Online material
Table 1
Log of the spectroscopic observations presented in this paper (see text for details).
Table 3
Main optical spectroscopic information concerning BL Lac objects in our sample with detected redshifted spectral lines.
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Fig. 2
The same as Fig. 1, but for four more spectra of BL Lacs in our sample. |
| Open with DEXTER | |
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Fig. 3
The same as Fig. 1, but for four more spectra of BL Lacs in our sample. |
| Open with DEXTER | |
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Fig. 4
The same as Fig. 1, but for four more spectra of BL Lacs in our sample. |
| Open with DEXTER | |
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Fig. 5
The same as Fig. 1, but for four more spectra of BL Lacs in our sample. |
| Open with DEXTER | |
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Fig. 6
The same as Fig. 1, but for three more spectra of BL Lacs in our sample. |
| Open with DEXTER | |
© ESO, 2013