Bob Nelson's O-C files

Eclipsing Binary O-C Files

Bob Nelson has developed over 3400 O-C (Observed - Computed) files of eclipsing binaries, all in Excel format that we are hosting on our site. The purpose is to provide information on period variation for selected eclipsing binaries (for astronomers interested in a particular star) and to determine the best elements for predicting future eclipses. These elements go into eclipse prediction software, like at Shawn Dvorak's site (Bob and others help provide updated elements for Shawn).

For each star, they try to develop the best relationship possible; however ambiguities of course arrive, in these cases the most likely set of elements are displayed. The files are updated about once a year. Last Update: 2012 April 17.

Most of the information used in creating these files came from the Eclipsing Binaries Minima Database, IBVS, and SIMBAD. Tom Krajci constructed over 30 of these files. Note the addition of GSC stars to the bottom of the list. (They have not been sorted into constellations.)

The constellations of the southern hemisphere are under-represented or absent. If you would like to help in establishing and maintaining that part of the database, please contact me. (Remove dashes from email address.)

Constellations

Jump to:And, Ant, Aps, Aql, Aqr, Ara, Ari, Aur, Boo, CMa, CMi, CVn, Cae, Cam, Cap, Car, Cas, Cen, Cep, Cet, Cha, Cir, Cnc, Col, Com, CrA, CrB, CrV, Crt, Cru, Crv, Cyg, Del, Dor, Dra, Equ, Eri, For, Gem, Gru, Her, Hor, Hya, Hyi, Ind, LMi, Lac, Leo, Lep, Lib, Lup, Lyn, Lyr, Men, Mic, Mon, Mus, Nor, Oct, Oph, Ori, Pav, Peg, Per, Phe, Pic, PsA, Psc, Pup, Pyx, Ret, Scl, Sco, Sct, Ser, Sex, Sge, Sgr, Tau, Tel, TrA, Tra, Tri, Tuc, UMA, UMa, UMi, Vel, Vir, Vol, Vul

And	RT, SY, TT, TW, UU, WW, WX, WZ, XZ, AA, AB, AD, AM, AN, AP, AS, BD, BL, BO, BX, CD, CN, CO, CP, CU, CZ, DK, DO, DS, DW, EP, EX, FK, FL, GK, GZ, HR, HS, HU, KN, KP, LM, LO, LY, MO, NZ, OT, PX, QR, QW, QX, V0376, V0395, V0425, V0412, V0422, V0462, V0392, V0452, V0467, V0489, V0490, V0372, V0449, V0483, V0406, V0463, V0404, V0441, V0444, V0440, V0363, G2822-1558, G3303-1583
Ant	S, UU, WZ, XX, XY, BO
Aps	SS, SY, SZ, TV, WX, YY, AF, AL, AN, AS, BH, BV, IO, MM, NT, OT, PS, PT, PU, PZ
Aql	XZ, YZ, FK, GU, HY, KO, KP, LT, OO, OP, QS, QY, V1454, V0420, V0557, V0762, V0926, V0589, V0822, V0981, V0348, V1299, V1045, V0418, V0337, V0340, V1331, V0415, V0602, V0805, V0479, V0936, V0609, V0407, V0694, V0761, V0616, V0343, V0699, V0889, V0760, V1430, V1692, V1695, V0342, V0956, V1490, V0688, V1168, V1542, V0724, V1075, V1353, V1687, V0346, V0803, V1182, V0997, V0737, V0640, V0631, V0919, V1341, V0770, V0416, V1426, V1647, V1355, V0872, V0964, V1665, V1712, V1714, V0887, V0962, V1713, V0603, V1096, V0873, V0917, V0719, V1686, V1097, V1157, V0802, V0417, V1184, V1700, V0784, G0494-0587, G1045-1028, G0473-3466, G1040-0399, G1077-0828, G0449-0455, sig
