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Detectors

WFC4

Bias, Overscan
Gain, Noise

HRC1

Bias, Overscan
Gain, Noise
CTE

SBC

Darks
Flats
Throughput

Shutter

Shading, accuracy

PSF

Encircled energy

Internal Count Rates

HRC1, WFC4
SBC

FLASH

HRC1, WFC4

Dispersers

Grism
Prism

Stray Light

Light leak
Filter dust


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Last updated
04 January 2002 17:57:11

Maintained by
martel


Printable version

Table 1 : Deuterium lamp with ND2

Entry Filter SBC temp
(C)
Lamp-on time
(sec)
Global rate
(cts/sec)
Dark rate
(cts/sec)
Actual Rate
(cts/sec/pixel)
Model rate
(cts/sec/pixel)
Model/Actual
4954 F115LP 31.0497 0. 62171 103 0.05919 0.217 3.67
4962 F115LP 31.0497 5049. 61344 103 0.05840 3.72
4963 F115LP 30.6238 5623. 61192 102 0.05826 3.72
4964 F115LP 31.0497 6707. 61030 103 0.05810 3.73
4965 F115LP 31.0497 7878. 60879 103 0.05796 3.74
4966 F115LP 31.0497 8996. 60718 103 0.05781 3.75
4967 F115LP 31.0497 10146. 60581 103 0.05768 3.76
4955 F122M 30.6238   1361.78 102 0.001201 0.007 5.83
4956 F165LP 31.0497   8781.87 103 0.008276 0.009 1.09
4957 F150LP 30.6238   50477 102 0.04804 0.164 3.41
4958 F140LP 30.6238   52874 102 0.05033 0.184 3.66
4959 F125LP 30.6238   57887 102 0.05511 0.204 3.70
4960 PR130L 30.6238   50350 102 0.04792    
4961 PR110L 30.6238   48112 102 0.04579