| Parameter | Mand | Type | Default | Constraints |
| srclistset | yes | dataset | | |
File name for the FITS file of type OBSMLI containing a binary table of X-ray source positions and their errors. This must be an uncompressed FITS file which can
be opened for read/write access.
|
| catset | no | dataset | catextract.ds | |
File name for the FITS binary table containing the external catalogue, which is used as the reference of the source positions.
|
| mingood | no | integer | 10 | |
Minimum number of good X-ray detections in the input dataset
|
| minfit | no | real | 5.0 | |
Minimum overall goodness-of-fit for updating of RA_CORR and DEC_CORR.
|
| maxoffset | no | real | 10.0 | |
Maximum resulting offset in arc-seconds
|
| syserr | no | real | 0.1 | |
Assumed systematic position error in arc-seconds
|
| maxpofferr | no | real | 0.75 | |
Maximum position error offset for fit to be accepted in arc-seconds
|
| astcorr | no | bool | no | |
Set yes to perform astrometric correction dependent on off-axis angle
|
| Parameter | Mand | Type | Default | Constraints |
