Geoscience Reference
In-Depth Information
Table 2. Inter-sector normalizations. The normalized counts for sector i , v i , is computed from the raw counts, u i ,as v i =( u i − α i ) i .
The relative sensitivities, β i , are from ground calibrations, and the off-sets (dark currents), α i , are estimated from minimum deep umbra
count rates averaged in 60 s bins, for respective year.
Sector i
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
β i
1.11
1.07
1.08
1.07
1.00
0.99
1.10
1.04
1.00
1.31
1.30
1.16
1.05
0.85
0.88
α i 2004
5.8
5.6
7.2
7.2
4.2
2.1
2.6
2.1
2.2
1.2
1.4
1.4
0.43
0.28
0.33
α i 2005
10.3
9.2
11.5
12.6
5.9
3.4
3.9
3.9
3.1
1.4
1.5
1.4
0.20
0.17
0.15
Sector i
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
β i
0.65
0.69
0.58
0.64
0.64
0.84
0.97
0.99
0.98
1.15
1.28
1.30
1.44
1.09
0.86
α i 2004
1.9
2.3
3.4
2.1
1.3
1.6
1.8
1.3
1.2
1.4
1.7
0.62
1.2
1.2
1.8
α i 2005
1.5
1.3
1.8
0.68
0.45
0.52
0.85
1.2
1.3
1.3
1.6
0.3
0.18
0.23
0.70
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