Sources for which significant periods have been detected. All units are in d. References for the published orbital periods are: (1) Galache et al. (2008); (2) Schmidtke et al. (2006); (3) Coe et al. (2005); (4) Edge (2005); (5) Schmidtke & Cowley (2005); (6) Schmidtke et al. (2004); (7) McGowan et al. (2007); (8) Schmidtke & Cowley (2006); (9) McGowan et al. (2008); (10) Coe et al. (2009); (12) Townsend et al. (2009); (13) Schurch et al. (2009); (14) Schmidtke & Cowley (2007); (15) Coe et al. (2008); (16) Townsend et al. (2011); (17) Schurch et al. (2011); (18) Schurch, Udalski & Coe (2008); (19) Coe & Edge (2004); (20) Rajoelimanana et al. (2011); (21) Schmidtke, Cowley & Udalski (2009a).
| Source | X-ray Porb (d) | Pub Popt (d) | Our Popt (d) | Detrend (d) |
| SXP2.37 | 18.38[16] | 18.62[18] | 9.30 ± 0.01 | 51 |
| SXP2.76 | – | 82.1[2] | 81.81 ± 0.06 | 101 |
| SXP3.34 | – | – | 10.7248 ± 0.0006 | 51 |
| SXP6.85 | 21.9[16] | 114[9] | – | – |
| SXP7.78 | 44.92[1] | 44.6[3] | 44.93 ± 0.01 | 101 |
| SXP7.92 | – | 36.8[10] | 35.61 ± 0.05 | 101 |
| SXP8.80 | 28.5[1, 16] | – | – | – |
| SXP9.13 | – | 40.17[4] | – | – |
| SXP11.5 | 36.3[12] | – | – | – |
| SXP15.3 | – | 75.1[4] | 74.32 ± 0.03 | 101 |
| SXP18.3 | 17.7[1] | 17.7[13] | 17.79 ± 0.03 | 101 |
| SXP22.1 | – | – | 83.7 ± 0.1 | 101 |
| SXP25.5 | – | 22.50[20] | 22.53 ± 0.01 | 51 |
| SXP31.0 | – | 90.4[2] | 90.53 ± 0.07 | 101 |
| SXP46.6 | 137.36[1] | 137[9] | 137.4 ± 0.2 | 165 |
| SXP59.0 | 122.25[1] | 60.2[5] | – | |
| SXP65.8 | – | 110[14] | 111.04 ± 0.15 | 201 |
| SXP74.7 | 33.38[16] | 33.4[4, 5] | 33.387 ± 0.006 | 101 |
| SXP91.1 | – | 88.2[6] | 88.37 ± 0.03 | 101 |
| SXP101 | – | 21.9[7] | 21.949 ± 0.003 | 101 |
| SXP140 | – | 197[8] | – | |
| SXP169 | 68.5[1] | 67.6[2] | 68.37 ± 0.07 | 101 |
| SXP172 | 70.4[17] | 69.9[8] | 68.78 ± 0.08 | 81 |
| SXP202B | – | 229.9[17] | 224.6 ± 0.3 | 501 |
| SXP214 | – | – | 4.5832 ± 0.0004 | 101 |
| SXP264 | – | 49.1[4] | 49.12 ± 0.03 | 101 |
| SXP280 | – | 127[2] | 127.62 ± 0.25 | 201 |
| SXP293 | – | 59.7[6] | 59.726 ± 0.006 | 101 |
| SXP304 | – | 520[8] | – | – |
| SXP323 | 116.6[1] | – | – | – |
| SXP327 | – | 45.9[15] | 45.93 ± 0.01 | 101 |
| SXP455 | – | 74.7[6] | 74.56 ± 0.05 | 101 |
| SXP455 | – | – | 209.6 ± 0.8 | 301 |
| SXP504 | 265.3[1] | 273[5] | 270.1 ± 0.5 | 501 |
| SXP565 | 151.8[1] | 95.3[6] | 152.4 ± 0.3 | 301 |
| SXP701 | – | 412[5] | – | – |
| SXP756 | – | 11.4[19] | 11.404 ± 0.001 | 31 |
| SXP756 | 389.9[1] | 394[2] | 393.6 ± 1.2 | 501 |
| SXP893 | – | – | 3.7434 ± 0.0005 | 51 |
| SXP967 | – | 101.94[21] | 101.4 ± 0.2 | 151 |
| SXP1323 | – | – | 7.9101 ± 0.0004 | 25 |
| SXP1323 | – | 26.1[8] | 26.174 ± 0.002 | 101 |
