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Table 2

Log of medium-resolution spectroscopic observations.

Daya JD Regionb T exp F cont. c Observer
Aug. 2 4565.. [nm] [s]

14.844 19.344 418–732 3636 9.7d Garde
14.885 19.385 418–732 3349 10.0d Garde
14.985 19.485 Hα 3683 11.9 Garde
15.027 19.527 Hα 3624 12.7 Garde
15.062 19.562 Hα 2422 13.4 Garde
15.850 20.350 Hα 3180 32.1 Garde
15.885 20.385 Hα 2840 32.9 Garde
15.885 20.385 Raman 2840 29.3 Garde
16.910 21.410 Hα 3830 55.5 Garde
16.910 21.410 Raman 3830 49.6 Garde
17.842 22.342 Hα 4263 49.0 Garde
17.967 22.467 Raman 4263 47.4 WR13xe
18.044 22.544 Hα 3074 48.9 Garde
18.913 23.413 Hα 622 48.7 Lemoult
19.050 23.550 Raman 900 45.2 WR13x
19.050 23.550 Hα 900 48.7 WR13x
19.870 24.370 Hα 2877 49.0 Lemoult
19.870 24.370 Raman 2877 47.0 Lemoult
20.051 24.551 Hα 438 49.0 WR13x
20.840 25.340 Raman 3659 34.7 Garde
21.876 26.376 Raman 4027 25.5 Buil
22.854 27.354 Raman 4575 21.5 Garde
23.845 28.345 Raman 4921 19.0 Garde
24.979 29.479 Raman 3618 17.1 Buil
26.828 31.328 Raman 6040 13.1 Garde
28.849 33.349 Hα 4546 13.9 Buil
Sept.
01.881 37.381 Raman 2565 7.81 Charbonnel
05.955 41.455 Raman 827 6.02 WR13x
10.840 46.340 Raman 2350 5.34 Charbonnel
21.825 57.325 Raman 6060 3.74 Garde
22.858 58.358 Raman 2458 3.45 Buil
Oct.
01.923 67.423 Raman 4555 1.10 Buil

Notes. The average resolving power was 10 000–11 000;

(a)

mid of observation in UT;

(b)

the used wavelength range;

(c)

the continuum flux at the Hα or the Raman 6825 Å line in 10-12 erg cm-2 s-1 Å-1;

(d)

Fcont. at the Hα line;

(e)

WR13x-collaboration team.

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