Table 8: Derived/estimated properties for IRAC selected EROs from Yan et al. (2004) from Hyperz fits with Bruzual & Charlot templates with different star formation histories, and computed assuming a minimum error of 0.1 mag in all bands. Note: all magnitudes are in the Vega system ( $M(K{\rm s})_{\rm Vega} = M(K{\rm s})_{\rm AB} - 1.871$).
Object $z_{\rm Yan}$ $z_{\rm phot}$ Template Age $A_{\rm v}$ DM $M^{\rm rest}(K\rm s)$ Mass
        [Gyr] [mag] [mag] [mag] $M_{\odot}$
1* 3.6 2.5 burst 0.7 2.4 46.60 -25.85 3.4e+11
2*a 3.4 2.1 burst 0.7 2.8 46.12 -25.06 1.7e+11
3 2.9 2.8 $\tau=1$ Gyr 2.6 2.0 46.82 -25.9 3.5e+11
4 2.7 1.6 $\tau=1$ Gyr 4.5 2.0 45.43 -24.02 7.7e+10
5* 2.8 3.0 $\tau=1$ Gyr 2.3 2.2 47.04 -26.22 2.1e+11
6 2.3 1.1 burst 0.01 3.8 44.40 -22.8 1.2e+09
7 2.7 2.6 $\tau=5$ Gyr 2.6 1.8 46.69 -25.66 5.2e+11
8 2.9 2.7 $\tau=1$ Gyr 2.3 1.4 46.71 -26.13 3.8e+11
9 2.8 2.7 burst 0.4 1.0 46.76 -25.19 1.4e+11
10* 2.1 0.9 burst 0.2 3.8 43.75 -20.58 8.3e+08
11 2.4 1.6 burst 0.006 3.8 45.36 -23.4 6.2e+09
12 1.9 2.5 burst 0.4 0.6 46.55 -23.54 2.9e+10
13b 1.9 0.7 burst 0.2 3.8 43.00 -22.38 9.5e+08
14b 1.6 0.6 $\tau=5$ Gyr 2.6 3.8 42.61 -22.79 2.1e+10
15 2.7 2.7 $\tau=1$ Gyr 1.7 1.0 46.75 -24.16 5.2e+10
16 2.4 1.6 burst 0.01 2.4 45.44 -24.33 5.0e+09
17 1.6 1.7 burst 0.5 0.8 45.50 -24.38 5.1e+10
* Uncertain photometric redshifts; a same as object HUDF-J2 from Mobasher et al. (2005);
b $z_{\rm phot}$ redshift likely underestimated (see text).

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