Ruprecht 4

UBV CCD observations

No	Ref	V	BV
0001	436	11.217	0.410
0002	436	12.193	0.210
0003	436	14.238	1.225
0004	436	14.300	1.299
0005	436	14.553	1.266
0006	436	14.851	0.504
0008	436	14.774	1.167
0009	436	15.044	0.626
0010	436	14.968	1.371
0011	436	15.167	0.433
0012	436	15.073	0.730
0013	436	15.079	0.644
0014	436	15.283	0.484
0015	436	15.312	0.456
0016	436	15.173	1.263
0017	436	15.394	0.695
0018	436	15.442	1.174
0019	436	15.702	0.424
0020	436	15.463	0.497
0021	436	15.522	0.474
0022	436	15.423	0.835
0023	436	15.456	0.688
0024	436	15.618	0.706
0025	436	15.877	0.660
0026	436	15.950	1.519
0027	436	15.834	0.753
0028	436	15.940	0.529
0029	436	15.955	1.340
0030	436	15.985	0.592
0031	436	15.999	0.497
0032	436	16.039	0.518
0033	436	16.226	0.500
0034	436	16.095	0.585
0035	436	16.073	0.442
0037	436	16.150	0.495
0038	436	16.248	0.824
0039	436	16.384	0.463
0040	436	16.447	1.253
0041	436	16.366	0.571
0042	436	16.484	0.497
0043	436	16.412	0.583
0044	436	16.400	0.569
0045	436	16.430	0.461
0046	436	16.568	1.319
0047	436	16.412	0.796
0048	436	16.489	0.600
0049	436	16.484	0.502
0050	436	16.522	0.771
0051	436	16.544	0.504
0052	436	16.673	1.215
0053	436	16.578	0.828
0054	436	16.578	0.502
0055	436	16.639	0.760
0056	436	16.538	1.021
0057	436	16.853	1.192
0058	436	16.716	0.700
0059	436	16.751	0.629
0060	436	16.927	1.373
0061	436	17.018	1.049
0062	436	16.977	0.637
0063	436	17.002	0.596
0065	436	17.045	0.609
0066	436	17.101	0.686
0067	436	17.120	0.908
0068	436	17.163	0.589
0069	436	17.252	0.946
0070	436	17.297	0.755
0071	436	17.343	0.846
0072	436	17.305	0.636
0073	436	17.375	0.657
0074	436	17.355	1.188
0075	436	17.332	0.654
0076	436	17.423	0.797
0077	436	17.476	0.666
0078	436	17.538	0.859
0079	436	17.617	1.014
0080	436	17.567	0.771
0081	436	17.651	0.945
0082	436	17.552	0.667
0083	436	17.628	0.817
0084	436	17.606	0.727
0085	436	17.837	1.255
0086	436	17.735	0.938
0087	436	17.794	0.696
0088	436	17.894	1.148
0089	436	19.490	1.647
0090	436	17.898	0.828
0091	436	17.869	0.695
0092	436	17.952	0.830
0093	436	17.971	0.517
0094	436	17.970	0.742
0095	436	17.971	0.793
0096	436	17.941	0.598
0097	436	17.986	0.762
0098	436	18.051	0.809
0099	436	18.150	0.974
0100	436	18.088	0.782
0101	436	18.191	1.082
0102	436	18.152	0.857
0103	436	18.167	0.748
0104	436	18.257	1.062
0105	436	18.267	0.883
0106	436	18.239	0.780
0107	436	18.257	0.763
0108	436	18.489	0.538
0109	436	18.323	0.783
0110	436	18.264	0.590
0111	436	18.292	0.771
0112	436	19.623	1.557
0113	436	18.397	0.826
0114	436	18.495	1.017
0115	436	18.589	1.061
0116	436	18.981	1.391
0117	436	18.588	0.949
0118	436	18.571	0.841
0119	436	19.431	1.486
0120	436	18.510	0.642
0121	436	19.388	1.336
0122	436	18.657	1.000
0123	436	18.653	0.847
0124	436	18.677	0.860
0125	436	18.580	0.640
0126	436	18.990	1.406
0127	436	18.701	0.795
0128	436	18.886	1.267
0129	436	19.028	1.333
0130	436	18.759	1.008
0131	436	18.758	0.826
0132	436	18.792	0.891
0133	436	18.811	0.940
0134	436	19.133	0.434
0135	436	19.114	0.300
0136	436	18.894	1.268