Aqr	RY, ST, SU, UU, XZ, AM, AO, AT, AU, AY, BW, BX, CK, CQ, CR, CW, CX, CZ, DD, DV, DX, DY, EE, EF, EI, EK, EL, EX, FS, GH, GK, GM, GS, GV, GZ, HS, HV, IO, KX, LL, MU, NN, NP, NQ, NW, OO, OR, OS, G5191-0625, G0568-1328, G5210-0437, G5233-0327, G5191-0853, G5210-0638
Ara	RW, CU, FU, HS, IT, IW, KO, LU, OW, V0539, V0336, V0878, V0882, V0884, V0888, V0889, V0891, V0537, V0620, V0535, V0339, V0881, V0870
Ari	RS, RX, SS, SZ, TX, AG, AL, AW, BM, BN, BO, BQ, CL
Aur	T, RT, RY, RZ, SX, TT, WW, XX, ZZ, AH, AK, AM, AP, AR, BC, BE, BF, CG, CI, CL, CP, CQ, DN, DO, EI, EM, EO, EP, EQ, EU, FN, FO, FP, FR, FV, FW, FY, GI, GX, GY, HL, HP, HS, HU, HW, II, IM, IU, IY, IZ, KO, KU, LV, LY, MN, MO, MP, MT, MU, NN, QT, V0402, V0410, V0432, V0364, V0355, V0534, V0596, V0426, V0459, V0580, V0425, V0562, V0565, V0569, V0579, V0603, V0610, V0644, V0646, V0365, V0495, V0591, V0594, V0612, V0560, V0576, V0585, V0417, V0640, V0379, V0535, V0567, V0636, V0607, V0523, V0620, V0599, V0404, G2933-1972, bet
Boo	SS, SU, SY, TU, TX, TY, TZ, UW, VW, XY, YY, ZZ, AC, AD, AQ, AR, BG, BW, CK, CV, DN, DU, DV, EF, EL, EM, EQ, ET, EW, FI, FP, FY, GG, GH, GI, GK, GL, GM, GN, GO, GP, GQ, GR, GS, GT, GU, GV, GW, GX, HH, HR, IK, LM, NR, 44i
CMa	R, RR, RT, RU, RX, SW, SX, SZ, TU, TX, TZ, UU, UX, VW, AD, CR, CV, CX, CZ, DE, EE, EG, EL, EQ, FF, FZ, IQ, IS, IW, KL, KT, KV, LT, LV, V0362, V0378, V0381, V0388, V0391, V0397, V0398, V0377
CMi	RS, RT, RW, RX, RY, SX, TT, TU, TW, TX, TY, TZ, UY, UZ, XZ, YY, AC, AG, AK, AM, AN, AO, AP, AR, AV, AY, BB, BF, BH, BL, BX, CW, CX, CZ, DG, DL, DM, DS, DX, EF, EG, EI, EL, EP
CVn	RS, RV, UW, UX, VV, VW, VZ, YZ, BI, BO, CI, CX, DE, DF, DH, DI, DK, DL, DM, DQ, DR, DU, DX, DY, EE, EF, EG, EH, EI, EL, EN, EV, EY, FQ, FV, GG, GM, GN, G2545-0240, G3034-0497
Cae	RZ, SX
Cam	Y, SS, SV, SZ, TU, UU, WW, XZ, AK, AL, AN, AO, AQ, AS, AT, AV, AW, AY, AZ, CD, CP, CV, DN, DT, FN, HW, LR, MP, MT, MX, NO, NQ, NR, NS, NU, OP, OQ, PQ, PS, QU, QV, V0378, V0421, V0455, V0462, V0343, V0368, V0369, V0381, V0499, V0517, V0497, V0507, V0474, V0362, V0373, V0395, V0398, V0400, V0409, V0502, V0503, V0516, V0447, V0337, V0375, V0379, V0442, V0465, V0485, V0496, V0518, V0519, V0473, V0514
Cap	RW, TY, UW, WZ, AQ, BQ, CM, CQ, G6328-0223, G6338-1083, del
