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Table 2.

Observed line properties of narrow features and associated broad lines.

Line (λ0) Phase Intermediate-Width (IW) (a) or Narrow (b) line Broad or P Cygni line


Emission line Absorption line FWHM



Vshift FWHM Vshift FWHM Vshift ΔV(c) Absorption Emission
(μm) (day) (km s−1) (km s−1) (km s−1) (km s−1) (km s−1) (km s−1) (km s−1) (km s−1)
He I (1.083) 9 0 670 (a) -530 1000 (a) −6450 7300 5250 6010
(Pa γ 1.094) 9 (0) (980) (a) ... ... ... ... ... ...
He I (1.083) 17 ... ... −370 600 (a) −6200 7900 ... ...
19 0 500 (a) ... ... −6700 8300 ... ...
(C I 1.0695) (39) −400 400 (a) ... ... ... ... ... ...
He I (1.083) 47 0 100 (b) −50 100 (b) −6900 8300 ... ...
67 ... ... −150 200 (b) −6000 8200 ... ...
71 0 50 (b) −100 100 (b) −5800 8100 ... ...

O I (1.129) 17 −150 500 (a) ... ... ... ... ... ...

Pa β (1.282) 9 −80 720 (a) ... ... −5170 6300 4790 5150

Br γ (2.166) 17 200 370 (a) ... ... −7000 7800 ... ...
39 −270 600 (a) ... ... −7550 6400 ... ...

Notes.

(a)

Lines at t = 9 − 39 d with FWHMs of ∼200–1000 km s−1.

(b)

Lines at t = 47 − 71 d with FWHMs of ≲200 km s−1.

(c)

Width of velocity interval between minimum and maximum of P Cygni profile.

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