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11/08/2013 11:47AM (Read 1179 times)
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Status: offline
Registered: 10/25/2013
Posts: 39
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Q1
The wavelength range is fixed once the grim of fors2 is choosed,right?
http://www.eso.org/sci/facilities/paranal/instruments/fors/inst/grisms.html
what is the wavlength range of g300v?
Q2
Who has the extinction file of Paranal Observatory which is used in IRAF for flux calibration?
Q3
Is there an observation log for one night to download? I download their data from http://archive.eso.org/eso/eso_archive_main.html
Q4
Their fits names are like FORS2.2004-08-11T10:36:38.991,but the exposure time in its header is different.
So what is the exposure time exactly? The time in the fits name is UT time?
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anybody did fors2 of vlt spectrum before?
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