Car	X, ST, SW, AS, CO, DD, DQ, DV, EZ, GL, GQ, HP, V0447, V0467, V0605, V0606, V0608, V0613, V0625, V0632, V0635, V0658, V0575, V0592, V0594, V0598, V0604, V0654
Cas	RX, RZ, SX, TV, TW, TX, XX, YZ, ZZ, AB, AE, AH, AL, AO, AQ, AT, AX, BG, BH, BI, BM, BN, BS, BU, BW, BZ, CC, CR, CV, CW, DN, DO, DP, DZ, EG, EI, EL, EN, EP, ES, EY, FV, GG, GH, GK, GR, GT, GU, HN, HQ, IL, IR, IS, IT, IV, KL, KR, KT, LQ, LR, LU, LX, LY, MM, MN, MR, MS, MT, MU, MV, MY, NN, NT, NU, NV, NZ, OQ, OR, OX, PV, QQ, QX, V0459, V0785, V0361, V0541, V0389, V0445, V0778, V0527, V0544, V0442, V0821, V0345, V0384, V0355, V0558, V0380, V0776, V0381, V0387, V0368, V0350, V0360, V0374, V0799, V0480, V0448, V0473, V0860, V0396, V0344, V0651, V0423, V0337, V0419, V0336, V0537, V0646, V0654, V0702, V0851, V1176, V0962, V0399, V1005, V1015, V1044, V1066, V0559, V1001, V1004, V1014, V1115, V1007, V1011, V1018, V1094, V1137, V0772, V0775, V0959, V1009, V0451, V1107, V1139, V0952, V0375, V0362, V1060, V1160, V0411, V0357, V0366, V0608, V1046, V0364, V0961, V0385, V1138, V1053, V0520, V0440, V0471, V0359, V0523, G3649-0825, G3674-1587, RHN-12, RHN-02
Cen	RR, SS, SV, VZ, BD, BF, BH, IV, KT, LT, LZ, MN, MO, MP, MQ, MR, V0576, V0752, V0343, V0440, V0384, V0678, V0379, V0677, V0685, V0839, V0757, V0646, V1104, V1166, V1254, V1262, V1263, V1269, V1284, V1286, V1296, V1351, V1356, V0380, V0700, V0963, V1071, V1078, V1089, V1116, V1118, V1119, V1149, V1156, V1175, V1194, V1200, V1202, V1207, V1209, V1211, V1109, V0701, V1099, V0606, V0716, V0777, V0775, V0901, V0676, V1051, V1053, V1054, V1061, V1169, V1000, V1082, V1101, V1177, V0346, V0758, V0593, V0759
Cep	U, RS, SU, SY, TV, VW, VZ, WW, WX, WY, WZ, XX, XY, XZ, ZZ, AH, AI, AV, BB, BE, BR, BU, CM, CO, CQ, CW, DE, DK, DL, DN, DP, DV, DW, DY, EE, EF, EG, EI, EK, EM, EO, ER, EX, EY, FH, FS, GG, GI, GK, GS, GT, GW, HI, IM, IO, IP, IW, KL, KP, KV, LL, LM, LP, MT, NN, NR, NS, NU, NW, NY, OT, PX, QZ, V0397, V0338, V0357, V0489, V0358, V0497, V0737, V0741, V0746, V0443, V0454, V0736, V0804, V0699, V0744, V0796, V0801, V0738, V0734, V0711, V0731, V0797, V0743, V0383, V0379, G4487-0347, G4252-0433, G4277-0586, G4479-0888, G4481-0080, G4490-0777, G4267-0682, G4477-0706, G4482-1238, G4482-0981, G4614-0887, G4286-0049, G4484-1192
Cet	RW, SS, TT, TU, TV, TW, TX, TY, VV, VW, VX, VY, WY, WZ, XY, YY, AA, DP, DY, EE, EV, FH, GH, GP
Cha	RS, RZ, TU, TX, YZ, BW, EW
Cir	S, Y, RR, RZ, VY, AQ, AT, BB, BD, BN, CL, DK, DL, DM
Cnc	S, RY, SW, TU, TX, TY, UU, UZ, VY, WW, WX, WY, XZ, YY, ZZ, AB, AC, AD, AE, AH, AO, EH, ES, EV, FF, GQ, GW, GY, HN, IL, IM, IN, IO, IQ, IR, IT, IU, KM, KT, LM, LU
