Table 3: Stellar parameters for the variables in NGC 2506. Type names refer to oscillating blue straggler for BS, detached eclipsing binary for DEB, contact binary for CB, $\gamma$ Doradus for GD, and eclipsing binary (unspecified) for EB. V10 has not been classified, and Strömgren photometry is not available for V8, V22 and V28.
ID $\alpha_{2000}$ $\delta_{2000}$ V b-y v-y m₁ c₁ (b-y)₀ c₀ $T_{\rm eff}$ M_V $M_{\rm bol}$ BC log L Type

V1 7 59 58.1 -10 45 54 13.660 0.150 0.468 0.168 0.994 0.096 0.983 8330 0.965 0.903 -0.062 1.537 BS

V2 7 59 53.6 -10 45 48 14.510 0.185 0.548 0.178 0.819 0.131 0.808 7950 1.815 1.783 -0.031 1.185 BS

V3 7 59 57.9 -10 47 20 14.727 0.207 0.561 0.147 0.820 0.153 0.809 7740 2.032 2.009 -0.022 1.095 BS

V4 8 00 08.2 -10 45 50 14.645 0.292 0.706 0.122 0.586 0.238 0.575 6920 1.950 1.900 -0.050 1.138 DEB

V5 8 00 10.3 -10 43 17 17.430 0.456 1.133 0.221 0.199 0.402 0.188 DEB

V6 8 00 17.2 -10 45 35 14.677 0.243 0.701 0.215 0.651 0.189 0.640 7360 1.982 1.965 -0.017 1.113 BS

V7 7 59 53.4 -10 47 12 14.694 0.220 0.599 0.159 0.752 0.166 0.741 7600 1.999 1.983 -0.015 1.105 BS

V8 8 00 34.5 -10 46 50 13.80 0.22 BS

V9 8 00 05.4 -10 43 39 15.289 0.268 0.666 0.130 0.681 0.214 0.670 7160 2.594 2.563 -0.030 0.873 EB

V10 7 59 54.9 -10 46 46 13.079 0.522 1.287 0.243 0.513 0.468 0.502 ?

