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Table 8.

Parameters from SED models: ST of the M giant, Te, EM, and a minimum of the function (see Sect. 3.2.1).

Date ST Te EM /d.o.f.
yyyy/mm/dd.ddd (K) (1060 cm−3)
2018 outburst
2018/08/10.851 3.4 45 000 6.61 0.47/1359
2018/08/10.905 (a) 3.3 40 000 7.29 0.48/982
2018/08/11.944 (b) 2.5 43 000 7.34 1.11/1330
2018/08/15.888 2.8 30 000 6.54 0.34/935
2018/08/18.896 2.7 30 000 6.86 0.43/849
2018/08/19.895 3.2 29 500 5.22 0.63/1186
2018/08/21.899 2.6 24 000 4.24 0.80/1557
2018/08/28.860 (c) 3.5 21 000 3.19 1.51/1954
2018/09/01.828 3.5 21 000 2.93 1.04/1614
2018/09/07.886 3.3 20 000 2.78 0.72/894
2018/09/11.903 (d) 3.5 21 000 2.74 0.65/1283
2018/09/15.911 3.7 19 500 2.57 0.67/867
2018/09/20.888 3.7 22 000 2.27 0.76/1279
2018/09/21.318 (e) 4.3 19 000 2.39 1.57/5607
2018/09/28.911 4.2 20 000 2.42 0.78/910
2018/10/07.712 (f) 3.3 16 000 1.55 1.60/1628
2018/10/17.732 3.7 17 600 1.50 0.67/1554
2018/11/18.708 4.9 19 500 1.14 0.93/1388
2018/12/08.681 4.8 22 000 1.08 1.37/1440
2018/12/17.704 4.5 14 000 0.60 0.80/1330
Quiescent phase
2019/03/03.179 4.8 (g) 18 000 (h) 0.26 (i)
2019/06/23.872 4.8 15 000 (h) 0.18 (i)
2019/08/19.832 4.6 45 000 0.28 0.83/1418
2019/09/07.191 4.8 30 000 (h) 0.45 0.76/1018
2019/10/05.112 4.6 40 000 (h) 0.72 0.39/935

Notes.

(a)

Spectra in Table 6, 2018/08/10.878 and 2018/08/10.932,

(b)

2018/08/11.915 and 2018/08/11.972,

(c)

UVW2, UVM2 from 2018/08/28.7 and spectrum 2018/08/28.860,

(d)

UVW2 from 2018/09/11.45 and spectrum 2018/09/11.903,

(e)

UVW2 from 2018/09/18.10 and spectra 2018/09/19.827 and 2018/09/22.808,

(f)

UVW2, UVM2, UVW1 from 2018/10/06.44 and spectrum 2018/10/07.712,

(g)

adapted value,

(h)

given by the U flux-point,

(i)

a comparison only.

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