Col	U, RS, RZ
Com	RW, RZ, SS, UX, VY, AQ, CC, CM, CN, DD, DG, EK, EQ, KK, KR, LL, LO, LP, LQ, LR, LT, MM, MR, NN
CrA	RW, TY, V0359, V0681, V0730, V0731, V0732, V0733, V0454, Eps
CrB	U, RT, RW, RZ, TU, TW, UX, YY, AM, AR, AS, AV
CrV	RZ, SX
Crt	V, Z, RV, TW, VV, AC
Cru	W, VZ, XY, ZZ, AB, AC, AE, AI, AN, AR, AY, DN, EO, EQ, ET
Crv	W, Y, Z, RR, RV, WZ
Cyg	Y, SW, SY, UW, UZ, VV, VW, WW, WZ, ZZ, AE, BO, BR, CG, CV, DK, DL, DO, DP, DX, EE, EM, EN, FR, GG, GM, GO, GT, GV, HK, KR, KU, KV, LN, LO, MR, MY, NU, NZ, PQ, PV, PW, PY, QS, QT, QU, QW, QX, V1326, V0499, V0889, V0610, V0620, V0513, V0975, V0642, V0891, V0490, V0478, V0501, V0371, V0874, V0398, V2150, V0453, V0470, V1018, V1171, V0635, V0824, V0346, V0885, V1425, V2290, V0435, V2181, V0443, V0974, V1665, V0850, V0922, V0458, V1187, V0698, V0448, V0466, V0970, V1669, V0447, V0367, V0493, V0725, V0939, V0387, V1729, V0961, V2239, V0963, V0444, V0886, V0700, V1414, V0382, V0704, V0526, V0745, V0442, V1321, V0469, V0822, V0995, V0463, V0454, V0525, V0873, V1188, V0345, V0385, V0909, V0807, V1034, V0456, V1723, V0787, V0726, V0498, V0934, V0711, V1136, V1918, V0728, V0366, V0541, V0616, V0512, V1196, V0445, V0505, V0748, V0488, V0749, V1083, V0548, V0706, V1068, V0836, V0870, V0932, V1013, V1045, V1355, V1302, V1074, V0587, V0483, V0509, V0689, V0699, V0887, V1009, V0496, V0912, V0957, V0809, V0869, V0877, V0964, V0502, V0907, V0965, V1898, V0979, V2280, V0508, V0842, V0519, V0370, V0981, V0651, V1580, V0906, V0687, V1130, V1143, V0865, V1048, V1457, V0940, V0880, V0796, V1345, V1051, V1010, V1141, V0680, V1189, V0477, V0803, V0959, V1870, V0693, V0753, V0681, V0931, V0484, V1908, V1004, V1066, V1019, V1023, V0941, V0534, V0841, V1256, V1932, V2291, V0856, V1856, V1901, V0902, V1011, V1436, V1763, V0910, V2197, V2294, V2284, V0815, V1941, V2263, V2277, V2471, V2474, V0348, V0494, V0504, V0537, V0692, V0743, V1305, V1616, V2080, V2148, V2311, V2421, V2476, V2478, V2483, V2485, V2486, V0474, V0664, V0679, V1200, V1416, V2363, V2366, V2480, V0455, V1815, V2154, V2469, V0536, V1508, V2287, V2477, V2422, V1481, V1823, V0866, V1047, V0884, V0388, V0729, V0871, V1142, V0853, V0962, V0530, V1905, V1787, V1411, V1193, V1401, V2021, V2278, V0652, V0947, V1147, V2282, V0628, V1073, V1061, V1417, V0703, V0859, V2364, V2240, V0500, V0828, V1036, V1356, V0401, V1191, G3152-1202, G2704-1999, G2711-0645, G3581-1856, G2137-0222, G2685-1186, G3576-0170, G3612-1565, G3575-3593
Del	W, RR, TT, TY, XX, YY, AL, AV, BH, BI, BL, BN, BO, BT, BW, BY, CN, DM, EQ, ET, EW, EX, FH, FI, FK, FR, FZ, GG, LS, LY, MP, MR, MX, OT, G1115-0672, G1648-0525, G1648-0845