0137	436	18.808	0.869
0138	436	18.820	0.824
0139	436	18.879	0.859
0141	436	18.773	0.711
0142	436	19.836	1.470
0143	436	18.914	0.978
0144	436	18.860	0.844
0145	436	18.902	0.911
0147	436	18.928	0.856
0148	436	18.939	0.888
0149	436	19.009	0.874
0150	436	19.016	0.833
0151	436	19.223	1.155
0152	436	19.198	1.178
0153	436	19.124	0.953
0154	436	19.126	0.966
0155	436	19.164	1.022
0156	436	19.260	1.259
0157	436	19.911	-0.289
0158	436	19.173	0.870
0159	436	19.427	1.310
0160	436	19.158	0.924
0161	436	19.205	0.978
0162	436	19.371	1.149
0163	436	19.302	1.161
0164	436	19.451	0.467
0165	436	19.394	0.549
0166	436	19.053	0.261
0167	436	19.245	0.865
0168	436	19.272	1.008
0169	436	19.287	0.980
0170	436	19.142	0.680
0171	436	19.258	0.962
0172	436	19.292	1.078
0174	436	19.298	0.945
0175	436	19.300	0.965
0176	436	19.370	0.925
0177	436	19.379	1.028
0178	436	19.327	0.902
0180	436	19.405	1.591
0181	436	19.509	1.061
0182	436	19.553	1.137
0184	436	19.488	0.898
0185	436	19.545	0.876
0186	436	19.482	0.990
0187	436	19.555	0.987
0188	436	19.548	0.940
0189	436	19.558	0.887
0190	436	19.500	0.847
0191	436	19.687	1.165
0192	436	19.630	1.085
0193	436	20.489	1.501
0194	436	19.593	0.853
0195	436	19.603	1.049
0196	436	19.687	1.197
0197	436	19.701	0.899
0198	436	19.707	1.056
0199	436	19.706	0.948
0200	436	19.620	0.825
0201	436	19.744	1.011
0202	436	20.230	1.797
0203	436	19.843	1.077
0204	436	19.742	0.909
0205	436	19.753	0.988
0206	436	20.144	-0.004
0207	436	19.808	1.014
0209	436	19.803	1.003
0210	436	19.777	0.828
0211	436	19.866	1.100
0212	436	19.970	1.124
0213	436	19.995	0.925
0215	436	19.875	0.824
0216	436	20.102	1.224
0218	436	20.760	1.679
0220	436	20.102	1.744
0221	436	20.245	1.458
0223	436	20.008	0.848
0224	436	20.087	1.007
0225	436	20.393	0.340
0226	436	20.362	0.420
0227	436	20.163	1.062
0229	436	20.190	1.248
0230	436	20.282	1.300
0231	436	20.160	0.980
0232	436	21.065	1.619
0233	436	20.202	1.001
0234	436	20.237	1.067
0235	436	20.282	1.085
0236	436	20.267	1.094
0237	436	20.913	1.518
0238	436	20.217	0.900
0239	436	20.034	0.035
0240	436	20.301	1.056
0241	436	20.422	1.107
0242	436	20.365	1.155
0244	436	20.485	0.378
0247	436	21.324	1.680
0248	436	20.488	0.392
0249	436	20.385	1.092
0250	436	20.390	0.990
0251	436	20.443	0.965
0252	436	20.625	1.648
0253	436	20.566	1.148
0254	436	20.499	1.459
0255	436	20.414	1.193
0256	436	20.450	0.884
0257	436	20.583	1.298
0258	436	20.398	0.791
0259	436	20.618	1.141
0260	436	20.592	1.173
0261	436	20.552	1.127
0262	436	20.649	1.462
0263	436	20.553	1.246
0265	436	20.669	0.950
0266	436	20.708	0.360
0267	436	20.600	0.855
0270	436	20.592	0.996
0272	436	20.686	1.128
0273	436	20.732	1.273
0275	436	20.687	0.897
0276	436	20.635	1.025
0277	436	20.791	0.650
0278	436	21.113	1.486
0279	436	20.793	1.262
0280	436	20.912	1.277
0284	436	20.827	1.001
0285	436	20.762	1.078
0286	436	21.012	1.313
0287	436	21.076	1.176
0288	436	20.881	1.063
0291	436	20.874	1.142
0294	436	20.914	0.800
0295	436	20.980	1.738
0296	436	20.782	0.764
0298	436	20.939	0.883
