1 - |
How to create a workspace and a project in SIPGI
|
|
|
Creation of a workspace and of a project for the reduction of a MODS program
|
|
2 - |
How to import data in SIPGI and an overview of SIPGI GUI
|
|
|
Description of the procedure for importing raw data in SIPGI and of the organisation of imported data in
the graphical interface: data sets and reduction units. Overview of the GUI.
|
|
3 - |
How to create a Bad Pixel Image in SIPGI and append it
|
|
|
Creation of the bad pixel map (Bad Pixel Image) in MODS and LUCI programs. How to append the Bad Pixel Image to the frames.
|
|
4 - |
How to create master dark (or master bias) frames
|
|
|
Creation of master darks for a LUCI program. Creation of a master bias for MODS programs (optional).
|
|
5 - |
How to create a Pixel to Pixel Variation Image
|
|
|
Creation of the master frame providing information on the pixel to pixel variation and on the different gain in the detector quadrants of MODS.
|
|
6 - |
Adjust first guess
|
|
|
Description of the refinement of the instrument model on real data (adjust first guess task) in the case of a MODS longslit program
(for a set of data with science/flat/lamp aligned).
|
|
|
Special cases for the Adjust First Guess task:
|
|
| |
6.1 - |
Flats/lamps are not aligned to scientific frames
|
|
|
|
How to overcome the issue of flat or lamps (or both) frames not aligned to the scientific frames: the use of the Science to Flat
and Science to Lamp utilities.
|
|
| |
6.2 - |
Too few lines in single lamp frame
|
|
|
|
How to overcome the issue of too few lines in a single lamp frame to perform a satisfactory wavelength calibration: the use of the Merge Lamps utility.
|
|
| |
6.3 - |
Curved emission lines in lamp/sky frames
|
|
|
|
How to overcome the issue of curved emission lines in lamp frames (or scientific frames used as lamps) preventing an ideal refinement of the instrument
model on real data: the use of the SPLIT SLIT option in the adjust first guess in the case of LUCI longslit programs.
|
|
| |
6.4 - |
Adjust First Guess for a MOS program (MODS)
|
|
|
|
Description of the refinement procedure on real data in the MOS case.
|
|
7 - |
How to create a master flat
|
|
|
Creation of a master flat for a MODS longslit program and description of the use of the Show Spectra Location
utility for checking the quality of the solution.
How to upload masters from local folders in the current project: the Custom Auxiliary files button.
|
|
8 - |
How to create a master lamp
|
|
|
Creation of a master lamp for a MODS longslit program and description of the utilities available to check the quality of the wavelength
calibration solution: the use of the Show Spectra Location, Check Lambda Calibration and Plot Lambda Calibration tools.
|
|
9 - |
The preliminary reduction recipe
|
|
|
How to run the preliminary reduction recipe. This recipe subtracts dark/bias level, performs the flat fielding and the
bad pixel cleaning of the scientific frames. Cosmic ray cleaning is also performed if required.
|
|
10 - |
The reduce observations recipe for non-dithered observations
|
|
|
Description of the recipe applying the wavelength calibration solution and extraction of 2D spectra, object detections,
extraction of 1D spectra, sky subtraction (optional) and flux calibration (optional). Case for non-dithered observations.
Description of the reduced file fits extensions.
Use of the Show Reduced Spectra tool.
|
|
11 - |
The reduce observations recipe for dithered observations
|
|
|
How to run the Reduce Observations recipe in case of dithered observations: ABBA (or Davies for LUCI programs only) sky subtraction.
|
|
12 - |
How 2D spectra are packed in reduced files
|
|
|
Description of the Show Slit Position tool and how it can be used to recognise the 2D spectra packed in the
final reduced files (useful in MOS programs and MODS longslit).
|
|
13 - |
Sensitivity curve and flux calibration
|
|
|
Creation of the sensitivity curve used for flux-calibrating spectra. Description of the tool used for checking it, the Plot Sensitivity
|
|
14 - |
How to create a combined file
|
|
|
How to use the Combine Observations recipe for producing a final combination of the observations (also from the two arms, e.g. MODS1 and MODS2).
Description of the Compute Offsets tool for computing relative offsets between the frames to be used in the combination.
|
|
15 - |
Manage Detections tool
|
|
|
Description of the Manage Detections tool, used for displaying the extraction profile of the slits and deleting fake/undesired
detections and/or creating new ones either in the single reduced files or in the combined.
|
|
16 - |
Export spectra in ascii or fits format
|
|
|
How to export 1D and 2D spectra in ascii or fits format. Description of the Show Window Table utility.
|
|
