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Home All issues Volume 707 (March 2026) A&A, 707 (2026) A230 Full HTML
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Table A.1

H2RG median properties from ground characterisations across the NISP focal plane. dpix – number of disconnected pixels, BR – baseline of reference pixels, B – baseline of science pixels, RNc – reset noise after reference pixel subtraction, QE[YE,JE,HE] – quantum efficiency in % in three photometric bands, IPC – central pixel value of the interpixel capacitance kernel [%], CG – conversion gain, σR – single frame readout noise after reference pixel correction, dph, dsp – dark currents measured in photomeric and spectroscopic integration times at 80 000 integrated electrons, σph – noise of signal estimator in MACC(4,16,4), σsp – noise of signal estimator in MACC(15, 16, 11), nl – departure from linearity at 80 000 integrated electrons in MACC(4,16,4), pers – persistence amplitude as percentage of 80 ke− flat-field intensity, β – persistence decay power index.

FPA ID dpix BR B RNc QE QE QE IPC CG σR dph dsp σph σsp nl pers β
position 18*** ADU ADU ADU rms [YE]% [JE]% [HE]% % ADU/e− e− rms e− s−1 e− s−1 e− rms e− rms % %
11 18453 135 5665 5842 23.6 94 95 96 97.26 0.51 13.2 0.006 0.024 6.0 8.2 3.46 0.16 0.74
12 18272 3223 5977 3846 23.9 96 97 99 97.11 0.53 12.7 −0.001 0.022 6.2 9.0 2.94 0.17 0.85
13 18632 589 5744 5988 24.6 89 95 95 97.21 0.55 13.0 0.009 0.031 5.9 7.8 2.45 0.22 0.76
14 18267 252 5687 9344 23.7 96 96 98 96.69 0.51 12.7 0.024 0.043 6.4 9.2 2.54 0.32 0.80
21 18268 313 5778 6344 23.3 93 93 94 97.23 0.51 14.4 0.013 0.023 6.3 8.2 1.79 0.03 0.58
22 18285 2580 5687 8692 23.6 95 96 96 97.27 0.52 14.4 0.001 0.021 6.7 8.9 3.52 0.13 0.83
23 18548 1512 5657 7149 23.4 95 95 96 97.47 0.51 14.3 0.004 0.022 6.4 8.3 2.49 0.15 0.74
24 18452 146 6079 5624 23.1 93 95 95 97.67 0.50 14.1 −0.003 0.019 6.4 8.4 2.56 0.03 0.65
31 18280 1420 6389 6936 24.0 92 93 93 97.10 0.53 12.6 0.002 0.022 5.9 8.1 2.61 0.07 0.62
32 18284 269 5751 10081 24.4 93 94 94 96.84 0.53 12.3 0.004 0.021 5.8 7.9 2.49 0.12 0.82
33 18278 262 5775 8258 24.5 94 95 95 97.00 0.54 10.7 −0.003 0.021 5.6 8.0 2.04 0.16 0.87
34 18269 970 5631 4275 23.3 95 95 96 97.39 0.50 13.4 0.001 0.023 6.4 8.7 3.31 0.07 0.74
41 18458 198 5767 6279 23.3 93 96 96 97.50 0.51 12.2 −0.002 0.018 5.7 7.7 2.78 0.01 0.54
42 18249 334 6234 8878 24.2 94 94 95 97.08 0.54 12.2 0.006 0.025 5.6 7.9 3.09 0.13 0.68
43 18221 222 5534 4673 24.2 97 98 101 97.07 0.53 13.2 0.001 0.024 6.1 8.1 2.96 0.12 0.70
44 18628 255 6359 5860 23.7 93 95 96 97.25 0.52 12.9 0.012 0.027 6.1 8.7 2.90 0.10 0.57

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