SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H HDUNAME = 'PRIMARY ' / ASCDM block name LONGSTRN= 'OGIP 1.0' / The HEASARC Long String Convention may be used.COMMENT This FITS file may contain long string keyword values that are COMMENT continued over multiple keywords. The HEASARC convention uses the & COMMENT character at the end of each substring which is then continued COMMENT on the next keyword which has the name CONTINUE. ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkarf v0.6.2-0' / Program creating this file CHECKSUM= 'QkpgRhnZQhnfQhnZ' / HDU checksum updated 2013-05-17T05:53:54 DATASUM = ' ' / data unit checksum updated 2013-05-17T05:53:48 DATE = '2013-05-17T05:53:54' / Date and time of file creation MJD_OBS = 5.6375508203719E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/15622' / dataset identifier DATE-OBS= '2013-03-24T12:11:48' / Observation start date DATE-END= '2013-03-25T02:21:15' / Observation end date TIMESYS = 'TT ' / Time system MJDREF = 5.0814000000000E+04 / [d] MJD zero point for times TIMEZERO= 0.0000000000000E+00 / [s] Clock correction TIMEUNIT= 's ' / Time unit CLOCKAPP= T / default DETNAM = 'ACIS-3 ' / ACIS-I3 FILTER = ' ' GRATING = 'NONE ' CYCLE = 'P ' / events from which exps? Prim/Second/Both SIM_X = -7.8090834371673E-01 / [mm] SIM offset SIM_Y = 0.0000000000000E+00 / [mm] SIM offset SIM_Z = -2.3125414986098E+02 / [mm] SIM offset TSTART = 4.8051430880129E+08 / [s] Observation start time (MET) TSTOP = 4.8056527590404E+08 / [s] Observation end time (MET) MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope Used INSTRUME= 'ACIS ' / Instrument OBS_ID = '15622 ' / Observation id OBI_NUM = 1 / Obi number SEQ_NUM = '501823 ' / Sequence number END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 12 / width of table in bytes NAXIS2 = 1070 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 3 / number of fields in each row EXTNAME = 'SPECRESP' / Imaging ARF HDUNAME = 'SPECRESP' / ASCDM block name CONTENT = 'SPECRESP' HDUVERS = '1.1.0 ' HDUCLASS= 'OGIP ' HDUCLAS1= 'RESPONSE' HDUCLAS2= 'SPECRESP' HDUVERS1= '1.0.0 ' / Obsolete Keyword HDUVERS2= '1.1.0 ' / Obsolete Keyword ARFVERSN= '1992a ' / Obsolete Keyword TTYPE1 = 'ENERG_LO' / Energy TFORM1 = '1E ' / format of field TUNIT1 = 'keV ' TLMIN1 = 0.0000000E+00 TLMAX1 = 2.0000000E+01 TTYPE2 = 'ENERG_HI' / Effective Area TFORM2 = '1E ' / format of field TUNIT2 = 'keV ' TLMIN2 = 0.0000000E+00 TLMAX2 = 2.0000000E+01 TTYPE3 = 'SPECRESP' / Effective Area TFORM3 = '1E ' / format of field TUNIT3 = 'cm**2 ' LONGSTRN= 'OGIP 1.0' / The HEASARC Long String Convention may be used.COMMENT This FITS file may contain long string keyword values that are COMMENT continued over multiple keywords. The HEASARC convention uses the & COMMENT character at the end of each substring which is then continued COMMENT on the next keyword which has the name CONTINUE. ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkarf v0.6.2-0' / Program creating this file ASCDSVER= 'CIAO 4.3' / ASCDS version number REVISION= 1 / Processing version of data CHECKSUM= '7mno7knn7knn7knn' / HDU checksum updated 2013-05-17T05:53:54 DATASUM = '1922876243' / data unit checksum updated 2013-05-17T05:53:54 RAND_SKY= 0.0000000000000E+00 RAND_PI = 0.0000000000000E+00 DATE = '2013-05-17T05:53:54' / Date and time of file creation MJD_OBS = 5.6375508203719E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/15622' / dataset identifier DATE-OBS= '2013-03-24T12:11:48' / Observation start date DATE-END= '2013-03-25T02:21:15' / Observation end date TIMESYS = 'TT ' / Time system MJDREF = 5.0814000000000E+04 / [d] MJD zero point for times TIMEZERO= 0.0000000000000E+00 / [s] Clock correction TIMEUNIT= 's ' / Time unit BTIMNULL= 4.7625707100856E+08 / Basic Time offset (s) BTIMRATE= 2.5625001385802E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= -3.6072683478068E-20 / Basic Time clock drift (s / VCDUcount^2) BTIMCORR= 0.0000000000000E+00 / Correction applied to Basic Time rate (s) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock CLOCKAPP= T / default TIERRELA= 1.0000000000000E-09 / default TIERABSO= 5.0000000000000E-05 / default TIMVERSN= 'ASC-FITS-2' / Timing system definition TSTART = 4.8051430880129E+08 / [s] Observation start time (MET) TSTOP = 4.8056527590404E+08 / [s] Observation end time (MET) OBS_MODE= 'POINTING' / Observation mode STARTMJF= 129823 / Major frame ctr value at start of data STARTMNF= 65 / Start minor frame ctr at start of data STARTOBT= 0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF STOPMJF = 244 / Major frame ctr value at stop of data FILTER = 'NONE ' / QE includes all filters RESPFILE= '0.3:11.0:0.01' / RMF File ASPFILE = '../../acisf15622/products/aux/asphist_3.fits.gz' / Aspect Histogram FSTOPMNF = 1 / Stop minor frame ctr at end of data TIMEPIXR= 5.0000000000000E-01 / default DATACLAS= 'OBSERVED' / default RADESYS = 'ICRS ' / default TIMEDEL = 3.1410400000000E+00 / [s] timedel Lev1 MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope Used