| Source | X-ray Porb (d) | Pub Popt (d) | Our Popt (d) | Detrend (d) |
| SXP2.37 | 18.38[16] | 18.62[18] | 9.30 ± 0.01 | 51 |
| SXP2.76 | – | 82.1[2] | 81.81 ± 0.06 | 101 |
| SXP3.34 | – | – | 10.7248 ± 0.0006 | 51 |
| SXP6.85 | 21.9[16] | 114[9] | – | – |
| SXP7.78 | 44.92[1] | 44.6[3] | 44.93 ± 0.01 | 101 |
| SXP7.92 | – | 36.8[10] | 35.61 ± 0.05 | 101 |
| SXP8.80 | 28.5[1, 16] | – | – | – |
| SXP9.13 | – | 40.17[4] | – | – |
| SXP11.5 | 36.3[12] | – | – | – |
| SXP15.3 | – | 75.1[4] | 74.32 ± 0.03 | 101 |
| SXP18.3 | 17.7[1] | 17.7[13] | 17.79 ± 0.03 | 101 |
| SXP22.1 | – | – | 83.7 ± 0.1 | 101 |
| SXP25.5 | – | 22.50[20] | 22.53 ± 0.01 | 51 |
| SXP31.0 | – | 90.4[2] | 90.53 ± 0.07 | 101 |
| SXP46.6 | 137.36[1] | 137[9] | 137.4 ± 0.2 | 165 |
| SXP59.0 | 122.25[1] | 60.2[5] | – | |
| SXP65.8 | – | 110[14] | 111.04 ± 0.15 | 201 |
| SXP74.7 | 33.38[16] | 33.4[4, 5] | 33.387 ± 0.006 | 101 |
| SXP91.1 | – | 88.2[6] | 88.37 ± 0.03 | 101 |
| SXP101 | – | 21.9[7] | 21.949 ± 0.003 | 101 |
| SXP140 | – | 197[8] | – | |
| SXP169 | 68.5[1] | 67.6[2] | 68.37 ± 0.07 | 101 |
| SXP172 | 70.4[17] | 69.9[8] | 68.78 ± 0.08 | 81 |
| SXP202B | – | 229.9[17] | 224.6 ± 0.3 | 501 |
| SXP214 | – | – | 4.5832 ± 0.0004 | 101 |
| SXP264 | – | 49.1[4] | 49.12 ± 0.03 | 101 |
| SXP280 | – | 127[2] | 127.62 ± 0.25 | 201 |
| SXP293 | – | 59.7[6] | 59.726 ± 0.006 | 101 |
| SXP304 | – | 520[8] | – | – |
| SXP323 | 116.6[1] | – | – | – |
| SXP327 | – | 45.9[15] | 45.93 ± 0.01 | 101 |
| SXP455 | – | 74.7[6] | 74.56 ± 0.05 | 101 |
| SXP455 | – | – | 209.6 ± 0.8 | 301 |
| SXP504 | 265.3[1] | 273[5] | 270.1 ± 0.5 | 501 |
| SXP565 | 151.8[1] | 95.3[6] | 152.4 ± 0.3 | 301 |
| SXP701 | – | 412[5] | – | – |
| SXP756 | – | 11.4[19] | 11.404 ± 0.001 | 31 |
| SXP756 | 389.9[1] | 394[2] | 393.6 ± 1.2 | 501 |
| SXP893 | – | – | 3.7434 ± 0.0005 | 51 |
| SXP967 | – | 101.94[21] | 101.4 ± 0.2 | 151 |
| SXP1323 | – | – | 7.9101 ± 0.0004 | 25 |
| SXP1323 | – | 26.1[8] | 26.174 ± 0.002 | 101 |
Sources for which significant periods have been detected. All units are in d. References for the published orbital periods are: (1) Galache et al. (2008); (2) Schmidtke et al. (2006); (3) Coe et al. (2005); (4) Edge (2005); (5) Schmidtke & Cowley (2005); (6) Schmidtke et al. (2004); (7) McGowan et al. (2007); (8) Schmidtke & Cowley (2006); (9) McGowan et al. (2008); (10) Coe et al. (2009); (12) Townsend et al. (2009); (13) Schurch et al. (2009); (14) Schmidtke & Cowley (2007); (15) Coe et al. (2008); (16) Townsend et al. (2011); (17) Schurch et al. (2011); (18) Schurch, Udalski & Coe (2008); (19) Coe & Edge (2004); (20) Rajoelimanana et al. (2011); (21) Schmidtke, Cowley & Udalski (2009a).
