SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions XPROC0 = 'arfgen spectrumset=../../xmm0150970301/products/spectra/fullrun_pn_&'CONTINUE 'xmm0150970301_pi300-10000_pass1_cl_src15_src.pi rmfset=response.ds &'CONTINUE 'withrmfset=no arfset=deletearf.ds detmaptype=flat detmaparray=detma&'CONTINUE 'pfile.ds: detxoffset=1200 detyoffset=1200 withdetbounds=no detxbins&'CONTINUE '=1 detybins=1 psfenergy=2 filterdss=yes filteredset=filteredpixelli&'CONTINUE 'st.ds withfilteredset=no sourcecoords=eqpos sourcex=0 sourcey=0 wit&'CONTINUE 'hsourcepos=no extendedsource=yes modeleffarea=no modelquantumeff=no&'CONTINUE ' modelfiltertrans=no modelee=no modelootcorr=yes eegridfactor=100 w&'CONTINUE 'ithbadpixcorr=yes badpixlocation=../../xmm0150970301/products/event&'CONTINUE 's/fullrun_pn_xmm0150970301_pi300-10000_pass1_cl_src15_src.evt.gz ps&'CONTINUE 'fmodel=notSpecified badpixelresolution=2 setbackscale=yes keeparfse&'CONTINUE 't=no useodfatt=no ignoreoutoffov=yes crossreg_spectrumset='''' cros&'CONTINUE 'sregionarf=no # (arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0]' XPROC1 = 'arfgen spectrumset=../../xmm0150970301/products/spectra/fullrun_pn_&'CONTINUE 'xmm0150970301_pi300-10000_pass1_cl_src15_src.pi rmfset=response.ds &'CONTINUE 'withrmfset=no arfset=deletearf.ds detmaptype=flat detmaparray=detma&'CONTINUE 'pfile.ds: detxoffset=1200 detyoffset=1200 withdetbounds=no detxbins&'CONTINUE '=1 detybins=1 psfenergy=2 filterdss=yes filteredset=filteredpixelli&'CONTINUE 'st.ds withfilteredset=no sourcecoords=eqpos sourcex=0 sourcey=0 wit&'CONTINUE 'hsourcepos=no extendedsource=yes modeleffarea=no modelquantumeff=no&'CONTINUE ' modelfiltertrans=no modelee=no modelootcorr=yes eegridfactor=100 w&'CONTINUE 'ithbadpixcorr=yes badpixlocation=../../xmm0150970301/products/event&'CONTINUE 's/fullrun_pn_xmm0150970301_pi300-10000_pass1_cl_src15_src.evt.gz ps&'CONTINUE 'fmodel=notSpecified badpixelresolution=2 setbackscale=yes keeparfse&'CONTINUE 't=no useodfatt=no ignoreoutoffov=yes crossreg_spectrumset='''' cros&'CONTINUE 'sregionarf=no # (arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0]' XDAL0 = '../../xmm0150970301/products/spectra/fullrun_pn_xmm0150970301_pi300&'CONTINUE '-10000_pass1_cl_src15_src.pi 2012-03-31T22:30:35.000 Modify arfgen &'CONTINUE '(arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0] High SAS_MEMORY_MODEL&'CONTINUE '= SAS_ROWS= SAS_ZERO_ROWS= SAS_COLUMN_WISE= ' CREATOR = 'evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0]' / name of codDATE = '2012-03-31T22:30:22.000' / creation date ORIGIN = 'User site' ODSVER = '14.1.0 ' / ODS version ODSCHAIN= 'OPER ' / Processing Chain FILTER = 'Thin1 ' / Filter ID FRMTIME = 199 / [ms] Frame Time, nearest integer TELESCOP= 'XMM ' / Telescope (mission) name INSTRUME= 'EPN ' / Instrument name REVOLUT = 729 / XMM revolution number OBS_MODE= 'POINTING' / Observation mode (pointing or slew) OBS_ID = '0150970301' / Observation identifier EXP_ID = '0150970301001' / Exposure identifier EXPIDSTR= 'S001 ' / Exposure identifier (Xnnn) CONTENT = 'EPIC PN IMAGING MODE EVENT LIST' DATAMODE= 'IMAGING ' / Instrument mode (IMAGING, TIMING, BURST, etc.) SUBMODE = 'PrimeFullWindowExtended' / Guest Observer mode OBJECT = 'PSR B0943+10' / Name of observed object DATE-OBS= '2003-12-02T22:53:46' / Start Time (UTC) of exposure DATE-END= '2003-12-03T04:32:47' / End Time (UTC) of exposure DATE_OBS= '2003-12-02T22:01:33.000' / Date observations were made DATE_END= '2003-12-03T05:39:18.000' / Date observations ended DURATION= 2.74650000000000E+04 / [s] Duration of observation TIMESYS = 'TT ' / XMM time will be TT (Terrestial Time) MJDREF = 5.08140000000000E+04 / [d] 1998-01-01T00:00:00 (TT) expressed in MJD (TIMEZERO= 0 / Clock correction (if not zero) TIMEUNIT= 's ' / All times in s unless specified otherwise CLOCKAPP= T / Clock correction applied TIMEREF = 'LOCAL ' / Reference location of photon arrival times TASSIGN = 'SATELLITE' / Location of time assignment OBSERVER= 'Dr Bing Zhang' / Name of PI RA_OBJ = 1.46530459500000E+02 / [deg] Ra of the observed object DEC_OBJ = 9.86588890000000E+00 / [deg] Dec of the observed object RA_NOM = 1.46530459500000E+02 / [deg] Ra of boresight DEC_NOM = 9.86588890000000E+00 / [deg] Dec of boresight SRCPOS = 190 / [pixel] Assumed RAWY source position for fast mEXPSTART= '2003-12-02T22:53:46' / Start Time (UTC) of exposure EXPSTOP = '2003-12-03T04:32:47' / End Time (UTC) of exposure OBSSTART= '2003-12-02T22:01:33.000' / Date observation was started OBSSTOP = '2003-12-03T05:39:18.000' / Date observation was stopped ATT_SRC = 'AHF ' / Source of attitude data (AHF|RAF|THF) ORB_RCNS= T / Reconstructed orbit data used? TFIT_RPD= F / Recalculated signal propagation delays? TFIT_DEG= 4 / Degree of OBT-MET fit polynomial TFIT_RMS= 6.24822530843895E-07 / RMS value of OBT-MET polynomial fit TFIT_PFR= 0.00000000000000E+00 / Fraction of disregarded TCS data points TFIT_IGH= T / Ignored GS handover in TC data? LONGSTRN= 'OGIP 1.0' EQUINOX = 2.00000000000000E+03 / Equinox for sky coordinate x/y axes RADECSYS= 'FK5 ' / World coord. system for this file REFXCTYP= 'RA---TAN' / WCS Coord. type: RA tangent plane projection REFXCRPX= 25921 / WCS axis reference pixel of projected image REFXCRVL= 1.46523541666667E+02 / [deg] WCS coord. at X axis ref. pixel REFXCDLT= -1.38888888888889E-05 / [deg/pix] WCS X increment at ref. pixel REFXLMIN= 1 / WCS minimum legal QPOE projected image X axis vREFXLMAX= 51840 / WCS maximum legal QPOE projected image X axis vREFXDMIN= 38055 / WCS minimum projected image X axis data value REFXDMAX= 48439 / WCS maximum projected image X axis data value REFXCUNI= 'deg ' / WCS Physical units of X axis REFYCTYP= 'DEC--TAN' / WCS Coord. type: DEC tangent plane projection REFYCRPX= 25921 / WCS axis reference pixel of projected image REFYCRVL= 9.89338888888889E+00 / [deg] WCS coord. at Y axis ref. pixel REFYCDLT= 1.38888888888889E-05 / [deg/pix] WCS Y increment at ref. pixel REFYLMIN= 1 / WCS minimum legal QPOE projected image Y axis vREFYLMAX= 51840 / WCS maximum legal QPOE projected image Y axis vREFYDMIN= 13147 / WCS minimum projected image Y axis data value REFYDMAX= 29545 / WCS maximum projected image Y axis data value REFYCUNI= 'deg ' / WCS Physical units of Y axis AVRG_PNT= 'MEDIAN ' / Meaning of PNT values (mean or median) RA_PNT = 1.46523541666667E+02 / [deg] Actual (mean) pointing RA of the optical DEC_PNT = 9.89338888888889E+00 / [deg] Actual (mean) pointing Dec of the opticalPA_PNT = 1.10309928894043E+02 / [deg] Actual (mean) measured position angle of COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. COMMENT FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. HISTORY Created by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 201HISTORY 2-03-31T22:30:21 HISTORY Created by evlistcomb (evlistcomb-4.19.2) [xmmsas_20110223_1801-11.0.0] HISTORY at 2012-03-31T16:49:58 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:45:01 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:45:12 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 71 uplinked bad pixel sets (from CCF) HISTORY Mode2: 1 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 17 badpixfind pixel sets from file P0150970301PNS001BPXFLI0001.