comments in italics
xselect
** xselect
V1.1a **
> Enter session name >[xsel] session1
session1:ASCA > read events > Enter the Event file dir >[./] > Enter Event file list >[] rp700000.fits Got new mission: ROSAT and new instrument: PSPC > Reset the mission and instrument? >[yes] This is ROSAT Notes: xselect set up for ROSAT Keywords for time and pha are TIME PI Units of time are s Keywords for images are X Y Setting: IMAGE binning = 15 WMAP binning = 15 Energy Column = PI Energy rebinning = 1 WMAP keywords = DX DY Getting Min and Max for Energy Column... Got min and max for PI: 0 255 Number of files read in: 1 ******************** Observation Catalogue ******************** Data Directory is: /disk/user/agn/ HK Directory is: /disk/user/agn/ INSTRUME DATE-OBS XS-RAPT XS-DECPT XS-OBSID XS-LIVTI 1 PSPC 07/11/93 .218E+03 .623E+02 US700000 .952E+04 session1:ROSAT-PSPC > extract image Extractor 1.0q XPI 2.1t Doing file: /disk/user/agn/rp700000.fits Getting FITS WCS Keywords 100% completed Total Good Bad: Region Time Phase PHA 124810 123847 0 0 0 963 =========================================================================== Grand Total Good Bad: Region Time Phase PHA 124810 123847 0 0 0 963 Total Counts for image : 123847 Total Time for image : 9625.0000000000 Total Counts/Time for image : 12.867220779221 session1:ROSAT-PSPC > saoimage
define regions and save to a file, as detailed in section 3.1.2
session1:ROSAT-PSPC > filter region target.reg session1:ROSAT-PSPC > set binsize 200 session1:ROSAT-PSPC > extract curve exp=0.1
(200 s time bins set)
(minimum partial bin 20s)
Extractor 1.0q XPI 2.1t Doing file: /disk/user/agn/rp700000.fits 100% completed Total Good Bad: Region Time Phase PHA 124810 123847 0 0 0 963 =========================================================================== Grand Total Good Bad: Region Time Phase PHA 124810 123847 0 0 0 963 Total Counts for Fits Light Curve : 123847 Total Time for Fits Light Curve : 9625.0000000000 Total Counts/Time for Fits Light Curve : 12.867220779221 session1:ROSAT-PSPC > plot curve Note: cursor timing selection is now done with the command FILTER TIME CURSOR(the light curve has a few bad points which i wish to exclude)
session1:ROSAT-PSPC > filter time cursor Type: - click to include a time region c - to cancel cursor selection e - makes the selection excluded l - puts cursor on the left r - puts cursor on the right x - to exit cursor selection p - to return to PLT prompt - click outside the plot to cancel a selection Enter QUIT at PLT prompt to continue(2 clicks define a time for inclusion and these are written to session1_cursor_gti001.xsl save these times to a file so you can use them again in a future session)
session1:ROSAT-PSPC > save time cursor > Give output file name >[] good.times session1:ROSAT-PSPC > extract spectrum Extractor 1.0q XPI 2.1t Doing file: /disk/user/agn/rp700000.fits Getting FITS WCS Keywords 100% completed Total Good Bad: Region Time Phase PHA 124810 17847 0 106781 0 182 =========================================================================== Grand Total Good Bad: Region Time Phase PHA 124810 17847 0 106781 0 182 Total Counts for spectrum : 17847 Total Time for spectrum : 1401.5493164062 Total Counts/Time for spectrum : 12.733765263260 session1:ROSAT-PSPC > save spectrum > Give output file name >[high_state] The data will be grouped using the following: Bad 1-11, 212-256&group 12-211 10&show group&show quality&exit > Group ( or rebin ) the spectra before outputting? >[yes](if the spectrum you are saving is a background spectrum then do not group the data)
-------- GROUPING -------- --------------------------------------------- Channel Grouping (Channel-Channel) : 1 - 11 are single channels 12 - 211 are grouped by a factor 10 --------------------------------------------- ------- QUALITY ------- Bad Channels (Channel - Channel) --------------------------------------------- 1 - 11 have quality 5 212 - 256 have quality 5 --------------------------------------------- Wrote spectrum to high_state.pha session1:ROSAT-PSPC > exit Do you wish to save this session?> no