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Table 2

Emission line around 1318 nm.

HD Number Stellar velocity (km s−1) Ref. MJD EmL, Abs. Wavelength (nm) at |peak| δλ (nm) EmL, Abs. norm. flux peak (abs. value) Hel. RV corr (km s−1)
105056 +5±6, −9.0±3.1, (1), (4) 56411.272 1317.56, 1317.95 0.39 1.020, 0.955 +2.4
" + 14.5 ±1.8 (5) (1317.61, 1318.05) 0.44
112272 −36±2, −38.0±4.4 (1) 56440.172 1317.46, 1317.89 0.43 1.025, 0.918 −6.0
" −37.1±1.8 (5) (1317.47, 1318.02) 0.55
56732.333 1317.38, 1317.79 0.41 1.025, 0.917 +14.7
(1317.39, 1317.92) 0.53
113904 +7±5, +4.4±1.5 (1), (5) 56459.143 1317.56, 1317.97 0.41 1.010, 0.965 −10.5
" (1317.58, 1318.07) 0.49
115363 −70±2, −71.0±4.5 (1), (4) 56465.029 1317.41, 1317.92 0.51 1.023, 0.929 −12.4
" −70.4±1.4 (5) (1317.39, 1318.02) 0.63
" 56732.346 1317.30, 1317.80 0.50 1.021, 0.929 +15.8
" (1317.31, 1317.90) 0.59
115842 −21±2 −3.0±4.3 (1), (4) 56465.058 1317.61, 1317.95 0.34 1.020, 0.980 −15.7
" −21.1±1.7 (5) (1317.57, 1318.07) 0.50
152235 −25±1, −35.2±2.3 (1), (4) 56467.098 1317.43, 1317.91 0.48 1.015, 0.913 −7.2
" −35.9±1.8 (5) (1317.50, 1318.01) 0.51
159455 87.5±1.9 (2) 56435.263 1317.44, 1317.90 0.46 1.029, 0.880 +11.5
" (1317.46, 1318.00) 0.54
" 56764.186 1317.33, 1317.78 0.45 1.032, 0.875 +25.4
" (1317.34, 1317.93) 0.59
160065 59.9±6.4, 10.4±2.7 (2), (6) 56434.396 1317.33, 1317.83 0.50 1.022, 0.873 +12.0
" (1317.32, 1317.94) 0.62
" 56746.394 1317.27, 1317.75 0.48 1.022, 0.870 +29.7
" (1317.22, 1317.68) 0.46
169754 32.0±7.4 (3) 56497.240 1317.34, 1317.91 0.57 1.025, 0.904 −12.4
" (1317.37, 1318.04) 0.67

Notes. Stellar velocities, velocity of the peak of the emission line and velocity at peak of absorption line towards stars where the 1318 nm showed strong emission. The standard of rest is heliocentric. Values in brackets are flux weighted wavelengths determined using fitting as shown in Fig. 7.

References. (1) POP, UVES pop survey (Bagnulo et al. 2003); (2) Gaia DR2; (3) Kharchenko et al. (2007); (4) Gontcharov (2006); (5) This paper with the stellar velocity measured using He I at λ = 4387 Å; (6) Gaia DR3 (Gaia Collaboration 2023). There is a large (50 km s−1) difference in the Gaia DR2 and DR3 velocities for the one star (HD 160065) for which data are available for both releases.

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