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Table 3
Log of spectroscopic observations of VFTS 652; details are as for Table 2.
| Setting | MJD | Orbital | Primary radial velocities (kms-1) | Secondary | |||||
| Phase | He i | He i | Si iii | RV (kms-1) | |||||
| λ4387 | λ4471 | λ4552 | Mean | s.e. | He iiλ4541 | ||||
|
|
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| UVES | 54 791.3055 | 0.69 | 179.8 | 171.1 | 160.4 | 170.4 | 5.6 | ||
| UVES | 54 791.3271 | 0.69 | 173.0 | 172.4 | 179.9 | 175.1 | 2.4 | ||
| UVES | 54 792.1644 | 0.79 | 293.6 | 299.9 | 316.2 | 303.2 | 6.7 | ||
| UVES | 54 792.1860 | 0.79 | 301.7 | 293.3 | 320.1 | 305.0 | 7.9 | ||
| UVES | 54 847.1501 | 0.19 | 335.5 | 321.2 | 331.8 | 329.5 | 4.3 | ||
| UVES | 54 847.1717 | 0.19 | 322.0 | 317.2 | 320.1 | 319.8 | 1.4 | ||
| UVES | 54 892.0909 | 0.42 | 93.2 | 91.4 | 67.4 | 84.0 | 8.3 | ||
| UVES | 54 892.1125 | 0.43 | 113.5 | 91.4 | 82.6 | 95.8 | 9.2 | ||
| UVES | 54 894.0276 | 0.65 | 139.2 | 135.2 | 142.3 | 138.9 | 2.0 | ||
| UVES | 54 894.0492 | 0.65 | 137.8 | 132.6 | 125.4 | 131.9 | 3.6 | ||
| UVES | 54 896.0284 | 0.88 | 399.2 | 398.2 | 398.0 | 398.5 | 0.4 | ||
| UVES | 54 896.0504 | 0.88 | 397.8 | 396.9 | 399.3 | 398.0 | 0.7 | ||
| UVES | 54 897.0255 | 1.00 | 457.4 | 480.1 | ··· | 468.7 | 11.3 | ||
| UVES | 54 898.0463 | 0.12 | 408.6 | 408.9 | 400.6 | 406.0 | 2.7 | ||
| UVES | 54 898.0687 | 0.12 | 401.9 | 404.9 | 377.1 | 394.6 | 8.8 | ||
| UVES | 55 201.1762 | 0.41 | 91.8 | 87.4 | 78.7 | 85.9 | 3.9 | ||
| UVES | 55 201.1984 | 0.41 | 89.1 | 88.7 | 94.2 | 90.7 | 1.8 | ||
|
|
|||||||||
| LR02 | 54 804.0935 | 0.18 | 343.7 | 342.4 | 346.1 | 344.1 | 1.1 | }232 | |
| LR02 | 54 804.1151 | 0.18 | 338.2 | 331.8 | 347.4 | 339.1 | 4.5 | ||
| LR02 | 54 804.1368 | 0.18 | 338.2 | 339.8 | 344.8 | 340.9 | 2.0 | ||
| LR02 | 54 804.1584 | 0.19 | 336.9 | 335.8 | 338.3 | 337.0 | 0.7 | ||
| LR02 | 54 804.1801 | 0.19 | 332.8 | 333.1 | 334.4 | 333.4 | 0.5 | ||
| LR02 | 54 804.2016 | 0.19 | 324.7 | 334.5 | 329.2 | 329.4 | 2.8 | ||
| LR02 | 54 836.2280 | 0.92 | 431.7 | 431.4 | 440.8 | 434.6 | 3.1 | }212 | |
| LR02 | 54 836.2497 | 0.92 | 429.0 | 430.1 | 438.2 | 432.4 | 2.9 | ||
| LR02 | 54 836.2758 | 0.92 | 430.3 | 430.1 | 439.5 | 433.3 | 3.1 | ||
| LR02 | 54 836.2974 | 0.93 | 442.5 | 436.8 | 436.9 | 438.7 | 1.9 | ||
| LR02 | 54 867.0978 | 0.51 | 60.6 | 59.5 | 52.7 | 57.6 | 2.5 | }329 | |
