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Table 2

Observational results of DENIS1538−1038 and DENIS1538−1039.

Name UT observing Li Hα v10 (Hα) log () He I He I Na I D1 Na I D2 [O I]
date (km s−1) (M yr−1) 5876 Å 6678 Å 5895.9 Å 5889.9 Å 6300 Å
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
D*1538−1038 19 Apr. 2017 0.24 ± 0.02 −60 ± 2 495 ± 6 −8.1 ± 0.1 −8.9 ± 0.6 −2.4 ± 0.1 −0.8 ± 0.1 −1.1 ± 0.1 −1.3 ± 0.1
4 May 2017 0.38 ± 0.02 −50 ± 3 511 ± 11 −7.9 ± 0.1 −5.8 ± 0.4 −1.6 ± 0.1 −0.6 ± 0.2 −0.7 ± 0.2 −1.2 ± 0.1
5 May 2017 0.22 ± 0.01 −49 ± 1 489 ± 7 −8.1 ± 0.1 −7.7 ± 0.2 −2.9 ± 0.2 −0.6 ± 0.1 −0.6 ± 0.1 −1.2 ± 0.1
12 Aug. 2017 0.47 ± 0.02 −25 ± 2 388 ± 12 −9.1 ± 0.1 −4.1 ± 0.2 −0.9 ± 0.2 > −0.2 > −0.1 −0.8 ± 0.1
17 Jul. 2018 0.41 ± 0.02 −13 ± 1 243 ± 16 −10.5 ± 0.2 −2.0 ± 0.2 −0.3 ± 0.1 0.4 ± 0.2 0.9 ± 0.2 −0.7 ± 0.1
D*1538−1039 19 Apr. 2017 0.48 ± 0.02 −1.7 ± 0.1 148 ± 9 > −0.2 > −0.1 2.0 ± 0.2 3.2 ± 0.2 > −0.1
4 May 2017 0.50 ± 0.02 −2.3 ± 0.1 149 ± 7 > −0.2 > −0.1 1.9 ± 0.2 2.8 ± 0.2 > −0.1
5 May 2017 0.48 ± 0.02 −2.0 ± 0.2 149 ± 9 > −0.2 > −0.1 1.9 ± 0.2 2.9 ± 0.2 > −0.1
12 May 2017 0.49 ± 0.02 −1.9 ± 0.1 157 ± 12 > −0.3 > −0.1 2.2 ± 0.2 2.4 ± 0.2 > −0.2
12 Aug. 2017 0.46 ± 0.03 −1.9 ± 0.1 147 ± 9 > −0.1 > −0.1 2.1 ± 0.2 2.9 ± 0.2 > −0.2
28 Aug. 2017 0.48 ± 0.02 −1.8 ± 0.1 153 ± 6 > −0.2 > −0.1 2.0 ± 0.2 2.3 ± 0.2 > −0.1
29 Aug. 2017 0.45 ± 0.03 −2.0 ± 0.1 142 ± 6 > −0.1 > −0.1 2.0 ± 0.2 2.7 ± 0.2 > −0.1
17 Jul. 2018 0.47 ± 0.02 −1.4 ± 0.1 156 ± 10 > −0.1 > −0.1 2.2 ± 0.2 2.4 ± 0.2 > −0.2

Notes. D*: DENIS. Columns 3, 4, 7–11: equivalent widths in Å. No accretion rate is estimated for DENIS1538−1039, as we classify the source as a nonaccretor with the current data.

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