Table 1:
Top: specification of the spectral data.
Bottom: specification of the image data.
Abbreviations:
FF - Flat Field,
SNR - Signal-to-Noise Ratio.
|
430 nm |
526 nm |
569 nm |
Camera |
16 bit,
 |
16 bit,
 |
16 bit,
 |
Spectral order |
13 |
11 |
10 |
Range [nm] |
430.23...430.78 |
525.93...526.92 |
568.34...569.57 |
Continuum wavelength [nm] |
430.41 |
526.46 |
569.2 |
Dispersion [pm/pixel] |
1.08 |
1.02 |
1.26 |
Angular scale [arcsec/pixel] |
0.090 |
0.088 |
0.088 |
Mean intensity continuum [counts] |
48 750 |
19 600 |
15 200 |
Mean intensity line core [counts] |
10 300 |
5500 |
9900 |
Detector noise [counts] |
8 |
18 |
2 |
FF rms-noise [% of local intensity] |
0.86 |
0.97 |
0.56 |
SNR continuum / line core |
75/52 |
56/38 |
72/63 |
Pore contrast in continuum [%] |
-27.1 |
-26.8 |
-24.1 |
|
Slit Jaw |
"White light'' |
Camera |
12 bit,
 |
10 bit,
 |
Bandpass filter |
1 nm at 430.5 nm |
10 nm at 480 nm |
Angular scale [arcsec/pixel] |
0.041 |
0.039 |
Mean intensity [counts] |
15 000 |
7200 |
Detector noise [counts] |
11 |
2 |
FF rms-noise [% of local intensity] |
2.4 |
0.3 |
SNR |
31 |
65 |
Pore contrast [%] |
|
-31.5 |