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:45:12 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:45:29 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:45:33 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:45:01 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:45:12 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 71 uplinked bad pixel sets (from CCF) HISTORY Mode2: 1 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 17 badpixfind pixel sets from file P0150970301PNS001BPXFLI0001.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:45:12 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:45:29 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:45:33 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:45:34 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:45:43 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 68 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 7 badpixfind pixel sets from file P0150970301PNS001BPXFLI0002.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:45:44 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:45:57 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:45:59 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:46:00 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:46:07 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 64 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 3 badpixfind pixel sets from file P0150970301PNS001BPXFLI0003.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:46:07 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:46:14 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:46:16 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:46:17 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:46:24 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 64 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 5 badpixfind pixel sets from file P0150970301PNS001BPXFLI0004.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:46:24 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:46:37 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:46:40 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:46:41 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:46:48 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 67 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 7 badpixfind pixel sets from file P0150970301PNS001BPXFLI0005.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:46:49 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:46:58 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:47:02 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:47:03 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:47:09 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 64 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 2 badpixfind pixel sets from file P0150970301PNS001BPXFLI0006.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:47:09 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:47:18 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:47:20 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:47:21 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:47:28 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 69 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 16 badpixfind pixel sets from file P0150970301PNS001BPXFLI0007.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:47:28 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:47:46 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:47:50 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:47:51 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:47:58 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 72 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 25 badpixfind pixel sets from file P0150970301PNS001BPXFLI0008.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:47:59 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:48:10 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:48:15 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:48:16 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:48:22 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 71 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 11 badpixfind pixel sets from file P0150970301PNS001BPXFLI0009.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:48:22 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:48:30 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:48:33 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:48:35 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:48:42 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 81 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 28 badpixfind pixel sets from file P0150970301PNS001BPXFLI0010.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:48:43 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:49:01 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:49:07 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:49:09 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:49:17 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 74 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 23 badpixfind pixel sets from file P0150970301PNS001BPXFLI0011.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:49:18 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:49:34 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:49:37 HISTORY Created by epframes (epframes-8.87.2) [xmmsas_20110223_1801-11.0.0] at 2HISTORY 012-03-31T16:49:39 HISTORY Modified by badpix (badpix-2.32.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:49:45 HISTORY bad pixel extension added. Includes: HISTORY Mode1: 67 uplinked bad pixel sets (from CCF) HISTORY Mode2: 0 non-uplinked bad pixel sets (from CCF) HISTORY Mode3: 7 badpixfind pixel sets from file P0150970301PNS001BPXFLI0012.HISTORY FIT HISTORY Modified by epevents (epevents-6.43) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:49:46 HISTORY Modified by attcalc (attcalc-4.32) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T16:49:56 HISTORY Source of reference point information: PNT HISTORY Source of attitude information: AHF HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:49:57 HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:50:08 HISTORY Modified by dssetattr (daltools-1.9.1) [xmmsas_20110223_1801-11.0.0] at HISTORY 2012-03-31T16:50:12 HISTORY Modified by dssetattr (daltools-1.9.1) [xmmsas_20110223_1801-11.0.0] at HISTORY 2012-03-31T16:50:12 HISTORY Modified by epexposure (epexposure-0.9) [xmmsas_20110223_1801-11.0.0] atHISTORY 2012-03-31T16:50:15 HISTORY Modified by dscopyblock (daltools-1.9.1) [xmmsas_20110223_1801-11.0.0] aHISTORY t 2012-03-31T16:50:17 HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T16:54:46 HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T17:09:03 HISTORY Modified by evselect (evselect-3.61) [xmmsas_20110223_1801-11.0.0] at 20HISTORY 12-03-31T22:30:12 HISTORY Modified by arfgen (arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T22:30:23 HISTORY Modified by arfgen (arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0] at 2012HISTORY -03-31T22:30:35 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 6 / width of table in bytes NAXIS2 = 4096 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'CHANNEL ' / The name of this column TFORM1 = 'I ' / data format of field: 2-byte INTEGER TTYPE2 = 'COUNTS ' / The name of this column TFORM2 = 'J ' / data format of field: 4-byte INTEGER TUNIT2 = 'count ' / physical unit of field EXTNAME = 'SPECTRUM' / The name of this table TELESCOP= 'XMM ' / Telescope (mission) name INSTRUME= 'EPN ' / Instrument name SLCTEXPR= 'ellipse(16120.766600, 32154.374600, 541.050616, 280.375208, 169.638&'CONTINUE '372, X, Y)' / Filtering expression used by evselect FILTER = 'Thin1 ' / Filter ID HDUCLASS= 'OGIP ' / Format conforms to OGIP/GSFC conventions HDUCLAS1= 'SPECTRUM' / File contains a spectrum HDUCLAS2= 'TOTAL ' / File contains gross counts HDUCLAS3= 'COUNT ' / Spectrum is stored as counts HDUVERS1= '1.1.0 ' / Version of format AREASCAL= 1.00000000000000E+00 / Nominal scaling factor for data CORRSCAL= 1.00000000000000E+00 / Nominal scaling factor for correction file POISSERR= T / Poisson errors appropriate SYS_ERR = 0 / Global systematic error CHANTYPE= 'PI ' / Type of channel data DETCHANS= 4096 / Total number of detector channels available QUALITY = 0 / All channels have good quality GROUPING= 0 / No data grouping done SPECDELT= 5 / Spectral channel size, ie the binning factor SPECPIX = 0 / The rebinned channel correspondsing to SPECVAL SPECVAL = 2.00000000000000E+00 / Original chan value at center of rebinned chan DSTYP1 = 'CCDNR ' / data subspace descriptor: name DSTYP2 = 'FLAG ' / data subspace descriptor: name DSTYP3 = 'PATTERN ' / data subspace descriptor: name DSTYP4 = 'PI ' / data subspace descriptor: name DSUNI4 = 'eV ' / data subspace descriptor: units DSTYP5 = 'TIME ' / data subspace descriptor: name DSUNI5 = 's ' / data subspace descriptor: units DSTYP6 = 'POS(X,Y)' / data subspace descriptor: name DSVAL1 = '1 ' / data subspace descriptor: value DSVAL2 = '0 ' / data subspace descriptor: value DSVAL3 = ':4 ' / data subspace descriptor: value DSVAL4 = '300:10000' / data subspace descriptor: value DSVAL5 = 'TABLE ' / data subspace descriptor: value DSREF5 = ':GTI00005' / data subspace descriptor: reference DSVAL6 = 'TABLE ' / data subspace descriptor: value DSREF6 = ':REG00106' / data subspace descriptor: reference 2DSVAL1 = '2 ' / data subspace descriptor: value 2DSREF5 = ':GTI00105' / data subspace descriptor: reference 3DSVAL1 = '3 ' / data subspace descriptor: value 3DSREF5 = ':GTI00205' / data subspace descriptor: reference 4DSVAL1 = '4 ' / data subspace descriptor: value 4DSREF5 = ':GTI00305' / data subspace descriptor: reference 5DSVAL1 = '5 ' / data subspace descriptor: value 5DSREF5 = ':GTI00405' / data subspace descriptor: reference 6DSVAL1 = '6 ' / data subspace descriptor: value 6DSREF5 = ':GTI00505' / data subspace descriptor: reference 7DSVAL1 = '7 ' / data subspace descriptor: value 7DSREF5 = ':GTI00605' / data subspace descriptor: reference 8DSVAL1 = '8 ' / data subspace descriptor: value 8DSREF5 = ':GTI00705' / data subspace descriptor: reference 9DSVAL1 = '9 ' / data subspace descriptor: value 9DSREF5 = ':GTI00805' / data subspace descriptor: reference 10DSVAL1= '10 ' / data subspace descriptor: value 10DSREF5= ':GTI00905' / data subspace descriptor: reference 11DSVAL1= '11 ' / data subspace descriptor: value 11DSREF5= ':GTI01005' / data subspace descriptor: reference 12DSVAL1= '12 ' / data subspace descriptor: value 12DSREF5= ':GTI01105' / data subspace descriptor: reference MTYPE1 = 'POS ' / DM Keyword: Descriptor name MFORM1 = 'X,Y ' EXPOSURE= 1.40304133828293E+04 / Weighted live time of CCDs in the extraction reBACKSCAL= 476800 / Scaling factor for background TLMIN1 = 0 TLMAX1 = 4095 END   !