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Table D.1.

RR Lyrae variables in our sample associated with the Orphan stream based on our analysis.

bestObjID (SDSS) Gaia EDR3 ID α δ d σd vsys σvsys VCSS σVCSS P M0 AmpVCSS Type [Fe/H] p(A|B) Note
[deg] [deg] [kpc] [kpc] [km s−1] [km s−1] [mag] [mag] [day] [day] [mag] [dex]
1237660635454701712 801408324401633664 146.05782 40.22071 39.7 2.2 144.742 18.081 18.453 0.135 0.711533 54588.22739 0.57071 RRab −1.680 0.272 K19
1237660635453718722 812926670775689984 143.48258 39.13402 42.5 2.3 172.430 15.680 18.582 0.145 0.527852 55198.25415 0.64537 RRab −1.880 0.111 K19
1237667734496018571 625033259008713344 153.80169 19.05096 26.3 1.5 199.518 6.169 17.703 0.100 0.400190 54769.47305 0.44528 RRc −2.030 0.915 —
1237657770706600085 1011841380940809344 140.40968 48.01452 45.4 2.5 109.058 1.139 18.922 0.158 0.367648 56402.27718 0.37343 RRc −2.030 0.592 —
1237667782285131881 625042020741726976 153.99639 19.22272 25.8 1.4 214.922 7.709 17.667 0.098 0.645172 55563.40418 0.60377 RRab −1.720 0.799 —
1237668290157281403 623982645584012928 154.82491 18.22602 28.0 1.6 194.632 10.047 17.870 0.108 0.578450 54628.16950 0.77584 RRab −1.670 0.239 K19
1237657606967459944 1011263007760611456 139.35631 46.72456 42.3 2.3 86.520 12.399 18.762 0.155 0.388203 54862.20461 0.35120 RRc −1.870 0.194 —
1237657773935624421 814812268794932608 144.29504 43.42943 41.5 2.3 140.578 6.938 18.824 0.156 0.366009 54535.33735 0.37174 RRc −1.380 0.358 K19
1237658203425341674 813632316722202112 145.61867 41.56253 42.1 2.3 157.187 17.406 18.489 0.134 0.604208 55505.50362 0.58930 RRab −2.190 0.188 K19
1237661851456962762 800283700102935808 147.37900 38.73692 37.6 2.1 166.666 6.772 18.135 0.117 0.286424 55212.30609 0.20096 RRc −1.910 0.105 K19
1237664870825918615 793317812902061568 147.81260 32.49737 39.3 2.2 171.941 13.919 18.533 0.134 0.552830 54035.50252 0.65775 RRab −1.290 0.195 —
1237665099002937435 744466232107315712 148.36049 30.02346 38.0 2.1 208.007 4.582 18.392 0.128 0.591062 53677.59556 0.40989 RRab −2.150 0.265 K19
1237665129604317276 744807802266002432 148.91221 30.42627 34.8 1.9 197.726 35.431 18.390 0.129 0.360622 54574.20862 0.37578 RRc −1.450 0.756 —
1237660634916913359( * ) 800895883264108416 143.91322 38.85322 43.1 2.4 53.148 12.118 18.766 0.150 0.504141 55566.42701 0.58476 RRab −1.780 0.366 K19
1237660763234107516 799585024885253632 147.19268 37.13167 40.3 2.2 166.001 4.421 18.579 0.140 0.624428 53902.06206 0.62468 RRab −1.870 0.068 K19
1237661850382696669 799823623206083328 146.44757 37.55324 39.9 2.2 140.716 10.239 18.329 0.130 0.624027 56313.47731 1.02146 RRab −1.820 0.524 K19
1237661139030966463 799463292628940672 146.00854 36.26583 40.5 2.3 156.131 2.478 18.546 0.137 0.594447 54532.36231 0.76866 RRab −1.880 0.283 K19
1237657874867421307 814635483643723520 144.27165 42.60335 43.3 2.4 160.573 12.657 18.579 0.136 0.567186 54789.53586 0.65984 RRab −1.650 0.461 —
1237667252929036352 738597146412411904 151.89251 24.83150 31.0 1.8 180.319 22.057 17.944 0.114 0.620870 54382.54030 1.03188 RRab −2.150 0.764 K19
1237657771780866136 1018131343366018560 141.13135 49.38273 46.9 2.7 111.560 8.632 19.028 0.161 0.342678 55119.41420 0.52122 RRc −1.500 0.165 —

Notes. The first two columns denote the SDSS and Gaia EDR3 object IDs followed by their equatorial coordinates in columns three and four. Columns 5–8 list the estimated distances and systemic velocities with associated uncertainties. The parameters estimated on basis of the CSS photometry are listed in Cols. 9–13, starting with mean magnitudes, pulsation periods, time of brightness maxima, and pulsation amplitude. The following two columns list the RR Lyrae pulsation type and its conditional probability. The last columns flag stars that were associated with the Orphan stream by Koposov et al. (2019) (marked with K19) as parent population. The asterisk at bestObjID indicates a star that was not used as reference sample in Sect. 4.2.

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