| Source | X-ray Porb (d) | Pub Popt (d) | Our Popt (d) | Detrend (d) |
| SXP2.37 | 18.38[16] | 18.62[18] | 9.30 ± 0.01 | 51 |
| SXP2.76 | – | 82.1[2] | 81.81 ± 0.06 | 101 |
| SXP3.34 | – | – | 10.7248 ± 0.0006 | 51 |
| SXP6.85 | 21.9[16] | 114[9] | – | – |
| SXP7.78 | 44.92[1] | 44.6[3] | 44.93 ± 0.01 | 101 |
| SXP7.92 | – | 36.8[10] | 35.61 ± 0.05 | 101 |
| SXP8.80 | 28.5[1, 16] | – | – | – |
| SXP9.13 | – | 40.17[4] | – | – |
| SXP11.5 | 36.3[12] | – | – | – |
| SXP15.3 | – | 75.1[4] | 74.32 ± 0.03 | 101 |
| SXP18.3 | 17.7[1] | 17.7[13] | 17.79 ± 0.03 | 101 |
| SXP22.1 | – | – | 83.7 ± 0.1 | 101 |
| SXP25.5 | – | 22.50[20] | 22.53 ± 0.01 | 51 |
| SXP31.0 | – | 90.4[2] | 90.53 ± 0.07 | 101 |
| SXP46.6 | 137.36[1] | 137[9] | 137.4 ± 0.2 | 165 |
| SXP59.0 | 122.25[1] | 60.2[5] | – | |
| SXP65.8 | – | 110[14] | 111.04 ± 0.15 | 201 |
| SXP74.7 | 33.38[16] | 33.4[4, 5] | 33.387 ± 0.006 | 101 |
| SXP91.1 | – | 88.2[6] | 88.37 ± 0.03 | 101 |
| SXP101 | – | 21.9[7] | 21.949 ± 0.003 | 101 |
| SXP140 | – | 197[8] | – | |
| SXP169 | 68.5[1] | 67.6[2] | 68.37 ± 0.07 | 101 |
| SXP172 | 70.4[17] | 69.9[8] | 68.78 ± 0.08 | 81 |
| SXP202B | – | 229.9[17] | 224.6 ± 0.3 | 501 |
| SXP214 | – | – | 4.5832 ± 0.0004 | 101 |
| SXP264 | – | 49.1[4] | 49.12 ± 0.03 | 101 |
| SXP280 | – | 127[2] | 127.62 ± 0.25 | 201 |
| SXP293 | – | 59.7[6] | 59.726 ± 0.006 | 101 |
| SXP304 | – | 520[8] | – | – |
| SXP323 | 116.6[1] | – | – | – |
| SXP327 | – | 45.9[15] | 45.93 ± 0.01 | 101 |
| SXP455 | – | 74.7[6] | 74.56 ± 0.05 | 101 |
| SXP455 | – | – | 209.6 ± 0.8 | 301 |
| SXP504 | 265.3[1] | 273[5] | 270.1 ± 0.5 | 501 |
| SXP565 | 151.8[1] | 95.3[6] | 152.4 ± 0.3 | 301 |
| SXP701 | – | 412[5] | – | – |
| SXP756 | – | 11.4[19] | 11.404 ± 0.001 | 31 |
| SXP756 | 389.9[1] | 394[2] | 393.6 ± 1.2 | 501 |
| SXP893 | – | – | 3.7434 ± 0.0005 | 51 |
| SXP967 | – | 101.94[21] | 101.4 ± 0.2 | 151 |
| SXP1323 | – | – | 7.9101 ± 0.0004 | 25 |
| SXP1323 | – | 26.1[8] | 26.174 ± 0.002 | 101 |