V11 8 00 04.6 -10 48 43 15.454 0.275 0.681 0.131 0.621 0.221 0.610 7080 2.759 2.720 -0.038 0.810 GD

V12 8 00 05.0 -10 47 11 15.508 0.269 0.654 0.116 0.654 0.215 0.643 7140 2.813 2.780 -0.032 0.786 GD

V13 8 00 04.7 -10 46 39 15.599 0.269 0.663 0.125 0.621 0.215 0.610 7130 2.904 2.870 -0.034 0.750 GD

V14 7 59 55.8 -10 48 41 15.376 0.262 0.687 0.163 0.610 0.208 0.599 7180 2.681 2.652 -0.029 0.838 GD

V15 7 59 56.5 -10 47 03 14.983 0.267 0.676 0.142 0.566 0.213 0.555 7120 2.288 2.253 -0.034 0.997 GD

V16 7 59 57.7 -10 46 09 15.333 0.243 0.624 0.138 0.668 0.189 0.657 7370 2.638 2.621 -0.017 0.850 GD

V17 8 00 07.4 -10 43 33 15.521 0.257 0.662 0.148 0.621 0.203 0.610 7230 2.826 2.802 -0.024 0.778 GD

V18 8 00 01.0 -10 45 06 15.517 0.254 0.642 0.134 0.632 0.200 0.621 7260 2.822 2.800 -0.021 0.778 GD

V19 7 59 49.7 -10 46 35 15.050 0.261 0.662 0.140 0.581 0.207 0.570 7180 2.355 2.326 -0.029 0.968 GD

V20 8 00 00.8 -10 43 47 15.138 0.264 0.673 0.145 0.636 0.210 0.625 7170 2.443 2.414 -0.029 0.933 GD

V21 8 00 01.6 -10 43 27 15.424 0.281 0.695 0.133 0.610 0.227 0.599 7020 2.729 2.685 -0.044 0.824 GD

V22 8 00 10.3 -10 40 42 15.10 0.29 GD

V23 7 59 57.7 -10 42 55 15.246 0.269 0.685 0.147 0.591 0.215 0.580 7110 2.551 2.516 -0.035 0.892 GD

V24 8 00 13.3 -10 49 49 15.299 0.263 0.652 0.126 0.627 0.209 0.616 7180 2.604 2.575 -0.029 0.868 GD

V25 8 00 05.3 -10 51 29 15.231 0.247 0.641 0.147 0.644 0.193 0.633 7320 2.536 2.517 -0.019 0.892 GD

V26 8 00 26.5 -10 48 39 13.058 0.632 1.631 0.367 0.314 0.578 0.303 EB

V27 8 00 28.2 -10 47 13 17.175 0.368 0.912 0.176 0.219 0.314 0.208 EB

V28 7 59 53.2 -10 53 26 18.60 1.50 CB

**Table 3:** Stellar parameters for the variables in NGC 2506. Type names refer to *oscillating blue straggler* for BS, *detached eclipsing binary* for DEB, *contact binary* for CB, $\gamma$ *Doradus* for GD, and *eclipsing binary* (unspecified) for EB. V10 has not been classified, and Strömgren photometry is not available for V8, V22 and V28.
ID	$\alpha_{2000}$	$\delta_{2000}$	V	b-y	v-y	m₁	c₁	(b-y)₀	c₀	$T_{\rm eff}$	M_V	$M_{\rm bol}$	BC	log L	Type
V1	7 59 58.1	-10 45 54	13.660	0.150	0.468	0.168	0.994	0.096	0.983	8330	0.965	0.903	-0.062	1.537	BS
V2	7 59 53.6	-10 45 48	14.510	0.185	0.548	0.178	0.819	0.131	0.808	7950	1.815	1.783	-0.031	1.185	BS
V3	7 59 57.9	-10 47 20	14.727	0.207	0.561	0.147	0.820	0.153	0.809	7740	2.032	2.009	-0.022	1.095	BS
V4	8 00 08.2	-10 45 50	14.645	0.292	0.706	0.122	0.586	0.238	0.575	6920	1.950	1.900	-0.050	1.138	DEB
V5	8 00 10.3	-10 43 17	17.430	0.456	1.133	0.221	0.199	0.402	0.188						DEB
V6	8 00 17.2	-10 45 35	14.677	0.243	0.701	0.215	0.651	0.189	0.640	7360	1.982	1.965	-0.017	1.113	BS
V7	7 59 53.4	-10 47 12	14.694	0.220	0.599	0.159	0.752	0.166	0.741	7600	1.999	1.983	-0.015	1.105	BS
V8	8 00 34.5	-10 46 50	13.80	0.22											BS
V9	8 00 05.4	-10 43 39	15.289	0.268	0.666	0.130	0.681	0.214	0.670	7160	2.594	2.563	-0.030	0.873	EB
V10	7 59 54.9	-10 46 46	13.079	0.522	1.287	0.243	0.513	0.468	0.502						?
V11	8 00 04.6	-10 48 43	15.454	0.275	0.681	0.131	0.621	0.221	0.610	7080	2.759	2.720	-0.038	0.810	GD
V12	8 00 05.0	-10 47 11	15.508	0.269	0.654	0.116	0.654	0.215	0.643	7140	2.813	2.780	-0.032	0.786	GD
V13	8 00 04.7	-10 46 39	15.599	0.269	0.663	0.125	0.621	0.215	0.610	7130	2.904	2.870	-0.034	0.750	GD
V14	7 59 55.8	-10 48 41	15.376	0.262	0.687	0.163	0.610	0.208	0.599	7180	2.681	2.652	-0.029	0.838	GD
V15	7 59 56.5	-10 47 03	14.983	0.267	0.676	0.142	0.566	0.213	0.555	7120	2.288	2.253	-0.034	0.997	GD
V16	7 59 57.7	-10 46 09	15.333	0.243	0.624	0.138	0.668	0.189	0.657	7370	2.638	2.621	-0.017	0.850	GD
V17	8 00 07.4	-10 43 33	15.521	0.257	0.662	0.148	0.621	0.203	0.610	7230	2.826	2.802	-0.024	0.778	GD
V18	8 00 01.0	-10 45 06	15.517	0.254	0.642	0.134	0.632	0.200	0.621	7260	2.822	2.800	-0.021	0.778	GD
V19	7 59 49.7	-10 46 35	15.050	0.261	0.662	0.140	0.581	0.207	0.570	7180	2.355	2.326	-0.029	0.968	GD
V20	8 00 00.8	-10 43 47	15.138	0.264	0.673	0.145	0.636	0.210	0.625	7170	2.443	2.414	-0.029	0.933	GD
V21	8 00 01.6	-10 43 27	15.424	0.281	0.695	0.133	0.610	0.227	0.599	7020	2.729	2.685	-0.044	0.824	GD
V22	8 00 10.3	-10 40 42	15.10	0.29											GD
V23	7 59 57.7	-10 42 55	15.246	0.269	0.685	0.147	0.591	0.215	0.580	7110	2.551	2.516	-0.035	0.892	GD
V24	8 00 13.3	-10 49 49	15.299	0.263	0.652	0.126	0.627	0.209	0.616	7180	2.604	2.575	-0.029	0.868	GD
V25	8 00 05.3	-10 51 29	15.231	0.247	0.641	0.147	0.644	0.193	0.633	7320	2.536	2.517	-0.019	0.892	GD
V26	8 00 26.5	-10 48 39	13.058	0.632	1.631	0.367	0.314	0.578	0.303						EB
V27	8 00 28.2	-10 47 13	17.175	0.368	0.912	0.176	0.219	0.314	0.208						EB
V28	7 59 53.2	-10 53 26	18.60	1.50											CB

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