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Table 1

Summary of PEPSI deep solar spectra.

Day (UT) I/404d II/450 III/508 IV/584 V/685 VI/825
R = λΔλa 220 000 230 000 240 000 250 000 240 000 240 000
S/Nb single spectrum 330 350 370 620 960 590
Exp. time single spectrum (s) 15 5 3 2 2 1.5

N single spectrac

Nov. 15, 2016 28 40 40 40 40 29
Nov. 16, 2016 40 52 60 53 60 41
Nov. 17, 2016 100 100 112 100 112 100

S/N deep spectra

Nov. 15, 2016 1050 2050 2850 3950 5150 3500
Nov. 16, 2016 1250 2350 3450 4550 6350 4150
Nov. 17, 2016 2000 3300 4700 6250 8600 6500

N for time series

Oct. 14, 2016 263
Oct. 15, 2016 386
Oct. 16, 2016 347

Notes. (a) Median resolution at mid of échelle order. (b) S/N per pixel in the continuum at the mid wavelength of each cross disperser. (c) Number N of individual spectra observed with PEPSI. (d) I/404 (e.g.,) means CD I with center wavelength 404 nm. The time series Oct. 14–16, 2016 was taken only in CD III.

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