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~                           ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~                            ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~                            ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~                            ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~                            ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~        !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 16 / width of table in bytes NAXIS2 = 46 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'START ' / lower GTI boundary TFORM1 = 'D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'STOP ' / upper GTI boundary TFORM2 = 'D ' / data format of field: 8-byte DOUBLE TUNIT2 = 's ' / physical unit of field EXTNAME = 'GTI00005' / The name of this table CCDID = 1 / CCD ID HDUCLASS= 'OGIP ' / format conforms to OGIP standard HDUCLAS1= 'GTI ' / table contains Good Time Intervals HDUCLAS2= 'STANDARD' / standard Good Time Interval table ONTIME = 1.66302542483211E+04 / [s] sum of all Good Time Intervals TSTART = 1.86792889376171E+08 / [s] Lower bound of first GTI TSTOP = 1.86813168476146E+08 / [s] Uppler bound of last GTI TIMEZERO= 0 / Clock correction (if not zero) END ADwrrADz9zADzPAD|AMYAD}h"ADЮADMADYAD {sADADsrJ7AD놗YAD;DAD SADWADӃADzADǛADzbFAD1췕ADu&ADLADdlAD AD?0CAD}ADb`AD1\ADkAD"$AD6nADrMC^AD BADl9ADTADADՠAD)NADhBAD//{ADb.&ADZdiADDAD)?RADҒEAD9AD,AAD(AD6ADÚADEADƁAD$וAD/SADɠAD-FAD|BAD0bADADY dAD^AD ADۚAD߫wzPAD[AD{ 8ADl#ADAD'ceAD6kNAD`#AD2C9AD4)ADt&ADkADIYADADjjn.AD%GADJAD8 VAE2nAE'}zAEAE \AE4AEAE AE AE?AESCAEoXTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 37 / width of table in bytes NAXIS2 = 1 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 6 / number of fields in each row TTYPE1 = 'SHAPE ' / shape of element TFORM1 = '16A ' / data format of field: ASCII Character TTYPE2 = 'X ' / x-coordinate vector TFORM2 = 'E ' / data format of field: 4-byte REAL TTYPE3 = 'Y ' / y-coordinate vector TFORM3 = 'E ' / data format of field: 4-byte REAL TTYPE4 = 'R ' / radius vector TFORM4 = '2E ' / data format of field: 4-byte REAL TTYPE5 = 'ROTANG ' / rotation angle vector TFORM5 = 'E ' / data format of field: 4-byte REAL TTYPE6 = 'COMPONENT' / component number that shape belongs to TFORM6 = 'B ' / data format of field: BYTE EXTNAME = 'REG00106' / The name of this table HDUCLASS= 'ASC ' HDUCLAS1= 'REGION ' HDUCLAS2= 'STANDARD' MTYPE1 = 'pos ' MFORM1 = 'X,Y ' END ELLIPSE F{F4DC=C0C)lXTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 16 / width of table in bytes NAXIS2 = 46 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'START ' / lower GTI boundary TFORM1 = 'D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'STOP ' / upper GTI boundary TFORM2 = 'D ' / data format of field: 8-byte DOUBLE TUNIT2 = 's ' / physical unit of field EXTNAME = 'GTI00105' / The name of this table CCDID = 2 / CCD ID HDUCLASS= 'OGIP ' / format conforms to OGIP standard HDUCLAS1= 'GTI ' / table contains Good Time Intervals HDUCLAS2= 'STANDARD' / standard Good Time Interval table ONTIME = 1.66299792762995E+04 / [s] sum of all Good Time Intervals TSTART = 1.86792889376171E+08 / [s] Lower bound of first GTI TSTOP = 1.86813168476146E+08 / [s] Uppler bound of last GTI TIMEZERO= 0 / Clock correction (if not