This page (revision-132) was last changed on 18-Apr-2021 19:04 by JianSun

This page was created on 18-Apr-2007 17:40 by Administrator

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Version Date Modified Size Author Changes ... Change note
132 18-Apr-2021 19:04 3 KB JianSun to previous
131 08-Jul-2010 15:35 4 KB PeterYoung to previous | to last
130 06-Jul-2010 18:47 4 KB RonYurow to previous | to last
129 06-Jul-2010 16:24 4 KB PeterYoung to previous | to last
128 06-Jul-2010 16:23 4 KB PeterYoung to previous | to last
127 28-Jun-2010 19:33 4 KB RonYurow to previous | to last
126 28-Jun-2010 19:31 4 KB RonYurow to previous | to last
125 23-Jun-2010 19:47 4 KB PeterYoung to previous | to last
124 14-Jun-2010 15:32 3 KB PeterYoung to previous | to last
123 20-May-2010 12:06 3 KB JianSun to previous | to last add one more link to EIS Spectral Atlases
122 20-May-2010 12:04 4 KB JianSun to previous | to last
121 20-May-2010 12:03 4 KB JianSun to previous | to last add link to EIS Spectral Atlases files

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At line 61 added 13 lines
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Some of you running quite short exposure times have noted that the different ways of getting the exposure time are not quite consistent with each other. This has now been fixed so that calling the getexp method i.e. data->getexp() should give the most accurate exposure time available.
For those who want to know the background for this issue I provide a little more info. There are three different exposure times for EIS: 1) the requested exposure time, set in eis_mkraster (or whatever) previously available as data->getexp() 2) the difference between the shutter open time t1 and shutter close time t2 ((*(data->getaux_data).ti_2)-(*(data->getaux_data).ti_1))/512 and 3) the exposure time as measured by the mechanism and heater control unit *(data->getaux_data).mhc_dur/1.e6.
The latter is the most accurate and has now been implemented as the default when calling data->getexp().
--[ViggoHanst|mailto:viggoh@astro.uio.no], 29-Nov-2007
This page (revision-132) was last changed on 18-Apr-2021 19:04 by JianSunTop