Fig. 6

Candidate NIR DIBs at λλ10 360, 10 392, 10 438, 10 503, 10 506, 10 696, and 13 026 Å for reddened sightlines towards HD 161061 (green), HD 183143 (blue), and 4U 1907+09 (black). The spectra have been shifted to the interstellar rest frame. The dotted black lines indicate the rest wavelength for the candidate NIR DIBs. Solid black lines in the bottom panel indicate the position of stellar lines. The dashed red lines correspond to the laboratory positions of main absorption bands of several mid-sized PAHs reported by Mattioda et al. (2005). The peaks of the stellar lines (at 10 422, 10 670, 10 830, 12 969, and 12 984 Å) do not coincide as a result of differences in radial velocity of the stars. The telluric standard spectrum of HD 153294 (dashed cyan) and stellar atmosphere model of an O9Ia star (solid yellow) are overplotted for reference.
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