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оригинального документа
: http://xmm.vilspa.esa.es/sas/7.0.0/documentation/threads/timing.html
Дата изменения: Tue Aug 22 17:27:45 2006 Дата индексирования: Sat Dec 22 14:24:53 2007 Кодировка: Поисковые слова: virgo cluster |
evselect table=PN.evt:EVENTS imagebinning=binSize imageset=PNimage.fits withimageset=yes \ xcolumn=X ycolumn=Y ximagebinsize=80 yimagebinsize=80
imgdisplay withimagefile=true imagefile=PNimage.fits
Fig.1: ds9 main window. A circular region (green circle) has been defined using the highlighted menu.
Fig.2: Selection region properties window, pop'd-up by double-clicking on the region in the main ds9 window
evselect table=PN.evt energycolumn=PI expression='#XMMEA_EP&&(PATTERN<=4)&& \ ((X,Y) IN circle(25910.5,25870.5,400))' withrateset=yes rateset="light_curve.fits" timebinsize=100 \ maketimecolumn=yes makeratecolumn=yes
evselect table=PN.evt energycolumn=PI expression='#XMMEA_EP&&(PATTERN<=4)&& \ ((X,Y) IN annulus(25910.5,25870.5,1000,2000)' withrateset=yes rateset="light_curve_background.fits" timebinsize=100 \ maketimecolumn=yes makeratecolumn=yes
lccorr srctsset=light_curve.fits withbkgtsset=yes bkgtsset=light_curve_background.fits subtractbkg=yes eventset=PN.evt outset=light_curve_corrected.fits
dsplot table=light_curve_corrected.fits withx=yes x=TIME withy=yes y=RATE
Fig.3: xmgrace window, containing the extracted light curve
The light curve is OGIP-complaint, and therefore analyzable with standard XRONOS-like LHEASOFT packages.
evselect table=P0133120201R1S001EVENLI0000.FTZ expression='region(P0133120201R1S001SRCLI_0000.FTZ:RGS1_SRCn_SPATIAL,BETA_CORR,XDSP_CORR) \ &®ion(P0133120201R1S001SRCLI_0000.FTZ:RGS1_SRCn_ORDER_1,BETA_CORR,PI)' withrateset=yes rateset="light_curve.fits" \ timebinsize=100 maketimecolumn=yes makeratecolumn=yes
evselect table=P0133120201R1S001EVENLI0000.FTZ expression='region(P0133120201R1S001SRCLI_0000.FTZ:RGS1_SRCn_SPATIAL,BETA_CORR,XDSP_CORR) \ &®ion(P0133120201R1S001SRCLI_0000.FTZ:RGS1_SRCn_ORDER_2,BETA_CORR,PI)' withrateset=yes rateset="light_curve.fits" \ timebinsize=100 maketimecolumn=yes makeratecolumn=yes