| LR02 | 54 867.1195 | 0.52 | 63.4 | 63.5 | 61.8 | 62.9 | 0.5 | ||
| LR02 | 55 108.3179 | 0.60 | 83.7 | 86.1 | 82.6 | 84.1 | 1.0 | ··· | |
| LR02 | 55 114.3094 | 0.29 | 183.9 | 180.4 | 186.4 | 183.6 | 1.7 | }258 | |
| LR02 | 55 114.3310 | 0.30 | 183.9 | 179.0 | 191.6 | 184.8 | 3.7 | ||
| LR02 | 56 210.3545 | 0.90 | 419.5 | 410.1 | 418.9 | 416.2 | 3.0 | }247 | |
| LR02 | 56 210.3665 | 0.90 | 417.2 | 404.2 | 424.1 | 415.2 | 5.8 | ||
| LR02 | 56 210.3785 | 0.90 | 410.7 | 411.4 | 426.0 | 416.0 | 5.0 | ||
| LR02 | 56 217.3299 | 0.71 | 192.7 | 182.5 | 195.4 | 190.2 | 3.9 | }338 | |
| LR02 | 56 217.3419 | 0.71 | 196.0 | 181.8 | 199.9 | 192.6 | 5.5 | ||
| LR02 | 56 217.3538 | 0.71 | 192.2 | 185.4 | 203.8 | 193.8 | 5.4 | ||
| LR02 | 56 243.3377 | 0.74 | 229.1 | 212.2 | 236.8 | 226.0 | 7.3 | }278 | |
| LR02 | 56 243.3497 | 0.74 | 232.2 | 215.3 | 237.0 | 228.2 | 6.6 | ||
| LR02 | 56 243.3616 | 0.74 | 233.7 | 217.6 | 237.8 | 229.7 | 6.2 | ||
| LR02 | 56 256.2607 | 0.24 | 267.8 | 240.1 | 266.4 | 258.1 | 9.0 | }297 | |
| LR02 | 56 256.2727 | 0.24 | 260.6 | 236.7 | 269.7 | 255.7 | 9.8 | ||
| LR02 | 56 256.2846 | 0.24 | 256.4 | 242.9 | 264.0 | 254.4 | 6.2 | ||
| LR02 | 56 257.1301 | 0.34 | 151.9 | 128.2 | 145.2 | 141.8 | 7.1 | }297 | |
| LR02 | 56 257.1421 | 0.34 | 142.8 | 131.9 | 139.3 | 138.0 | 3.2 | ||
| LR02 | 56 257.1541 | 0.34 | 138.4 | 128.7 | 142.2 | 136.4 | 4.0 | ||
| LR02 | 56 277.3081 | 0.69 | 174.9 | 173.2 | 187.8 | 178.6 | 4.6 | }376 | |
| LR02 | 56 277.3201 | 0.69 | 183.0 | 172.7 | 192.4 | 182.7 | 5.7 | ||
| LR02 | 56 277.3320 | 0.69 | 187.1 | 177.6 | 180.4 | 181.7 | 2.8 | ||
| LR02 | 56 283.0488 | 0.36 | 137.7 | 133.8 | 144.1 | 138.5 | 3.0 | }348 | |
| LR02 | 56 283.0608 | 0.36 | 137.3 | 126.7 | 129.7 | 131.2 | 3.2 | ||
| LR02 | 56 283.0728 | 0.36 | 135.2 | 133.3 | 132.2 | 133.6 | 0.9 | ||
| LR02 | 56 294.1990 | 0.66 | 145.7 | 149.0 | 152.5 | 149.1 | 2.0 | }294 | |
| LR02 | 56 294.2134 | 0.66 | 149.4 | 148.5 | 150.0 | 149.3 | 0.4 | ||
| LR02 | 56 294.2254 | 0.66 | 153.9 | 149.8 | 147.3 | 150.3 | 1.9 | ||
| LR02 | 56 295.1816 | 0.77 | 278.2 | 261.0 | 291.5 | 276.9 | 8.8 | }245 | |
| LR02 | 56 295.1935 | 0.77 | 277.7 | 264.3 | 283.6 | 275.2 | 5.7 | ||
| LR02 | 56 295.2055 | 0.77 | 283.2 | 264.8 | 294.7 | 280.9 | 8.7 | ||
| LR02 | 56 304.2360 | 0.83 | 342.8 | 332.2 | 357.8 | 344.3 | 7.4 | 253 | |
