This page (revision-83) was last changed on 02-Feb-2017 13:19 by David R Williams

This page was created on 27-Jan-2009 03:17 by David R Williams

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82 19-Mar-2009 13:50 41 KB David R Williams to previous | to last
81 18-Mar-2009 21:12 40 KB David R Williams to previous | to last

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At line 1 removed 3 lines
[{ALLOW comment Anonymous }]
[{ALLOW view Anonymous }]
[{ALLOW edit jsun,ms2,DaveWilliams }]
At line 61 changed one line
It may be related to EIS's oversampling w.r.t. its resolution, so there is correlation of data.
It may be related to EIS's oversampling w.r.t. its resolution, so there is correlation of data which allows some justification of the interpolation: there's a contribution from neighbouring pixels anyway.
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* Sensitivity of the instrument over time (KFJ)
We use flat-field LEDs inside the instrument, and we also measure the solar radiation variation over time. We don't seem to be seeing substantial degradation in our sensitivity.
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Contamination is also measured with Quartz Crystal Mircobalance sensors, which show no appreciable increase in contamination so far.
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PRY: how about the event flags? Are they implemented?
KFJ: Implemented in GSW, but not tested yet. They need testing on the Sun. BP trigger could be tested soon.
PRY: Is there a problem with remote planning? We'll be more cautious about doing that?
KFJ: If we sit together remotely, it may be easier.
At line 70 added 12 lines
JTM: are there problems with Data Volume
DRW: It may be easier in the current system.
JLC: How about use of the XRT flare flag? Do we have plans to use it?
HH: it is posible for us to use it
HPW: He II may be better than XRT
HEM: What does the flag give us? Is it coordinates?
HH: Yes, coordinates.
Discussion followed about how to test this flag.
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AG went through the ordering of calibration steps.
# Dark current subtraction and options for this
# Marking hot pixels affected by CRs
# Hot pixel flagging
# Warm pixel flagging
# Dusty pixel flagging
# Absolute calibration (specific intensity units; photons)
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This page (revision-83) was last changed on 02-Feb-2017 13:19 by David R WilliamsTop