Dor	RW, AA, AV
Dra	Z, RR, RX, RZ, SX, TW, TZ, UZ, WW, WX, XY, AI, AK, AR, AU, AX, BE, BF, BH, BL, BS, BU, BV, BW, BX, CK, CM, CV, DW, EF, FU, FX, GM, GQ, GV, GZ, HL, HP, IV, KK, KZ, LN, LQ, LU, LZ, MU, MY, MZ, NN, NO, NP, NT, NV, NW, OO, OX, V0341, G3523-0505, G4421-1708, G4436-1300, G4439-1124, G4449-1278, G3552-0321, G4420-1984, G4421-1217, G4181-0713, G4428-1574, G3905-0060, G3888-0464, G3900-0615, G4449-0995
Equ	S, W, RZ, SV
Eri	RU, RY, TZ, UX, VV, WW, YY, ZZ, AA, AK, AM, AS, BC, BL, BQ, BU, BV, BW, BZ, CD, CT, CW, FO, FX, GH, GK, HN, IY, KZ, LW
For	W, AE, AK, AT, AU
Gem	U, RU, RW, RX, RY, SV, SX, TX, TZ, WW, YY, AC, AE, AF, AH, AI, AL, AN, AV, AY, AZ, BD, BH, BO, BS, BT, CK, CP, CU, CV, CW, CX, DD, DG, DP, DR, DV, EF, EG, EL, EN, EY, FG, FO, FQ, FT, GM, GP, GR, GV, GW, GX, GZ, HI, HR, HY, IM, IN, KM, KQ, KV, KY, LO, LP, MR, MU, OR, OW, PV, QT, QW, V0415, V0372, V0373, V0382, V0386, V0389, V0390, V0414, V0367, V0399, V0402, V0380, V0383, V0388, V0404, V0401, V0416, V0339, V0428, V0345, V0410, V0337
Gru	W, BC, DT, DU, DY, G7493-0278, G8439-1269
Her	Z, RX, SZ, TT, TU, TX, UX, AK, AW, BC, BO, BV, CC, CT, DD, DH, DI, DK, DP, EF, ES, FN, FW, GL, GU, HS, HZ, IK, IT, IX, KL, LP, LT, LV, MM, MS, MT, MX, PW, V0501, V1003, V0450, V0490, V0718, V1043, V1024, V0359, V0733, V1065, V0789, V0878, V0742, V1069, V0381, V0624, V1070, V0842, V1058, V0338, V0502, V0366, V1074, V1050, V0643, V1047, V0357, V1038, V1100, V1055, V1033, V1097, V1034, V0513, V0921, V0412, V1039, V0387, V1073, V0848, V0342, V0477, V0948, V0899, V1028, V0747, V0426, V0516, V0856, V0912, V1011, V1106, V1134, V0772, V0836, V1041, V1062, V1092, V1119, V1133, V1032, V1049, V1054, V1072, V1101, V1105, V0822, V1045, V1067, V1088, V1035, V1066, V1095, V1103, V1102, V0865, V1096, V1044, V1104, V0819, V0728, V1037, V0687, V0857, V0740, V1109, V0920, V0731, V1094, V1057, V1042, V1053, V1064, V1068, V1098, V1036, V1005, V0719, V0861, V0829, V1091, V1052, V0972, V1071, V0994, V0607, V0732, V1031, V0874, G0963-0246, G1588-0632, G2614-1369, G0380-0247, G3532-0553, G2615-1821, G1518-0913, G2587-0289, G3510-0005, G1537-1557, G3080-1410, G3097-1297, G3101-0547, G3106-1368, G2618-1385, G3510-1283, G2056-0117, G2052-1108, G2587-1888, G1549-0121, 68u
Hor	SY, WY
Hya	RX, SX, SY, TT, TY, UW, UY, VW, VY, VZ, WY, XZ, AE, AF, AI, AL, AS, AV, CQ, CU, DE, DF, DI, DK, DZ, EE, ER, EU, EZ, FG, FO, GK, GM, GN, HS, HU, KT, KW, KY, NY, OW, QR, QY, V0356, V0554, V0555, V0432, V0435, V0441, V0340, V0412, V0474, V0553, V0404, V0410, V0409, V0358, V0468, V0470, V0472, V0475, V0426, V0502, V0514, V0476, V0390
