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Table A.1.

Journal of the observations of LB-1.

HJD [d] Ins Time [s] S/N RV1 [km s−1]
2458821.593 H 2 × 1800 37 −22.19 ± 0.50
2458833.719 F 1 × 5400 93 −14.12 ± 0.14
2458837.576 H 2 × 1800 33 −2.53 ± 0.54
2458838.728 F 2 × 2700 128 1.35 ± 0.10
2458852.573 H 2 × 1800 27 57.01 ± 0.60
2458854.528 H 2 × 1800 32 62.79 ± 0.60
2458856.617 H 2 × 1800 17 68.38 ± 1.20
2458858.534 H 3 × 1800 27 73.58 ± 0.63
2458860.554 H 4 × 1800 47 77.95 ± 0.44
2458861.544 H 2 × 1800 32 79.62 ± 0.57
2458874.496 H 4 × 1800 38 67.46 ± 0.44
2458877.422 H 4 × 1800 35 58.31 ± 0.52
2458882.525 H 2 × 1800 31 39.07 ± 0.63
2458883.597 H 1 × 2100 5 37.25 ± 1.20
2458884.460 H 1 × 2400 17 29.30 ± 1.20
2458887.423 H 4 × 1800 46 17.63 ± 0.43
2458889.527 H 2 × 1800 + 38 10.04 ± 0.52
2 × 2000
2458890.502 H 1 × 1800 22 5.99 ± 0.86
2458892.492 H 1 × 1800 + 22 −0.97 ± 0.85
1 × 2000
2458893.496 H 2 × 1800 + 38 −4.78 ± 0.52
1 × 2000
2458896.498 H 4 × 1800 39 −12.98 ± 0.52
2458899.434 H 4 × 1800 45 −20.00 ± 0.48
2458908.547 H 2 × 1800 29 −20.65 ± 0.80
2458910.524 H 2 × 1800 28 −18.10 ± 0.70
2458918.493 H 4 × 1800 18 5.68 ± 1.50
2458921.413 H 2 × 1800 13 16.72 ± 1.71

Notes. The second column indicates whether the spectrum was taken with HERMES (H) or with FEROS (F). The third column shows the exposure time while the forth column gives the S/N ratio in the spectrum at ≈5400 Å. The last column gives the RV of the primary star.

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