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Home All issues Volume 498 / No 1 (April IV 2009) A&A, 498 1 (2009) 37-47 Full HTML
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Table 3:

Location and redshift estimate of three new multiply-image systems, as well as the radial feature (10.4) associated with the giant arc (systems 10 and 11).
ID $\alpha$ (J2000.0) $\delta$ (J2000.0) $z_{\rm model}$ $z_{\rm phot}$ F775W $\mu$ (mags)
New multiple images        
10.4 198.77173 51.81906 $z_{\rm spec}=2.627$ - $24.77\pm0.08$ $1.55\pm0.17$
12.1 198.77456 51.829946 $3.31\pm0.16$ $\rm 3.33^{+0.47}_{-0.32}$ $26.68\pm0.10$ $1.93\pm0.07$
12.2 198.76568 51.828658   $\rm 3.35^{+0.22}_{-0.31}$ $24.47\pm0.04$ $1.87\pm0.16$
12.3 198.75867 51.826482   $\rm 3.16^{+0.24}_{-0.52}$ $26.33\pm0.08$ $2.17\pm0.04$
13.1 198.78238 51.821204 $0.839\pm0.007$ $\rm 1.15^{+0.13}_{-0.16}$ $26.93\pm0.11$ $1.48\pm0.03$
13.2 198.76796 51.818374   $\rm0.68^{+0.46}_{-0.12}$ $24.18\pm0.04$ $2.42\pm0.33$
13.3 198.77204 51.814973   $\rm 1.13^{+0.08}_{-0.10}$ $26.29\pm0.08$ $2.16\pm0.19$
13.4 198.76692 51.815130   $\rm 1.07^{+0.19}_{-0.10}$ $25.12\pm0.05$ $2.69\pm0.06$
14.1 198.78662 51.820542 $1.58\pm0.02$ - $25.55\pm0.11$ $1.63\pm0.02$
14.2 198.76868 51.820191   - $25.40\pm0.17$ $1.26\pm0.48$
14.3 198.76447 51.812192   - $26.33\pm0.16$ $2.13\pm0.03$
14.4 198.77540 51.811945   - $26.30\pm0.15$ $0.81\pm0.10$
Other multiple systems from L08        
2.2 198.77156 51.81174 $\rm 2.16^{+0.15}_{?0.09}$ $\rm 2.31^{+0.46}_{-0.38}$ $25.29\pm0.08$ $4.45\pm0.18$
2.3 198.76970 51.81186   $\rm 2.23^{+0.19}_{-0.66}$ $26.15\pm0.10$ $4.37\pm0.16$
8.1 198.77250 51.83045 $\rm 2.933^{+0.004}_{-0.077}$ $\rm 2.80^{+0.17}_{-0.09}$ $24.95\pm0.06$ $2.46\pm0.18$
8.2 198.76608 51.82949   $\rm 2.77^{+0.21}_{-0.11}$ $23.06\pm0.02$ $2.19\pm0.10$
8.3 198.75863 51.82740   $\rm 2.72^{+0.20}_{-0.12}$ $25.07\pm0.06$ $2.00\pm0.03$
9.1 198.77176 51.83030 $\rm 3.271^{+0.031}_{-0.124}$ - $26.68\pm0.15$ $3.09\pm0.20$
9.2 198.76690 51.82957   $\rm 2.995^{+0.195}_{-0.378}$ $25.32\pm0.08$ $2.48\pm0.19$
9.3 198.75813 51.82708   $\rm 3.00^{+0.37}_{-0.60}$ $26.92\pm0.12$ $1.98\pm0.02$
From left to right: identification, astrometric position, redshift estimate from the lensing model, photometric redshift estimate, magnification in magnitudes. We also report the same values for the three remaining systems from L08 (systems 2, 8 and 9), used in the mass model but lacking spectroscopic redshifts. The redshift of 10.4 has a spectroscopic measurement and therefore is not a free parameter in the model. System 14 and image 9.1 are too faint to provide a reliable photometric redshift estimate.

Source LaTeX | All tables | In the text

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