| LR02 | 56 305.2315 | 0.94 | 444.5 | 438.9 | 436.3 | 439.9 | 2.4 | }156 | |
| LR02 | 56 305.2435 | 0.94 | 450.1 | 442.5 | 449.7 | 447.4 | 2.5 | ||
| LR02 | 56 305.2555 | 0.94 | 449.1 | 442.7 | 458.6 | 450.1 | 4.6 | ||
| LR02 | 56 306.2189 | 0.06 | 449.4 | 444.9 | 457.9 | 450.7 | 3.8 | }215 | |
| LR02 | 56 306.2309 | 0.06 | 448.5 | 449.5 | 454.0 | 450.7 | 1.7 | ||
| LR02 | 56 306.2429 | 0.06 | 451.8 | 446.3 | 453.1 | 450.4 | 2.1 | ||
| LR02 | 56 308.1546 | 0.28 | 196.2 | 175.1 | 201.3 | 190.9 | 8.0 | }333 | |
| LR02 | 56 308.1666 | 0.28 | 196.8 | 178.2 | 190.6 | 188.5 | 5.5 | ||
| LR02 | 56 308.1786 | 0.28 | 198.7 | 178.4 | 204.7 | 193.9 | 8.0 | ||
| LR02 | 56 316.2052 | 0.22 | 300.9 | 267.0 | 293.7 | 287.2 | 10.3 | }236 | |
| LR02 | 56 316.2172 | 0.22 | 292.0 | 268.7 | 290.9 | 283.9 | 7.6 | ||
| LR02 | 56 316.2292 | 0.22 | 292.9 | 269.1 | 282.8 | 281.6 | 6.9 | ||
| LR02 | 56 347.0132 | 0.81 | 319.8 | 304.4 | 327.5 | 317.2 | 6.8 | }255 | |
| LR02 | 56 347.0251 | 0.81 | 316.2 | 311.0 | 325.4 | 317.5 | 4.2 | ||
| LR02 | 56 347.0371 | 0.81 | 321.1 | 311.9 | 326.4 | 319.8 | 4.2 | ||
| LR02 | 56 349.0214 | 0.04 | 449.7 | 447.3 | 463.5 | 453.5 | 5.0 | }201 | |
| LR02 | 56 349.0334 | 0.04 | 450.8 | 442.9 | 459.8 | 451.2 | 4.9 | ||
| LR02 | 56 349.0453 | 0.04 | 457.4 | 448.2 | 454.0 | 453.2 | 2.7 | ||
| LR02 | 56 352.0241 | 0.39 | 105.5 | 93.6 | 111.1 | 103.4 | 5.2 | }367 | |
| LR02 | 56 352.0360 | 0.39 | 103.0 | 99.4 | 107.0 | 103.1 | 2.2 | ||
| LR02 | 56 352.0480 | 0.39 | 103.2 | 99.7 | 96.9 | 99.9 | 1.8 | ||
| LR02 | 56 356.0044 | 0.85 | 370.5 | 368.2 | 379.4 | 372.7 | 3.4 | }274 | |
| LR02 | 56 356.0163 | 0.85 | 380.6 | 367.4 | 386.5 | 378.2 | 5.6 | ||
| LR02 | 56 356.0283 | 0.86 | 379.5 | 368.2 | 384.5 | 377.4 | 4.8 | ||
|
|
|||||||||
| Si iii | He i | He i | |||||||
| λ4552 | λ4713 | λ4922 | |||||||
|
|
|||||||||
| LR03 | 54 808.1322 | 0.65 | 135.0 | 136.2 | 136.3 | 135.8 | 0.4 | }340 | |
| LR03 | 54 808.1538 | 0.65 | 138.1 | 140.6 | 140.2 | 139.6 | 0.8 | ||
| LR03 | 54 808.1755 | 0.65 | 142.6 | 143.2 | 142.4 | 142.7 | 0.2 | ||
| LR03 | 54 808.1971 | 0.66 | 142.6 | 149.8 | 144.3 | 145.6 | 2.2 | ||
| LR03 | 54 808.2189 | 0.66 | 145.9 | 146.6 | 149.4 | 147.3 | 1.1 | ||
| LR03 | 54 808.2405 | 0.66 | 149.0 | 150.9 | 153.3 | 151.1 | 1.2 | ||
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