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Table 2:

Stellar photospheric absorption lines and emission lines.

Ion
$\lambda_{\rm lab}$a Origin $z_{\rm stars}$b $z_{\rm em}$c $\Delta\upsilon$d W0e $\sigma (W_0)$e
  (Å)       (km s-1) (Å) (Å)
Si III 1294.543 stars 2.7349   -165 to +105 0.13 0.02
C III 1296.330 stars 2.7349   -165 to +195 0.16f 0.02f
Si III 1296.726 stars 2.7348   -165 to +195 0.16f 0.02f
C II 1323.929 stars 2.7348   -165 to +195 0.21g 0.03g
N III 1324.316 stars 2.7345   -165 to +195 0.21g 0.03g
Si II* 1533.431 recombination   2.7352  -95 to +185 -0.20 0.02
N IV 1718.551 stars 2.7347   -210 to +165 0.57 0.06
[C III] 1906.683 H II regions   2.7348 -185 to +165 -0.35 0.04
C III] 1908.734 H II regions   2.7352 -165 to +185 -0.26 0.03

Notes. (a) Vacuum wavelengths; (b) vacuum heliocentric and values measured from the centroid wavelength of the photospheric absorption lines; (c) vacuum heliocentric and values measured from the Gaussian fits to the emission lines; (d) velocity range for equivalent width measurements relative to $z_{\rm sys} = 2.7350$; (e) rest-frame equivalent width and $1\sigma $ error; (f) this value refers to the blend of lines C III $\lambda $1296.330 and Si III $\lambda $1296.726; (g) this value refers to the blend of lines C II $\lambda $1323.929 and N III $\lambda $1324.316.


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