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Table 1

Journal of spectroscopic observations at Cerro Armazones Observatory.

Spectrum BJD Phase S/N Exp. Spectrum BJD Phase S/N Exp.
2 400 000+ [s] 2 400 000+ [s]

20090429-01.fits 54 951.47364 0.6839 193 600 20100117-11.fits 55 214.72408 0.5145 233 600
20091019-21.fits 55 124.88346 0.5247 195 300 20100120-06.fits 55 217.68788 0.5801 175 600
20091019-22.fits 55 124.88728 0.5248 193 300 20100121-04.fits 55 218.66777 0.6018 259 600
20091019-23.fits 55 124.89110 0.5248 198 300 20100122-05.fits 55 219.66618 0.6239 232 600
20091020-20.fits 55 125.89151 0.5470 190 300 20100123-06.fits 55 220.62644 0.6452 223 600
20091020-21.fits 55 125.89535 0.5471 196 300 20100125-05.fits 55 222.68527 0.6908 207 600
20091021-18.fits 55 126.89139 0.5691 203 300 20100127-04.fits 55 224.66181 0.7346 204 600
20091022-25.fits 55 127.87589 0.5909 207 300 20100128-02.fits 55 225.67460 0.7570 229 600
20091022-26.fits 55 127.88004 0.5910 203 300 20100130-02.fits 55 227.64583 0.8007 176 600
20091022-27.fits 55 127.88384 0.5911 215 300 20100131-02.fits 55 228.70596 0.8242 168 600
20091023-18.fits 55 128.88626 0.6133 218 300 20100208-01.fits 55 236.65951 0.0003 113 600
20091023-19.fits 55 128.89015 0.6134 193 300 20100208-06.fits 55 236.76622 0.0027 121 600
20091024-20.fits 55 129.88268 0.6354 188 300 20100211-04.fits 55 239.66155 0.0668 272 600
20091112-15.fits 55 148.81797 0.0548 212 300 20100214-10.fits 55 242.71579 0.1345 210 600
20091112-16.fits 55 148.82182 0.0549 234 300 20100217-09.fits 55 245.66592 0.1998 241 600
20091116-05.fits 55 152.78108 0.1426 247 300 20100220-07.fits 55 248.58518 0.2644 202 600
20091116-06.fits 55 152.78487 0.1426 261 300 20100226-08.fits 55 254.68385 0.3995 383 1800
20091116-09.fits 55 152.85198 0.1441 221 300 20100228-04.fits 55 256.55795 0.4410 262 600
20091118-04.fits 55 154.76307 0.1865 213 300 20100228-13.fits 55 256.72306 0.4447 281 600
20091118-05.fits 55 154.76687 0.1865 224 300 20100304-07.fits 55 260.66669 0.5320 293 600
20091121-07.fits 55 157.77206 0.2531 222 300 20100307-10.fits 55 263.64569 0.5980 296 600
20091121-08.fits 55 157.77950 0.2533 234 300 20100310-09.fits 55 266.63989 0.6643 221 600
20091130-02.fits 55 166.79663 0.4530 153 300 20100313-06.fits 55 269.63109 0.7306 215 600
20091130-03.fits 55 166.80047 0.4531 160 300 20100316-08.fits 55 272.61929 0.7968 328 600
20091209-08.fits 55 175.70075 0.6502 100 300 20100322-07.fits 55 278.62672 0.9298 265 600
20091209-09.fits 55 175.70490 0.6503 100 300 20100325-07.fits 55 281.60965 0.9959 276 900
20100109-09.fits 55 206.71990 0.3372 193 300 20100325-10.fits 55 281.69350 0.9977 287 900
20100109-10.fits 55 206.72635 0.3373 205 300 20100326-06.fits 55 282.57737 0.0173 333 900
20100111-12.fits 55 208.76993 0.3826 163 600 20100326-10.fits 55 282.68869 0.0198 314 900
20100112-09.fits 55 209.75303 0.4044 158 600 20100328-09.fits 55 284.60675 0.0623 400 600
20100114-07.fits 55 211.69796 0.4475 167 600 20100331-06.fits 55 287.57912 0.1281 274 600
20100116-07.fits 55 213.69359 0.4917 251 300

Notes. The filename contains evening date of observation encoded as yyyymmdd. Barycentric Julian dates of mid-exposures are given. The S/N ratio was estimated from line-free continuum close to the Mg II 4481 line. Phases of mid-exposures were computed using the following ephemeris for the primary minimum: 2 447 832.0075 + 45.15023 × E.

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