zero) END ADwrrADz9zADzqAD|AMYAD}hCoADЮADnADYAD ]ADADsuk!AD놗YAD\.AD SADx ADӃAD dADǛADz0AD1췕ADxADLADgVAD AD?3-AD}ADe0JAD1\ADUAD"$AD9ADrMC^AD .,ADl9ADXADADAD)NADh ,AD//{ADb1GjADZdiAD.AD)?RADҖ/AD9AD,bAD(AD60ADÚADE ADƁAD$AD/SADɠ)AD-FAD|cnAD0bADADY dADaAD ADۚAD߫wzPAD[AD{ 8ADo/ ADAD'fOAD6kNADcDAD2C9AD7ADt&ADADIYAD@ADjjn.AD(hADJAD8A@AE2nAE*dAEAE.FAE4AE$qAE AE ֫AE?AET8-AEoXTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 16 / width of table in bytes NAXIS2 = 46 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'START ' / lower GTI boundary TFORM1 = 'D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'STOP ' / upper GTI boundary TFORM2 = 'D ' / data format of field: 8-byte DOUBLE TUNIT2 = 's ' / physical unit of field EXTNAME = 'GTI00205' / The name of this table CCDID = 3 / CCD ID HDUCLASS= 'OGIP ' / format conforms to OGIP standard HDUCLAS1= 'GTI ' / table contains Good Time Intervals HDUCLAS2= 'STANDARD' / standard Good Time Interval table ONTIME = 1.66297043163478E+04 / [s] sum of all Good Time Intervals TSTART = 1.86792889376171E+08 / [s] Lower bound of first GTI TSTOP = 1.86813168476146E+08 / [s] Uppler bound of last GTI TIMEZERO= 0 / Clock correction (if not zero) END ADwrrADz9zADzԒAD|AMYAD}hdPADЮADADYAD ý>ADADsxAD놗YAD}AD SADADӃAD"AEADǛADzAD1췕AD{ADLADj7AD AD?6AD}ADhQ+AD1\AD6AD"$AD}AD1JAD6ADOg@ADtgADoN~AADEADƁAD$וAD/SADɠAD-FAD0* ADpɃADq.ADΒ-ɹAD7sADоwADhq2 AD1 AD~?AD ADAD\7ADԫ:AD ADzADY dAD"ףADْ*ZAD;N`ADڳ+ADۚAD"^ADo^TAD+AD݅ADoADޣ#AD߫wzPAD[AD0AD AD{ 8ADl#ADAD;LADBAD`#AD 8fAD]AD!|@ADAD:ADDBAD[ADADh+ADrAD2C9AD4)ADϔADkADDADdqADۦ5ADuAD(U'ADI+ AD ADNAD04iADl9AD²!AD8sADU-ADIYADADRzAD;&.ADjjn.AD%GADcKAD8 VAD?5yAD2FADYLqTADsvAE2nAEa:bAEq!eAE AEAE \AEcAEWTAEAE!sAEXAEAE4AEAEБ AEW,AE HUAE &8.AE AE AE yAE OAE #"AE 6 !AE >+0AET!AEAETAE@gAEAE?AE^AEQrAEZAEpԆXTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 16 / width of table in bytes NAXIS2 = 115 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'START ' / lower GTI boundary TFORM1 = 'D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'STOP ' / upper GTI boundary TFORM2 = 'D ' / data format of field: 8-byte DOUBLE TUNIT2 = 's ' / physical unit of field EXTNAME = 'GTI00905' / The name of this table CCDID = 10 / CCD ID HDUCLASS= 'OGIP ' / format conforms to OGIP standard HDUCLAS1= 'GTI ' / table contains Good Time Intervals HDUCLAS2= 'STANDARD' / standard Good Time Interval table ONTIME = 9.32100945270061E+03 / [s] sum of all Good Time Intervals TSTART = 1.86792889376171E+08 / [s] Lower bound of first GTI TSTOP = 1.86813112851056E+08 / [s] Uppler bound of last GTI TIMEZERO= 0 / Clock correction (if not zero) END ADwrrADwADxMADzzADzPAD{ AD{[AD|AMYAD}dgADuADSAD5ADAD3aADű AD"eAD7;ADЮADADZAD^1WADװAD {sADADPfAD8!ADADADBAD놗YADVAD;ADAD SADWAD fBADz ADӃADzAD~xADj2ADǛADeOADADgKAD ZADu&ADADADaADADNADy&AD"2ADoADADdlAD6ADqADAD$ADADvjAD}AD4!AD1\ADDAD˻JAD6nADrMC^ADMƷADQGADw{ADl9ADTAD I+gADjMADADՠADADTD%ADAD@AD)NADb[AD-AD ;ZAD7; ADXBAD YADoAD/ADAD]ADNAD:ADAD,AD4AD>YAD]ADX0ADҒEADAD{gAD9AD,AAD]ADIl_ADԷADš{AD8ADğdADnADŧ0AD?$ADǺRADhADȶϞAD/SADɵLAD \G=ADʯ5AD-FAD̜&ADF{ADΠ5PADfADѫwADN%ADҡ-AD]ADADeADԖ @MAD߁ADք |ADAD׍Ğ*ADY dADَADADڊFAD&Q.ADۚADlAiADޒAD߫wzPADpۿADH2ADȹ AD{ 8ADl#ADAD$AD,)AD'ceADsڡAD.IAD AD`#ADݤAD#ADzAD:[AD[/,ADzADYADADAD`ADQНAD[AD>ADMAD7ADAzAD`>AD[PADҒEADAD~AD9AD,AADGADLIADADšAD"ADğƅ ADADŧQ{AD`ADǺ2AD챃"AD앜?fADߪmAD4)ADˆAD ADt&ADkADLAD42dADqkoADQADhAAD@AD#8vADLADLoADAD)vAD0ۖAD*lAD[AD/AD%GAD:IADa2AD2{ADhAD9ѮWAD8 VAD@뉹ADGAE2nAE'}zAE7 AEߒAEAEUAE4AEQ_AE RCgAE .&AE AE "AE RyAE :AE S'~cAD yADAD AD놗YAD!ADB-jADЙAD SADWAD lADADӃADzADPCADqADǛADkADDADmAD5%ADu&AD 5AD#ADgDAD7AD͐ZAD*ADcADv+ADYADdlAD=9JAD