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Table 1

Spectra observed with PEPSI.

Date Time Air mass Seeing Exp. CD λ S/Na CD λ S/Na
(UT) (″) (min) (nm) (nm)
2015, May 24 08:19 1.1 0.9 20 III 480–544 85 V 628–742 156
08:40 1.1 0.9 20 III 480–544 98 V 628–742 181
09:24 1.1 0.9 20 III 480–544 99 V 628–742 202
09:46 1.1 0.9 20 II 423–480 75
10:14 1.1 0.9 20 II 423–480 92 VI 742–912 262
10:35 1.1 0.9 7 II 423–480 54 VI 742–912 156
2015, May 25 03:51 1.2 0.9 20 II 423–480 98 IV 742–912 177
07:58 1.2 0.8 30 III 480–544 142 VI 742–912 247
08:29 1.2 0.8 30 III 480–544 164 VI 742–912 284
09:02 1.1 1.0 10 II 423–480 60 IV 544–628 131
10:32 1.1 1.0 30 II 423–480 133 IV 544–628 261
11:03 1.1 1.0 30 II 423–480 134 IV 544–628 265
                     
Deep spectrum I IV 544–628 300–500
II 423–480 150–300 V 628–742 250–300
III 480–544 200–300 VI 742–912 550–300

Notes. (a) The S/N for the individual spectra is given for the central wavelength of each cross disperser (CD). The S/N for the deep spectrum is given for the full wavelength range as indicated.

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