Hyi	RT
Ind	RS, RY, SU, CH, CN, CO, CP, CQ, CR, CT, CU, CW, G8427-0556
LMi	T, RT, UV, UW, VW, WZ, XX, XY, AG
Lac	RT, RW, SW, TW, TZ, UW, VV, VX, VY, ZZ, AG, AR, AU, AW, BP, BS, CF, CG, CM, CN, CO, CS, CY, DG, EK, EL, EM, EO, EP, EQ, ES, EU, EX, FI, FL, FP, GH, GX, HR, HW, HX, HZ, IL, IM, IP, IR, IU, IZ, KO, LU, LY, LZ, MO, MW, MZ, NR, NS, NW, OO, OP, OS, OX, PP, V0407, V0402, V0345, V0364, V0450, V0455, V0339, V0456, V0457, V0459, V0458, V0441, V0344, V0342, V0401, HVK8
Leo	Y, RT, RW, TX, UU, UV, UX, UZ, VZ, WY, WZ, XX, XY, XZ, AG, AL, AM, AP, BG, BL, BV, BW, CE, DO, DU, ET, EX, FK, FM, FS, GU, GV, GW, HI, HR, HS, IQ, G1965-0735
Lep	V, Z, RR, RS, RU, AR
Lib	RV, SS, TY, VZ, WX, AA, AE, AS, BW, EI, ES, FU, FW, GI, GK, GY, IL, IR, IV, KQ, KZ, LM, del
Lup	SX, FS, FT, FV, GG, IQ, OO, OQ, OS, OT, OU, OW, OX, PP, PZ, QQ, QT, QV, V0353, V0363
Lyn	RR, RV, RY, RZ, SW, SX, TY, UU, UV, AH, BG, CC, CD, CN, DE, DY, DZ, EH, EL, FI, FO, FT
Lyr	RV, TT, TZ, UZ, AA, AH, AK, BV, DF, DT, DU, DZ, ET, EW, EX, FG, FH, FL, GZ, HP, HT, IP, IW, IY, KT, LZ, MN, MZ, NS, NV, NY, OT, PS, PV, PY, QU, V0569, V0571, V0531, V0411, V0404, V0361, V0417, V0574, V0336, V0477, V0583, V0576, V0582, V0401, V0429, V0412, V0406, V0579, V0580, V0466, V0507, V0589, V0573, V0581, V0591, V0592, V0563, V0431, V0572, V0376, V0512, V0461, V0596, V0594, V0400, G3109-0859, G3526-1995, G3526-2369, G3108-0057, bet
Men	TY, UX, AN, AW
Mic	CY, CZ, DE, DG, G7483-0259
Mon	RU, RW, TU, TV, UU, UV, UX, VV, VX, XZ, AN, AO, AQ, AR, AS, AT, AW, AY, BB, BH, BM, BO, BP, BZ, CC, CE, CF, CK, CP, DD, DN, DW, EH, EI, EP, EW, FH, FN, FP, FS, FV, FW, GG, GH, GO, GU, HI, HK, HM, HP, HT, HY, IL, IM, IS, IU, IX, IZ, KR, MX, NN, NS, V0536, V0501, V0532, V0498, V0453, V0460, V0684, V0528, V0505, V0842, V0458, V0868, V0456, V0864, V0395, V0455, V0464, V0496, V0448, V0396, V0454, V0494, V0384, V0450, V0527, V0634, V0383, V0891, V0904, V0459, V0560, V0680, V0866, V0878, V0879, V0880, V0881, V0882, V0883, V0888, V0896, V0927, V0451, V0463, V0877, V0948, V0507, V0958, V0442, V0457, V0524, V0515, V0863, V0722, V0929, V0934, V0935, V0925, V0380, V0404, V0521, V0635, V0874, V0753, V0681, V0514, V0843, V0714, V0530
Mus	TU, TV, BP, LQ, LX, MR, MY, OR, OY, PV
Nor	Z, RR, TV, GK, IR, IT, V0396, V0392, V0394, V0395, V0400, V0373, V0384, V0398
Oct	UZ, DD, DU, EN, EP, ES
