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Table 1

Stellar parameters, S/N, and observation dates of ζ1 Ret and ζ2 Ret derived from individual and combined spectra.

Star(spectrum) T eff log g [Fe/H] V tur S / N DATE-OBS

sun_vesta 5777 ± 10 4.43 ± 0.02 0.020 ± 0.010 0.95 ± 0.02 1340
ζ2 Ret_a 5856 ± 15 4.49 ± 0.02 0.205 ± 0.012 0.95 ± 0.02 470 2006-11-08T04:02:51.439
ζ2 Ret_b 5837 ± 12 4.47 ± 0.02 0.215 ± 0.010 0.96 ± 0.02 450 2009-08-27T08:42:10.196
ζ2 Ret_c 5835 ± 13 4.48 ± 0.03 0.216 ± 0.011 0.94 ± 0.02 420 2010-01-31T01:32:05.689
ζ2 Ret_comb 5861 ± 12 4.53 ± 0.02 0.215 ± 0.010 1.00 ± 0.02 3000
ζ2 Ret_S16 5833 ± 15 4.48 ± 0.03 0.218 ± 0.012 0.95 ± 0.03 230 2004-02-04
ζ1 Ret_a 5713 ± 14 4.48 ± 0.02 0.197 ± 0.011 0.88 ± 0.02 375 2005-11-15T03:41:34.591
ζ1 Ret_b 5696 ± 14 4.47 ± 0.02 0.197 ± 0.011 0.81 ± 0.02 370 2005-11-15T03:52:37.899
ζ1 Ret_c 5702 ± 13 4.47 ± 0.03 0.203 ± 0.011 0.85 ± 0.03 360 2005-11-15T03:47:07.475
ζ1 Ret_comb 5720 ± 13 4.52 ± 0.03 0.206 ± 0.010 0.89 ± 0.02 1300
ζ1 Ret_S16 5722 ± 15 4.50 ± 0.03 0.191 ± 0.011 0.86 ± 0.02 215 2004-02-04

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