0300	436	20.469	0.644
0303	436	20.971	0.988
0304	436	20.935	0.919
0306	436	21.163	1.553
0307	436	21.078	1.122
0309	436	20.893	1.089
0312	436	21.090	1.395
0316	436	21.115	0.966
0318	436	21.151	1.242
0319	436	21.247	0.259
0320	436	21.496	1.281
0321	436	21.039	0.938
0323	436	22.224	1.018
0324	436	21.081	1.311
0327	436	21.536	1.261
0328	436	21.081	0.756
0332	436	21.168	1.057
0333	436	21.140	0.678
0334	436	21.286	0.953
0336	436	21.305	1.364
0337	436	21.417	1.353
0339	436	21.336	1.414
0340	436	21.518	1.191
0341	436	21.319	0.400
0343	436	22.157	0.805
0345	436	21.297	1.458
0346	436	21.532	1.195
0347	436	21.561	0.181
0348	436	21.156	1.209
0349	436	21.401	1.302
0350	436	21.440	0.880
0351	436	21.477	1.282
0352	436	21.429	0.208
0354	436	21.168	0.741
0356	436	21.806	0.934
0357	436	21.399	1.393
0360	436	21.470	1.008
0361	436	21.615	1.125
0362	436	21.452	0.745
0363	436	21.485	0.473
0364	436	21.541	1.391
0366	436	21.691	0.148
0367	436	21.657	1.261
0370	436	21.584	1.218
0373	436	21.538	0.756
0377	436	21.525	1.378
0378	436	21.458	0.096
0381	436	22.164	-0.240
0382	436	21.765	-0.090
0386	436	21.811	0.320
0387	436	21.717	0.751
0390	436	21.811	1.199
0395	436	21.820	0.757
0403	436	21.663	0.902
0404	436	22.345	-0.282
0410	436	22.136	-0.025
0419	436	22.134	0.851
0420	436	21.718	1.459
0421	436	21.709	1.100
0424	436	21.894	0.700
0429	436	21.698	1.308
0430	436	22.018	0.322
0432	436	21.936	1.220
0433	436	21.702	0.610
0439	436	22.104	0.176
0441	436	21.827	1.396
0442	436	21.959	0.684
0445	436	21.851	0.533
0447	436	22.223	0.109
0453	436	22.078	0.998
0455	436	22.829	0.091
0456	436	22.410	0.506
0457	436	22.110	0.530
0460	436	22.230	0.203
0462	436	23.244	-1.444
0471	436	21.931	0.564
0473	436	21.995	1.303
0474	436	22.103	0.476
0479	436	22.582	0.234
0481	436	22.104	0.742
0487	436	22.877	-0.271
0491	436	22.181	0.935
0493	436	22.193	0.679
0494	436	22.790	0.227
0496	436	22.260	0.536
0498	436	22.448	0.281
0505	436	22.250	0.241
0506	436	23.401	-0.583
0509	436	22.385	0.309
0510	436	22.051	0.874
0513	436	22.257	0.461
0515	436	23.442	-0.115
0517	436	22.235	0.979
0520	436	22.693	-1.300
0523	436	22.059	0.826
0525	436	23.387	-0.531
0527	436	22.739	0.572
0528	436	22.918	-0.290
0530	436	22.939	-0.258
0531	436	22.543	0.211
0532	436	22.085	0.791
0533	436	22.808	0.580
0534	436	23.065	0.222
0537	436	23.299	-0.434
0538	436	22.590	0.160
0539	436	23.542	-0.692
0543	436	23.359	-0.746
0544	436	22.579	0.191
0546	436	22.291	0.722
0551	436	22.527	0.442
0552	436	22.715	0.041
0556	436	22.923	-0.153
0559	436	22.644	0.236
0561	436	23.257	-0.175
0563	436	23.478	-0.625
0564	436	22.509	0.469
0570	436	22.408	0.402
0573	436	22.529	0.206
0576	436	23.075	-0.181
0577	436	22.495	0.634
0579	436	23.331	-0.315
0580	436	22.529	0.455
0583	436	22.878	-0.018
0584	436	22.284	0.562
0585	436	22.768	0.131
0588	436	22.623	0.390
0589	436	22.854	-0.056
0590	436	23.499	-0.400
0592	436	23.377	-0.055
0593	436	22.979	0.147
0594	436	23.414	-0.524
0597	436	22.431	0.311
0598	436	23.239	-0.206