Oph	U, RV, RZ, SW, SX, SZ, UU, WZ, AL, V0391, V0511, V0378, V0557, V0572, V0636, V0586, V0916, V0752, V0573, V0441, V0423, V0735, V0913, V0449, V0509, V0709, V0577, V2377, V2203, V1010, V0451, V0506, V0501, V1811, V0981, V0456, V0508, V2553, V0487, V0947, V0954, V2600, V2642, V2653, V2425, V2626, V2637, V0415, V1125, V2332, V0448, V0987, V1120, V2383, V1022, V1080, V2612, V2394, V2037, V2660, V2663, V2657, V2536, V2365, V2604, V2650, V2635, V0760, V1677, V2640, V2056, V1058, V0528, V2388, V0941, V0496, V1016, V2610, V0839, V0566, V2357, V0502, G5649-0113, G0995-1646, G0430-0866
Ori	Z, UW, VV, BM, CP, CQ, DN, DX, DZ, EF, EG, EQ, ER, ES, ET, EW, EY, FF, FH, FI, FK, FL, FO, FR, FT, FZ, GG, GU, OS, QT, QV, V2787, V0530, V0645, V1851, V2788, V1016, V0341, V0642, V1031, V0392, V0640, V0644, V0643, V0641, V0648, V0647, V1638, V1633, V0688, V1811, V1815, V0536, V1387, V1804, V1824, V0517, V1027, V1865, V2790, V1626, V0519, V1853, V1848, V0667, V0668, V1388, V1375, V1384, V0343, V2757, V2784, V1834, V1353, V2783, V1202, V1363, V1799, V1847, del
Pav	BF, HY, KZ, LT, MW, MX, NP, V0401, V0402, V0404, V0362, V0400
Peg	U, TY, UX, VW, WZ, ZZ, AQ, AT, AW, AY, BB, BG, BK, BN, BO, BQ, BW, BX, BY, BZ, CC, CE, CF, CU, CW, CZ, DF, DI, DK, DM, DO, DP, DV, EE, EH, ER, EU, EY, FL, GH, GP, IP, KP, KS, KW, LX, MQ, OO, PU, QT, V0396, V0416, V0351, V0365, V0421, V0404, V0407, V0357, V0411, G1664-0249, G1664-1837, G1721-1141, G2755-2136, G1685-0588, G2751-1007, G2765-0348, G1649-1573, G1127-1808
Per	Z, RT, RV, RW, RY, ST, WY, XZ, AB, AG, AY, BB, BE, BO, BP, BY, CC, CH, DK, DM, DV, DX, DZ, EQ, EX, FQ, FW, HK, HS, HV, HW, II, IK, IM, IQ, IT, IU, IZ, KL, KN, KR, KW, LS, LX, MS, NO, NP, NZ, OX, PS, QT, QU, QV, QW, V0579, V0871, V0436, V0511, V0337, V0365, V0505, V0514, V0457, V0427, V0364, V0432, V0366, V0434, V0450, V0731, V0733, V0736, V0723, V0740, V0887, V0680, V0578, V0592, V0959, V0449, V0570, V0964, V0877, V0947, V0951, V0963, V0732, V0884, V0873, V0737, V0482, V0881, V0462, G3328-0163, G2850-1075, G2361-2410, Bet
Phe	YZ, AD, AE, AG, CX, DE, zet
Pic	RV, SU, WZ
PsA	X, RW, XZ, YY, ZZ, G7493-1749
Psc	Y, RV, SU, SX, SZ, UV, UW, VZ, AC, AQ, BX, CP, DS, DV, DZ, EM, ER, EU, EX, EY, GR, GW, HO, G0013-0976
Pup	TY, UZ, XZ, AN, AV, AY, AZ, BR, BS, BT, CG, DF, DS, EN, EQ, GK, GY, GZ, HI, KW, KX, MP, MQ, NO, V0626, V0365, V0605, V0608, V0611, V0615, V0621, V0625, V0627, V0637, V0640, V0642, V0595, V0414, V0438, V0579, V0581, V0582, V0583, V0587, V0589, V0362, V0610, V0617
Pyx	RZ, SW, TT, AC, CR, CU, DL, DM, DN
Ret	UX, VY, VZ
Scl	RT, SZ, VZ, CE, CG, CH, CI, G7517-0234
Sco	FV, V0883, V0701, V0842, V0784, V1055, V0569, V1084, V1290, V0457, V0562, V0726, V1283, V1284, V1286, V1295, V1296, V1297, V1299, V1300, V1304, V1305, V1044, V1288, V0907, V1046, V1082, V1195, V1216, V1226, V1229, V1270, V0499
