40 fourth 713 678 $-0.86^{{\rm + 0.07}}_{{\rm -0.07}}$ $-20.90^{{\rm + 0.14}}_{{\rm -0.15}}$ $2.14^{{\rm + 0.27}}_{{\rm - 0.26}}$
0.40-0.70 first 675 628 $-1.20^{{\rm + 0.20}}_{{\rm -0.20}}$ $-20.97^{{\rm + 0.26}}_{{\rm -0.33}}$ $0.96^{{\rm + 0.33}}_{{\rm - 0.32}}$
0.40-0.70 fourth 703 684 $-0.81^{{\rm + 0.15}}_{{\rm -0.15}}$ $-21.14^{{\rm + 0.16}}_{{\rm -0.18}}$ $1.34^{{\rm + 0.21}}_{{\rm - 0.22}}$
0.70-1.00 first 606 594 $-0.93^{{\rm + 0.36}}_{{\rm -0.35}}$ $-20.73^{{\rm + 0.19}}_{{\rm -0.23}}$ $2.82^{{\rm + 0.41}}_{{\rm - 0.59}}$
0.70-1.00 fourth 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
0.10-0.40 first 160 160 $-0.37^{{\rm + 0.20}}_{{\rm -0.19}}$ $-20.34^{{\rm + 0.26}}_{{\rm -0.32}}$ $0.96^{{\rm + 0.14}}_{{\rm - 0.17}}$
        -0.30 fixed $-20.25^{{\rm + 0.11}}_{{\rm -0.12}}$ $1.01^{{\rm + 0.08}}_{{\rm - 0.08}}$
0.10-0.40 fourth 166 164 $-0.20^{{\rm + 0.16}}_{{\rm -0.15}}$ $-20.65^{{\rm + 0.21}}_{{\rm -0.24}}$ $0.97^{{\rm + 0.09}}_{{\rm - 0.11}}$
        -0.30 fixed $-20.79^{{\rm + 0.12}}_{{\rm -0.12}}$ $0.90^{{\rm + 0.07}}_{{\rm - 0.07}}$
0.40-0.70 first 183 179 $-0.39^{{\rm + 0.30}}_{{\rm -0.29}}$ $-20.65^{{\rm + 0.24}}_{{\rm -0.29}}$ $0.43^{{\rm + 0.05}}_{{\rm - 0.08}}$
        -0.30 fixed $-20.58^{{\rm + 0.09}}_{{\rm -0.10}}$ $0.45^{{\rm + 0.03}}_{{\rm - 0.03}}$
0.40-0.70 fourth 187 180 $-0.99^{{\rm + 0.28}}_{{\rm -0.27}}$ $-21.98^{{\rm + 0.50}}_{{\rm -0.89}}$ $0.20^{{\rm + 0.10}}_{{\rm - 0.10}}$
        -0.30 fixed $-21.05^{{\rm + 0.10}}_{{\rm -0.11}}$ $0.42^{{\rm + 0.03}}_{{\rm - 0.03}}$
0.70-1.00 first 160 160 $-0.04^{{\rm + 0.75}}_{{\rm -0.73}}$ $-20.55^{{\rm + 0.30}}_{{\rm -0.40}}$ $0.74^{{\rm + 0.14}}_{{\rm - 0.20}}$
        -0.30 fixed $-20.68^{{\rm + 0.10}}_{{\rm -0.11}}$ $0.76^{{\rm + 0.06}}_{{\rm - 0.06}}$
0.70-1.00 fourth 166 163 $-0.61^{{\rm + 0.42}}_{{\rm -0.41}}$ $-21.41^{{\rm + 0.27}}_{{\rm -0.32}}$ $0.39^{{\rm + 0.06}}_{{\rm - 0.10}}$
        -0.30 fixed $-21.23^{{\rm + 0.09}}_{{\rm -0.10}}$ $0.42^{{\rm + 0.03}}_{{\rm - 0.03}}$
Type 3+4 galaxies
0.10-0.40 first 422 406 $-1.32^{{\rm + 0.13}}_{{\rm -0.13}}$ $-19.98^{{\rm + 0.23}}_{{\rm -0.28}}$ $1.11^{{\rm + 0.36}}_{{\rm - 0.32}}$
        -1.47 fixed $-20.28^{{\rm + 0.16}}_{{\rm -0.17}}$ $0.74^{{\rm + 0.04}}_{{\rm - 0.04}}$
0.10-0.40 fourth 439 407 $-1.34^{{\rm + 0.11}}_{{\rm -0.11}}$ $-20.64^{{\rm + 0.24}}_{{\rm -0.29}}$ $0.78^{{\rm + 0.24}}_{{\rm - 0.22}}$
        -1.47 fixed $-20.94^{{\rm + 0.17}}_{{\rm -0.19}}$ $0.52^{{\rm + 0.03}}_{{\rm - 0.03}}$
0.40-0.70 first 375 343 $-1.73^{{\rm + 0.28}}_{{\rm -0.27}}$ $-21.40^{{\rm + 0.49}}_{{\rm -0.86}}$ $0.23^{{\rm + 0.25}}_{{\rm - 0.17}}$
        -1.47 fixed $-20.96^{{\rm + 0.14}}_{{\rm -0.16}}$ $0.46^{{\rm + 0.02}}_{{\rm - 0.02}}$
0.40-0.70 fourth 391 382 $-1.04^{{\rm + 0.25}}_{{\rm -0.25}}$ $-20.92^{{\rm + 0.25}}_{{\rm -0.31}}$ $0.84^{{\rm + 0.25}}_{{\rm - 0.26}}$
        -1.47 fixed $-21.48^{{\rm + 0.15}}_{{\rm -0.17}}$ $0.41^{{\rm + 0.02}}_{{\rm - 0.02}}$
0.70-1.00 first 328 324 $-1.63^{{\rm + 0.52}}_{{\rm -0.50}}$ $-21.00^{{\rm + 0.34}}_{{\rm -0.48}}$ $1.11^{{\rm + 0.62}}_{{\rm - 0.65}}$
        -1.47 fixed $-20.89^{{\rm + 0.10}}_{{\rm -0.11}}$ $1.30^{{\rm + 0.07}}_{{\rm - 0.07}}$
0.70-1.00 fourth 357 342 $-1.44^{{\rm + 0.38}}_{{\rm -0.38}}$ $-21.49^{{\rm + 0.32}}_{{\rm -0.43}}$ $0.67^{{\rm + 0.31}}_{{\rm - 0.34}}$
        -1.47 fixed $-21.52^{{\rm + 0.12}}_{{\rm -0.13}}$ $0.65^{{\rm + 0.03}}_{{\rm - 0.03}}$

(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).


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