XOasis 4.3 on-line manual
GETTING STARTED
TUTORIAL
DATA REDUCTION
Preprocessing
of raw CCD spectroscopic frames
Offset
correction
Build
bias
Build
high frequency flat field
Object
frame preprocess
Spectra
extraction mask creation
Copy
the reference table
Find the
lenses positions
Find the
spectra ridges
(maxima)
Create the
extraction mask
Plot
the mask figure
Get
info
regarding the mask
Extraction
of the spectra
Wavelength
calibration
Edit
reference table
Compute
calibration
Apply
calibration
Low frequency flat-fielding
Compute
flat field correction
Apply
flat field correction
Cosmic ray impacts
removal
Sky spectrum
subtraction
Define
the empty sky area
Compute the sky spectrum
over the empty sky area
Subtract the sky spectrum
from the object spectra
Flux
calibration
Copy
reference table
Compute
flux correction
Apply
flux correction
Mosaic
: combine adjacent fields
Coordinates
recentering
Truncate
datacubes
Merge
datacubes
Analyse
: spatial or spectral integration, line/continuum separation
Integrate over a
wavelength interval
Integrate over a
circular spatial area
Integrate over a
spatial area of any shape
Contiunuum
separation
Image
reconstruction
Reconstruct
image
Fit
image PSF
Extract slit
(Cut image)
Import/Export
data
Export spectra
from datacube.
Import spectra
cwas ainto datacube.
File exchange
Tools
Observation logbook
Reduction folder
Get information regarding:
a
data cube
a
1D or 2D file
a
table
Access to
file descriptors
Access to
table data
Select
Read
Edit
Set/unset
super class
New
shell window
Display
graphical information :
Show an
image
Use the
datacube explorer
Plot
a spectrum or a table
Use the
reduction logbook
Settings
: user's preferences
Change
current work directory
General
preferences
File
format and overwrite
Debug
mode
History
file
Miscellaneous
settings
User's reduction
log file
User's
assistant
: concise on-the-fly help.
User's name
On-line help
browser
Window size
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Last update: 11/01/1999. Send comments to
martin@cfht.hawaii.edu