0599	436	23.416	-0.433
0600	436	23.409	-0.307
0601	436	22.976	-0.086
0602	436	22.504	0.552
0612	436	22.765	0.096
0614	436	22.777	0.357
0616	436	23.035	0.048
0617	436	23.084	-0.082
0620	436	23.265	-0.746
0624	436	23.537	-0.562
0626	436	23.087	-0.113
0631	436	23.159	-0.163
0632	436	22.933	0.133
0633	436	23.689	-0.608
0635	436	23.173	-0.164
0636	436	23.023	-0.145
0638	436	23.308	-0.362
0642	436	23.084	-0.216
0647	436	23.229	-0.103
0648	436	23.327	-0.343
0653	436	23.195	-0.120
0654	436	23.291	-0.413
0657	436	22.673	0.731
0658	436	23.340	-0.740
0659	436	22.917	0.103
0661	436	23.317	-0.215
0665	436	23.303	-0.310
0666	436	23.447	-0.292
0667	436	23.189	-0.168
0670	436	22.978	0.121
0671	436	22.814	0.360
0676	436	23.390	-0.173
0677	436	23.599	-0.417
0678	436	22.464	0.636
0679	436	23.208	-0.124
0681	436	23.155	0.150
0684	436	23.005	0.031
0685	436	22.963	0.205
0686	436	23.153	-0.236
0687	436	23.082	0.004
0688	436	22.835	0.471
0689	436	22.989	0.050
0692	436	23.127	-0.090
0693	436	23.165	0.042
0697	436	23.637	-0.579
0698	436	23.648	-0.426
0699	436	23.037	0.223
0700	436	23.059	0.002
0701	436	23.530	-0.492
0703	436	23.347	-0.222
0704	436	23.085	0.196
0708	436	23.439	-0.324
0709	436	23.739	-0.745
0711	436	23.076	0.136
0714	436	23.226	-0.131
0716	436	23.248	-0.070
0718	436	22.940	0.337
0720	436	23.436	-0.223
0721	436	23.657	-0.483
0723	436	22.854	0.026
0727	436	22.624	0.763
0731	436	23.029	0.113
0732	436	22.942	0.368
0733	436	23.396	-0.244
0734	436	23.289	-0.027
0735	436	23.512	-0.355
0736	436	23.186	-0.063
0737	436	22.878	0.325
0741	436	23.159	0.042
0746	436	22.740	0.514
0747	436	23.276	-0.098
0748	436	22.972	0.336
0749	436	22.875	0.398
0750	436	22.993	0.306
0751	436	23.245	0.013
0753	436	23.167	0.097
0754	436	23.276	-0.131
0757	436	23.042	0.238
0760	436	23.483	-0.208
0761	436	23.252	0.033
0762	436	23.215	0.050
0764	436	23.203	-0.046
0765	436	23.081	0.187
0766	436	23.318	-0.128
0769	436	23.610	-0.356
0772	436	23.283	-0.054
0776	436	23.113	0.202
0777	436	23.221	0.119
0778	436	23.174	0.219
0779	436	23.418	-0.188
0780	436	23.720	-0.393
0781	436	23.390	-0.019
0782	436	23.363	0.045
0784	436	23.316	-0.144
0795	436	23.170	-0.123
0796	436	23.202	0.103
0801	436	22.833	0.474
0805	436	23.098	0.340
0807	436	23.545	-0.260
0808	436	23.200	0.151
0810	436	23.477	-0.156
0812	436	23.252	-0.027
0813	436	23.488	-0.080
0814	436	22.936	0.252
0815	436	23.602	-0.362
0817	436	23.470	-0.085
0822	436	23.534	-0.130
0825	436	23.440	-0.242
0829	436	23.299	0.234
0831	436	23.149	0.176
0832	436	23.064	0.154
0834	436	23.375	-0.266
0835	436	23.485	-0.077
0836	436	23.520	-0.084
0843	436	23.224	0.061
0846	436	23.549	-0.184
0854	436	23.183	0.414
0857	436	23.305	0.199
0859	436	23.167	0.072
0862	436	23.467	0.053
0864	436	23.291	-0.151
0869	436	23.455	0.015
0871	436	23.309	-0.028
0872	436	23.702	-0.274
0880	436	23.526	-0.159
0883	436	23.259	0.099
0892	436	23.414	0.013
0900	436	23.265	0.112
0902	436	23.517	-0.114
0909	436	23.520	-0.079
0911	436	23.558	0.035
0912	436	23.392	-0.016