... This is done by taking in all input files the extension whose name is specified by the maintable parameter (called 'merged extension' in what follows) and merging the columns into a single output extension of the same name. ... Its contents is taken from the CCDID keyword (and QUADRANT for EPIC PN). ... To propagate other column specific keywords, they must be specified manually via the extensionchecks , mainattributes , maxattributes and minattributes parameters (see above). ...

... As with previous HST instruments, the FITS header keywords in STIS data files store important information characterizing the observations and telemetry received during the observations and describe the post-observation processing of your dataset. ... Calibration information such as the calibration switches and reference files used by the pipeline and parameters derived from the calibration, such as image statistics, wavelength shifts. ... Time: 0.3 sec Number of imsets: 3 . ... Dark image correction...

... We now describe the input parameters to the self-calibration tasks. ... For selfcal , you need not perform source , dra , or ddec selection if you use the selradec option (see below). minants : The minimum number of antenna that must be present before the tasks will attempt to find a solution. ... and phase : This determines whether the self-calibration tasks solve for just phase ( options=phase , which is the default) or amplitude and phase solution ( options=amplitude ). mfs : . ...

Next: Pipeline Calibration for STIS . ... Previous: HST Paper Products: A New Way to Look at HST Data . ... This simplifies enormously the data reduction procedure and allows the user to interpret high-quality data correctly. ... This may result in confusion about basic instrumental parameters, the precision of the set-up, the amount and distribution of calibration frames which are required and finally the assumptions on which the data reduction procedure should rely. ...

Next: Echelle Reduction Method Up: No Title Previous: Example . This Chapter provides the basic information necessary to understand the echelle љ package implemented in MIDAS . ... Tutorial examples are available in the system (command TUTORIAL/ECHELLE ) and are also included in the Appendix so that users without previous experience in MIDAS could become familiar with the calibration procedures. ... The methods described here are generally sufficient to cover a wide range of echelle formats. ...

NAME ABbuilder - DFO data organization tool SYNOPSIS ABbuilder <options> where <options> are: --raw-dir directory containing raw data --cal-dir directory containing calib data --cal-ldir directory containing symbolic links to calib files --cal-list mcalib list --vcal-dir directory containing virtual products --pro-dir where pipeline products are created --ab-dir where association blocks are created --oca-rul file containing OCA rules --instrume instrument --date YYYY-MM-DD --mode { CALIB | ...

Monte Carlo Methods for Including Calibration Uncertainties in Model Fitting Analyses Jeremy J. Drakea , Peter Ratzlaffa , Vinay Kashyapa , Richard Edgara , Rima Izemb , Diab Jeriusa , Herman ... University, Cambridge, MA 02138 MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA 02139 b c SUMMARY · Instrument response uncertainties almost universally ignored in astrophysical X-ray ... Limiting accuracy of Chandra ACIS reached in spectra with 10 4 counts. ...

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Our brief introductory notes on optical characterization of media define different optical parameters (including the refractive index, dielectric permittivity, absorption coefficient, reflectance, transmittance) and show their relationship. ... A Postscript version of the remarks is here . ... A brief description of the JPDOC was printed in the A Suppl (the Postscript version of the paper is here ). ...

Fortran 90 properties already in CF77 . ... Only the old form (fix form) of the source code is available. ... LOGICAL Default KIND number = 8 INTEGER Default int7 int15 KIND number = 6 1 2 digits = 46 7 15 radix = 2 2 2 range = 13 2 4 huge = 70368744177663 127 32767 bit_size = 46 8 16 INTEGER int31 int46 int64 KIND number = 4 6 8 digits = 31 46 63 radix = 2 2 2 range = 9 13 18 huge = 2147483647 70368744177663 9223372036854775807 bit_size = 32 46 46 REAL half Default,single double KIND ...

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