SIM_X = -7.8090834371673E-01 / [mm] SIM offset SIM_Y = 0.0000000000000E+00 / [mm] SIM offset SIM_Z = -2.3125414986098E+02 / [mm] SIM offset FOC_LEN = 1.0070000000000E+04 / [mm] HRMA focal length INSTRUME= 'ACIS ' / Instrument GRATING = 'NONE ' / Grating DETNAM = 'ACIS-3 ' / ACIS-I3 RA_PNT = 9.8477679038576E+01 / [deg] Pointing RA DEC_PNT = 1.7755765410965E+01 / [deg] Pointing Dec ROLL_PNT= 2.6750812663895E+02 / [deg] Pointing Roll RA_TARG = 9.8475833000000E+01 / [deg] Observer's specified target RA DEC_TARG= 1.7770250000000E+01 / [deg] Observer's specified target Dec DEFOCUS = 1.4398718632593E-03 / [mm] SIM defocus RA_NOM = 9.8477679038576E+01 / [deg] Nominal RA DEC_NOM = 1.7755765410965E+01 / [deg] Nominal Dec ROLL_NOM= 2.6750812663895E+02 / [deg] Nominal Roll READMODE= 'TIMED ' / Read mode CTI_CORR= T CTI_APP = 'PPPPPBPBPP' FRACEXPO= 9.6740754114868E-01 / Effective fractional exposure DATAMODE= 'VFAINT ' / Data mode FLSHTIME= 0.0000000000000E+00 / [s] CYCLE = 'P ' / events from which exps? Prim/Second/Both TITLE = 'A Legacy Study of the Relativistic Shocks of PWNe' / Proposal title OBSERVER= 'Prof. Roger Romani' / Principal investigator OBJECT = 'PSR J0633+1746' / Source name OBS_ID = '15622 ' / Observation id OBI_NUM = 1 / Obi number SEQ_NUM = '501823 ' / Sequence number ONTIME = 4.7659351673901E+04 / [s] Sum of GTIs ONTIME3 = 4.7659351673901E+04 / [s] Sum of GTIs LIVETIME= 4.7036647157977E+04 / [s] Livetime LIVTIME3= 4.7036647157977E+04 / [s] Livetime EXPOSURE= 4.7036462565154E+04 / [secs] Total exposure time EXPOSUR3= 4.7036647157977E+04 / [s] Exposure time DTCOR = 9.8693426381071E-01 / Dead time correction ASPTYPE = 'KALMAN ' FP_TEMP = 1.5344601440000E+02 / [K] Focal Plane Temperature HISTORY ----------------------------------------------------------------- HISTORY MKARF Processing History HISTORY ----------------------------------------------------------------- HISTORY Startup Directory: /xassist/data/pipeline4/chandra/15622/acisf15622/prodHISTORY ucts HISTORY Cmd Line: mkarf @@/tmp/tmp8gjp7k.par mode=hl HISTORY Parameter file used: /tmp/tmp8gjp7k.par HISTORY Detector Mask File: ../../acisf15622/data/aux/acisf15622_001N001_msk1.fiHISTORY ts.gz HISTORY Source SKY position: (4181.12,4505.76) HISTORY ---------------------------------------------------------------------- HISTORY ARDLIB History Records HISTORY ---------------------------------------------------------------------- HISTORY ARDLIB Version: 0.8.5 HISTORY File used for CALDB info: ../../acisf15622/products/events/fullrun_ccd3_HISTORY acisf15622_pi14-548_pass1_cl_src3_src.evt.gz HISTORY Parameter file: /opt/ciao-4.3/param/ardlib.par HISTORY ACIS QE File: /opt/ciao-4.3/CALDB/data/chandra/acis/qe/acisD1997-04-17qeHISTORY N0006.fits[4] HISTORY ACIS Uniformity File: /opt/ciao-4.3/CALDB/data/chandra/acis/qeu/acisD200HISTORY 0-01-29qeuN0006.fits[4] HISTORY ACIS Contamination File: /opt/ciao-4.3/CALDB/data/chandra/acis/contam/acHISTORY isD1999-08-13contamN0006.fits[4] HISTORY ACIS 3 Badpix File: /opt/ciao-4.3/CALDB/data/chandra/acis/badpix/acisD20HISTORY 00-11-28badpixN0003.fits[4] HISTORY Vignetting File: /opt/ciao-4.3/CALDB/data/chandra/default/vignet/hrmaD19HISTORY 96-12-20vignetN0003.fits[1] HISTORY Onaxis Area File: /opt/ciao-4.3/CALDB/data/chandra/default/axeffa/hrmaD1HISTNUM = 22 HISTORY 996-12-20axeffaN0008.fits[1] HISTORY ---------------------------------------------------------------------- HISTORY ---------------------------------------------------------------------- HISTORY PIXLIB History Records HISTORY ---------------------------------------------------------------------- HISTORY PIXLIB Version: 4.0.0 HISTORY ****** PIXLIB Parameter File ***** HISTORY /opt/ciao-4.3/param/geom.par: HISTORY instruments = /opt/ciao-4.3/CALDB/data/chandra/default/geom/telD1999-07HISTORY -23geomN0006.fits(CALDB) HISTORY aimpoints = /opt/ciao-4.3/CALDB/data/chandra/default/aimpts/telD1999-HISTORY 07-23aimptsN0002.fits(CALDB) HISTORY tdet = /opt/ciao-4.3/CALDB/data/chandra/default/tdet/telD1999-07HISTORY -23tdetN0001.fits(CALDB) HISTORY sky = /opt/ciao-4.3/CALDB/data/chandra/default/sky/telD1999-07-HISTORY 23skyN0002.fits(CALDB) HISTORY shell = /opt/ciao-4.3/CALDB/data/chandra/default/sgeom/telD1999-0HISTORY 7-23sgeomN0001.fits(CALDB) HISTORY obsfile = nowT00:00:00() HISTORY ****** PIXLIB System Configuration ****** HISTORY Telescope = AXAF HISTORY Focal Length (mm) = 10070.000 HISTORY Detector = ACIS HISTORY Focal Plane Sys. = FP-1.1 HISTORY Tiled Detector Plane Sys. = ACIS-2.2 HISTORY SIM Offset (mm) = (0.684 0.75 236.552) HISTORY Aim Point(NONE) (mm) = (-0.780908 0 -231.254) HISTORY Grating Arm = HEG HISTORY Grating Order = 1 HISTORY Dispersion Plane Sys. = ASC-GDP-1.1 HISTORY Rowland Circle (mm) = 8632.48 HISTORY ---------------------------------------------------------------------- HISTORY TOOL :mkarf 2013-05-17T05:53:54 ASC00001HISTORY PARM :asphistfile=../../acisf15622/products/aux/asphist_3.fitsASC00002HISTORY CONT :.gz ASC00003HISTORY PARM :outfile=../../acisf15622/products/spectra/fullrun_ccd3_aASC00004HISTORY CONT :cisf15622_pi14-548_pass1_cl_src3.arf ASC00005HISTORY PARM :sourcepixelx=4181.12476 ASC00006HISTORY PARM :sourcepixely=4505.76476 ASC00007HISTORY PARM :engrid=0.3:11.0:0.01 ASC00008HISTORY PARM :obsfile=../../acisf15622/products/events/fullrun_ccd3_acASC00009HISTORY CONT :isf15622_pi14-548_pass1_cl_src3_src.evt.gz ASC00010HISTORY PARM :pbkfile=../../acisf15622/data/aux/acisf480516557N001_pbkASC00011HISTORY CONT :0.fits.gz ASC00012HISTORY PARM :dafile=CALDB ASC00013HISTORY PARM :mirror=HRMA ASC00014HISTORY PARM :detsubsys=ACIS-I3 ASC00015HISTORY PARM :grating=NONE ASC00016HISTORY PARM :maskfile=../../acisf15622/data/aux/acisf15622_001N001_msASC00017HISTORY CONT :k1.fits.gz ASC00018HISTORY PARM :ardlibparfile=ardlib.par ASC00019HISTORY PARM :geompar=geom ASC00020HISTORY PARM :verbose=0 ASC00021HISTORY PARM :clobber=yes ASC00022END >>R<>R> =:> >>%>>{>5t>{>33>f>33>Q?)#>Q>p?h7q>p>\?>\>Ǯ?>Ǯ>@>>@l>> =@Z2> =>(@)d>(>G@ą>G>ff@E>ff>A>>A9FA>>A^>>HAX2>H?AY:??\A?\?Aכ]??AƬ?? =qA? =q? A"? ?\)Ae?\)?Ag??zA?z? =A͵[? =?AG??(A?(?RBR?R?!GB=?!G?# B/$?# ?&ffBB?&ff?(BX&?(?+Bp?+?.{Bl+?.{?0Bc?0?333B{?333?5B]?5?8QB\%?8Q?:HB!4?:H?=pB{.?=p?@Bfq?@?B\B%?B\?EB?E?GB='?G?J=qC?J=q?LC ?L?O\)C̰?O\)?QC?Q?TzC#H?Tz?W =C+_N?W =?YC3?Y?\(C<?\(?^RCD\?^R?aGCLz?aG?c CT?c ?fffC\Å?fff?hCdŲ?h?kCl?k?n{CtW?n{?pC|7?p?s33C?s33?uC?u?xQC?xQ?zHCڀ?zH?}pC?}p?C}??GCA&?G?\C?\? C? ?C5??ffCt?ff?CV??C ??=qCT?=q?Cr??C??{C%?{?\)CN?\)?Câ??C??33C?G?\Cy?\? C"z? ?C|??ffC1?ff?C~??C ??=qCg?=q?C??C??{C?{?\)C?\)?DB4??D9??33D ?33?zDu?z?Dk?? =D? =?QDS.?Q?D??HD?H?(D?(?pDZ?p?RD ?R?D ϟ??GD }?G?\D r?\? D ? ?D AS??ffD >?ff?ǮC?Ǯ?C??=qC\?=q?˅C@ (@ Cb@ @ pCgjH@ p@{CoXU@{@RCt@R@\)Cw@\)@CzY@@Cy@@@GC|R@G@C@@\C%@\@33C@33@ Ct-@ @zC1@z@C3@@Cæ@@ffC@ff@ =C@ =@CX@@QC@Q@Cb@@C@@=qC@=q@HC a@H@CA@@(C@(@C@@pC@p@{C}@{@RCy@R@\)CX@\)@ C7@ @ CFZ@ @!GC`@!G@!C@!@"\Co(@"\@#33C@#33@# C@# @$zC@$z@%Cؔ@%@%C"@%@&ffCH@&ff@' =C@' =@'Ck@'@(QCb@(Q@(C @(@)C@)@*=qCa@*=q@*HCZ@*H@+CS@+@,(C2u@,(@,C8u@,@-pCB@-p@.{C?[@.{@.RC@.R@/\)C@/\)@0CA@0@0Cx@0@1GCe@1G@1CC8@1@2\C]@2\@333C@333@3 C,L@3 @4zC~@4z@5C@5@5C@5@6ffC= @6ff@7 =C@7 =@7C Y@7@8QC@8Q@8CC@8@9C@9@:=qC@:=q@:HC?@:H@;CW9@;@<(C?@<(@{C@>{@>RCxG@>R@?\)C1@?\)@@C4@@@@Cnp@@@AGC@AG@ACy@A@B\C@B\@C33CI%@C33@C C@C @DzC!@Dz@EC[@E@ECi@E@FffC _@Fff@G =Ck@G =@GC @G@HQC5@HQ@HC<@H@IC8@I@J=qC@J=q@JHCNN@JH@KC)y@K@L(CM]@L(@LCOB@L@MpCL@Mp@N{Cd@N{@NRCI@NR@O\)CU@O\)@PCm @P@PCt@P@QGCf6@QG@QC"@Q@R\CN@R\@S33C@S33@S C@S @TzC?