| Source | X-ray Porb (d) | Pub Popt (d) | Our Popt (d) | Detrend (d) |
| SXP2.37 | 18.38[16] | 18.62[18] | 9.30 ± 0.01 | 51 |
| SXP2.76 | – | 82.1[2] | 81.81 ± 0.06 | 101 |
| SXP3.34 | – | – | 10.7248 ± 0.0006 | 51 |
| SXP6.85 | 21.9[16] | 114[9] | – | – |
| SXP7.78 | 44.92[1] | 44.6[3] | 44.93 ± 0.01 | 101 |
| SXP7.92 | – | 36.8[10] | 35.61 ± 0.05 | 101 |
| SXP8.80 | 28.5[1, 16] | – | – | – |
| SXP9.13 | – | 40.17[4] | – | – |
| SXP11.5 | 36.3[12] | – | – | – |
| SXP15.3 | – | 75.1[4] | 74.32 ± 0.03 | 101 |
| SXP18.3 | 17.7[1] | 17.7[13] | 17.79 ± 0.03 | 101 |
| SXP22.1 | – | – | 83.7 ± 0.1 | 101 |
| SXP25.5 | – | 22.50[20] | 22.53 ± 0.01 | 51 |
| SXP31.0 | – | 90.4[2] | 90.53 ± 0.07 | 101 |
| SXP46.6 | 137.36[1] | 137[9] | 137.4 ± 0.2 | 165 |
| SXP59.0 | 122.25[1] | 60.2[5] | – | |
| SXP65.8 | – | 110[14] | 111.04 ± 0.15 | 201 |
| SXP74.7 | 33.38[16] | 33.4[4, 5] | 33.387 ± 0.006 | 101 |
| SXP91.1 | – | 88.2[6] | 88.37 ± 0.03 | 101 |
| SXP101 | – | 21.9[7] | 21.949 ± 0.003 | 101 |
| SXP140 | – | 197[8] | – | |
| SXP169 | 68.5[1] | 67.6[2] | 68.37 ± 0.07 | 101 |
| SXP172 | 70.4[17] | 69.9[8] | 68.78 ± 0.08 | 81 |
| SXP202B | – | 229.9[17] | 224.6 ± 0.3 | 501 |
| SXP214 | – | – | 4.5832 ± 0.0004 | 101 |
| SXP264 | – | 49.1[4] | 49.12 ± 0.03 | 101 |
| SXP280 | – | 127[2] | 127.62 ± 0.25 | 201 |
| SXP293 | – | 59.7[6] | 59.726 ± 0.006 | 101 |
| SXP304 | – | 520[8] | – | – |
| SXP323 | 116.6[1] | – | – | – |
| SXP327 | – | 45.9[15] | 45.93 ± 0.01 | 101 |
| SXP455 | – | 74.7[6] | 74.56 ± 0.05 | 101 |
| SXP455 | – | – | 209.6 ± 0.8 | 301 |
| SXP504 | 265.3[1] | 273[5] | 270.1 ± 0.5 | 501 |
| SXP565 | 151.8[1] | 95.3[6] | 152.4 ± 0.3 | 301 |
| SXP701 | – | 412[5] | – | – |
| SXP756 | – | 11.4[19] | 11.404 ± 0.001 | 31 |
| SXP756 | 389.9[1] | 394[2] | 393.6 ± 1.2 | 501 |
| SXP893 | – | – | 3.7434 ± 0.0005 | 51 |
| SXP967 | – | 101.94[21] | 101.4 ± 0.2 | 151 |
| SXP1323 | – | – | 7.9101 ± 0.0004 | 25 |
| SXP1323 | – | 26.1[8] | 26.174 ± 0.002 | 101 |
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