Sct	U, RS, RZ, VX, VY, VZ, XY, AC, BS, CF, CR, CW, DK, ER, EY, EZ, FG, FZ, GM, V0494, V0493, V0495, V0484
Ser	V, RS, AK, AO, AQ, AS, AU, BI, BU, CC, CQ, CX, EG, LX, MT, MX, MY, OU, PS, V0335, V0384, V0385, V0413, V0399, G0366-0196, G5113-1089, G2038-0293
Sex	Y, VY, WW, WX, WY, WZ, XX, AI
Sge	U, V, SY, TU, UU, UZ, WZ, BR, CK, CP, CU, CW, DE, DK, DL, DM, EI, FF, FL, FP, FX, GN, GO, V0371, V0366, V0369, V0365, V0343
Sgr	RS, SX, WX, WY, XY, XZ, YY, ZZ, AI, BN, BQ, DV, EG, V1647, V1933, V1961, V4202, V3794, V4197, V0505, V1071, V4396, V2617, V5542, V5562, V5565, V5570, V5571, V5575, V5576, V0524, V5563, V0743, V1963, V5552, V5553, V4386, V0902, V3903, V1133, V1068, V0792, V0525
Tau	RW, RZ, SV, TY, WY, AC, AH, AL, AM, AN, AP, AQ, AS, BN, BU, BV, CC, CD, CF, CR, CT, CU, EN, EO, EQ, ES, ET, GQ, GR, GW, HU, HY, IL, IV, V0726, V1154, V1094, V0471, V0407, V1123, V1128, V1188, V1284, V1311, V1126, V1121, V1250, V1295, V1022, V1220, V1223, V1260, V1370, V1130, V1222, V1241, V1249, V1112, V1237, V1061, V1332, V1268, V1356, V1129, V1369, V1229, V1352, V1239, V1374, V1234, V0781, V1367, Lam
Tel	HO, V0351, V0356, V0357, V0360, V0361, V0362, V0363, V0364, V0366, V0368, V0354
TrA	RR, EP, GN, MP, MZ, NO, NT, NV, G9027-4849
Tra	MN
Tri	V, X, RS, RU, RV, RW, ST, TY, VW, VZ, WW, AK, AU, AV, BU, BV, CD
Tuc	AQ, DK, DN, DX, EI, EK, EM
UMA	OY
UMa	W, RW, TW, TX, TY, UX, UY, VV, XY, XZ, ZZ, AA, AC, AF, AN, AW, BE, BG, BH, BM, BQ, BS, DN, DW, ES, FT, GZ, HH, HN, HV, HX, II, IW, KM, LO, LP, MQ, MS, MT, MW, NT, NU, NV, OQ, OX, QT, V0342, V0343
UMi	W, RS, RT, RU, RZ, TU, TV, VV, VW, VY, WW, ZZ
Vel	AO, AS, BP, BY, CW, ET, FM, FW, FX, GG, GT, NT, NX, PQ, QY, V0356, V0403, V0404, V0405, V0406, V0407, V0409, V0428, V0431, V0432, V0440, V0340, V0349, del
Vir	UW, UY, VV, AG, AH, AK, AW, AX, AZ, BD, BF, BH, CG, CM, CX, DL, DM, DY, FO, FQ, GK, GR, HT, HW, HY, IR, KZ, LU, MS, NN, NY, PS, PT, PY, QU, QX, V0591, V0347, V0337, V0340, V0342, V0546, V0486, V0391, V0415, V0467, V0355, G0329-0256
Vol	YZ, ZZ, AE, AF, AG
Vul	Z, RR, RS, VV, VY, XZ, AB, AT, AW, AX, AY, AZ, BE, BG, BI, BK, BO, BP, BS, BT, BU, CD, CS, DN, DR, EO, EQ, ER, EU, EV, EY, FF, FM, FO, FQ, FR, FW, GI, GN, GO, GP, GR, GU, GV, HI, HP, HS, IM, IW, KN, MN, NO, NP, V0456, V0394, V0467, G1624-0493, G2144-1499, G2166-0041, G2167-0490, G2140-1485, G2192-1283

Page Editor: Matthew Templeton
Last Updated: April 27, 2012 - 7:58am

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Bob Nelson's O-C files

Eclipsing Binary O-C Files

Constellations

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