@Tz@UCw@U@UC\@U@VffC]^@Vff@W =Cf@W =@WCO{@W@XQCʺ@XQ@XC@X@YC/@Y@Z=qCtd@Z=q@ZHCO@ZH@[C"O@[@\(C@X@\(@\C^\@\@]pCH@]p@^{C@^{@^RC@^R@_\)CH@_\)@`C/@`@`C@`@aGCs@aG@aCF@a@b\Ct@b\@c33Ca@c33@c C@c @dzC@dz@eC99@e@eC]K@e@fffCR@fff@g =C@g =@gC@g@hQCB@hQ@hC=@h@iCa@i@j=qC@j=q@jHC@jH@kC@k@l(C6@l(@lC@l@mpC$/@mp@n{CB@n{@nRCa@nR@o\)Cm@o\)@pCx@p@pC@p@qGC@qG@qC@q@r\CX@r\@s33Cۓ@s33@s C@s @tzC@tz@uC:@u@uCf@u@vffC@p@C@@{C7@{@ffC@ff@RC@R@ =C:@ =@\)Cg@\)@C,@@C-@@QC@Q@Cp@@C@@GC@G@CY=@@CA@@=qC@=q@\C@\@HC@H@33Ce@33@CN@@ Cb@ @(C@(@zC@z@CY@@C@@pCs@p@C#@@{Cz@{@ffC@ff@RC@R@ =C`@ =@\)C@\)@C@@C@@QCG@Q@C@@Ch@@GC~@G@C@@CvB@@=qC@=q@\Cg5@\@HC@H@33CL@33@CĪ@@ CAQ@ @(C@(@zC7@z@C@@C$@@pC@p@C@@{Ct@{@ffC@ff@RCT@R@ =C@ =@\)C1_@\)@CY@@C@@QC]@Q@C@@C0@@GC@G@Ck@@C\\@@=qCu@=q@\C(@\@HC<@H@33C@33@CP@@ CO@ @(C3@(@zCk@z@C@@C@@pC @p@C@@{CT@{@ffC@ff@RC$@R@ =C}@ =@\)C־@\)@CA@@C@@QC @Q@Cc@@C@@GC-U@G@CO@@C )@@=qCj@=q@\C@\@HC4@H@33C@33@C@@ Cp@ @(C|@(@zCHR@z@Cl@@C~P@@pC}<\@p@C|(q@@{C{@{@ffCy@ff@RCx@R@ =Cwp@ =@\)Cvv@\)@Cu@@Ct@@QCs@Q@CrN@@Cq@@GCpc@G@Co?{@@Cn)@@=qCm!l@=q@\Cl@\@HCk@H@33CiH@33@Ch@@ Cg|@ @(Cf֗@(@zCe@z@CdŪ@@Cc@@pCc @p@Cb@@@{CaF@{@ffC_[@ff@RC^@R@ =C]j@ =@\)C\@\)@C[s@@CZzR@@QCYld@Q@CXi@@CWg@@GCVe|@G@CUd@@CT]@@=qCSR@=q@\CRH7@\@HCQH@H@33CPH@33@ÅCOG@Å@ CNC@ @(CM@@(@zCL)^@z@CK@@CJ G@@pCIh@p@CH&(@@{CG @{@ffCE@ff@ƸRCD[@ƸR@ =CC@ =@\)CC R@\)@ǮCA0@Ǯ@C@@@QC?þ@Q@ȣC>@ȣ@C=@@GC<@G@əC;@ə@C:Q@@=qC9@=q@ʏ\C8O@ʏ\@HC7v@H@33C6j@33@˅C5S@˅@ C41P@ @(C3@(@zC1K@z@C0@@C/@@pC.,@p@C-c@@{C,غ@{@ffC+@ff@θRC*@θR@ =C)@ =@\)C(r@\)@ϮC'N@Ϯ@C&,=@@QC%@Q@УC$@У@C# @@GC!N@G@љC @љ@C@@=qC@=q@ҏ\C@ҏ\@HCiC@H@33CL[@33@ӅC5@Ӆ@ C%@ @(C@(@zC@z@Cl@@Co@@pCʸ@p@C@@{C|@{@ffC@ff@ָRCj@ָR@ =C^@ =@\)C SD@\)@׮C @\)@B=*@AB;AA(B: A(AQB8AQAzB7;AzAB5'AAB4k0AAB3AAB1AAGB0hAGApB/QApAB-AAB,[AAB+g AA{B*"A{A=qB(A=qAffB'AffA\B&A\ARB%ARAHB$vNAHA =B#bA =A33B"P!A33A\)B!5A\)AB 6AABAA BA ABAA(BA(AQB֩AQAzB?AzABAAB)AAB AAB!kAAGB8AGApB6ApAB5AABBAAB[AA{Bv*A{A=qBA=qAffBAffA\B .A\ARB mARAHB JAHA =B OA =A33B HA33A\)B u8A\)ABAAB)AA BA AB=GAA(Bu\A(AQB)AQAzBAzAB$AABcAABAA BA A GB#SA GA pAџA pA A]A A A)A A A:A A {AA {A =qAAA =qA ffALA ffA \A}$A \A RA A RA HA`A HA =A'A =A 33AA 33A \)A>A \)A A8A A AOA A AA A A5A A (A$ A (A QA|A QA zALrA zA AaA A A}A A AA A AݶQA A GATA GA pA=A pA A} A A AA A AA A{AyXA{A=qA.A=qAffAAffA\AA\ARAARAHAyAHA =A6A =A33AA33A\)AʣEA\)AABAAAeAA ATA AA^AA(AFA(AQAdAQAzA[AzAA_AAAgAAATAAAqAAGACAGApAApAAhAAAAAAAA{AEA{A=qAA=qAffAAffA\AA\ARASARAHAAHA =AIA =A33AsA33A\)A0A\)AAAAAAA AAA AAAA(AA(AQAcAQAzADAzAARAAAAAAE|AAAAAGAAGApA|[ApAAA33A\)AQQA\)AANAAALBAA AI2A AAG*)AA(ADA(AQAAAQAzA?AzAAA\)AAAAA $$AA A 3A A A^A A (Ah'A (A QA9A QA zA A zA @A A @>@A A @ٌA A!@yA!A!G@A!GA!p@ZA!pA!@tA!A!@_A!A!@