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Home All issues Volume 508 / No 3 (December IV 2009) A&A, 508 3 (2009) 1173-1191 Full HTML
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Table 4:

Summary of $z_{\rm phot}$ accuracy achieved for the whole low-z and high-z samples with Hyperz and GR codes.
          Hyperz           GR          
Clusters Redshift interval $z_{\rm spec}$ quality Galaxy type N $\langle \Delta_z \rangle$ $\sigma_z$ $\sigma_{z,\rm MAD}$ $\sigma (\Delta z/(1+z))$ $l\%$ $g\%$ $\langle \Delta_z \rangle$ $\sigma_z$ $\sigma_{z,\rm MAD}$ $\sigma (\Delta z/(1+z))$ $l\%$ $g\%$
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17)
Low-z $0.3 \le$ $z_{\rm phot}$ $\le$1 1 all 544 0.017 0.103 0.078 0.052 1.1 0.7 0.030 0.107 0.088 0.058 1.3 0.8
    1 + 2 all 564 0.016 0.106 0.079 0.053 1.1 0.7 0.029 0.110 0.089 0.058 1.2 0.7
High-z 0.3$\le$ $z_{\rm phot}$ $ \le 1$ 1 all 854 0.003 0.099 0.090 0.054 0.9 3.3 0.012 0.100 0.094 0.058 1.3 4.0
    1 + 2 all 885 0.004 0.100 0.090 0.055 1.1 3.3 0.010 0.104 0.095 0.058 1.4 3.9
High-z 0.45$\le$ $z_{\rm phot}$ $\le$1 1 all 736 0.013 0.087 0.087 0.051 0.7 3.6 0.024 0.086 0.088 0.053 0.4 4.1
    1 + 2 all 754 0.014 0.088 0.087 0.052 0.9 3.5 0.023 0.089 0.089 0.053 0.5 4.0
Low-z 0.3$\le$ $z_{\rm phot}$ $\le$1 1 + 2 + 3 E/S0 232 0.006 0.071 0.069 0.045 0.0 0.0 0.036 0.085 0.091 0.061 0.0 0.0
    1 + 2 + 3 Sbc 167 0.027 0.128 0.104 0.069 1.2 1.3 0.036 0.104 0.092 0.066 0.6 1.3
    1 + 2 + 3 Scd 113 0.027 0.103 0.075 0.047 2.7 0.0 -0.004 0.102 0.077 0.047 4.4 0.9
    1 + 2 + 3 Im 46 -0.007 0.104 0.087 0.056 0.0 4.0 0.051 0.166 0.102 0.062 0.0 0.0
    1 + 2 + 3 SB 18 0.018 0.153 0.159 0.094 11.1 5.0 -0.019 0.204 0.167 0.105 5.6 5.2
High-z 0.3$\le$ $z_{\rm phot}$ $\le$1 1 + 2 + 3 E/S0 263 0.040 0.070 0.088 0.052 0.8 0.8 0.025 0.114 0.126 0.077 0.8 1.9
    1 + 2 + 3 Sbc 256 -0.009 0.103 0.089 0.055 1.6 1.6 0.005 0.108 0.110 0.068 1.6 2.7
    1 + 2 + 3 Scd 181 0.017 0.094 0.094 0.056 1.1 1.7 -0.010 0.079 0.063 0.038 2.8 7.8
    1 + 2 + 3 Im 112 -0.012 0.079 0.075 0.047 0.0 0.9 0.024 0.066 0.075 0.044 0.0 0.0
    1 + 2 + 3 SB 81 -0.083 0.135 0.173 0.113 2.5 19.4 0.012 0.137 0.107 0.070 2.5 10.0

Notes: results for type 1 and type 1+2spectroscopic data are presented in this table, as well as the accuracy reached for the different spectral types of galaxies in the whole sample (i.e. all type 1, 2 and 3 redshifts). The information given is the same as in Table 3.

Source LaTeX | All tables | In the text

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