Table 3 Standard deviation values (R) of dark noise together with information on PMT, AMP1, and HV values on (a) October 19, 2017, (b) January 22, 2018
From: A new five-wavelength photometer operated in Tromsø (69.6°N, 19.2°E)
Ch1 (427.8) | Ch2 (557.7) | Ch3 (630) | Ch4 (777.4) | Ch5 (844.6) | |
|---|---|---|---|---|---|
a | |||||
PMT* | H11902-210 | H11902-20 | H11902-20 | H11902-20 | H11902-20 |
AMP1(times) | 100 | 10 | 10 | 100 | 1000 |
HV (arbitrary unit) | 75 | 75 | 80 | 80 | 75 |
Dark noise (20 Hz) (R) | 1.3 | 19.1 | 19.0 | 43.1 | 97.5 |
Dark noise (1 s) (R) | 0.7 | 5.3 | 4.8 | 10.4 | 23.6 |
b | |||||
Dark noise (20 Hz) (R) | 1.5 | 13.2 | 13.9 | 29.3 | 66.0 |
Dark noise (1 s) (R) | 1.1 | 2.8 | 2.9 | 6.3 | 14.6 |