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 ' 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. DATE = '2010-06-07T16:05:11' / Date and time of file creation DATE-OBS= '2004-06-22T20:30:45' / Observation start date DATE-END= '2004-06-23T03:57:43' / Observation end date TIMESYS = 'TT ' / Time system MJDREF = 5.0814000000000E+04 / MJD zero point for times TIMEZERO= 0.0000000000000E+00 / Clock correction TIMEUNIT= 's ' / Time unit CLOCKAPP= T / default TSTART = 2.0432344579526E+08 / Observation start time TSTOP = 2.0435026338395E+08 / Observation end time MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument OBS_ID = '5008 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '800451 ' / Sequence number ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkwarf - Version CIAO 4.2' / tool that created this output MJD_OBS = 5.3178854696704E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/05008' / dataset identifier CHECKSUM= '44Hg52Ed42Ed42Ed' / HDU checksum updated 2010-06-07T16:05:11 DATASUM = ' ' / data unit checksum updated 2010-06-07T16:05:04 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' / name of this binary table extension HDUNAME = 'SPECRESP' / ASCDM block name TTYPE1 = 'ENERG_LO' / Min Energy TFORM1 = '1E ' / format of field TUNIT1 = 'keV ' TTYPE2 = 'ENERG_HI' / Max Energy TFORM2 = '1E ' / format of field TUNIT2 = 'keV ' TTYPE3 = 'SPECRESP' / Effective Area TFORM3 = '1E ' / format of field TUNIT3 = 'cm**2 ' EQUINOX = 2.0000000000000E+03 / default 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. DATE = '2010-06-07T16:05:11' / Date and time of file creation DATE-OBS= '2004-06-22T20:30:45' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2004-06-23T03:57:43' / Observation end date TIMESYS = 'TT ' / Time system MJDREF = 5.0814000000000E+04 / MJD zero point for times TIMEZERO= 0.0000000000000E+00 / Clock correction TIMEUNIT= 's ' / Time unit BTIMNULL= 2.0049927415069E+08 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default RADECSYS= 'ICRS ' / default BTIMRATE= 2.5625001134065E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 3.7658330210722E-18 / 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 SIM_X = -7.8090834371673E-01 / SIM focus pos (mm) SIM_Y = 0.0000000000000E+00 / SIM orthogonal axis pos (mm) SIM_Z = -2.2584334333202E+02 / SIM translation stage pos (mm) FOC_LEN = 1.0070000000000E+04 / HRMA focal length (mm) TIERRELA= 1.0000000000000E-09 / default TIERABSO= 5.0000000000000E-05 / default TIMVERSN= 'ASC-FITS-2' / Timing system definition TSTART = 2.0432344579526E+08 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-01236' / Detector RA_PNT = 1.6880180608769E+02 / Pointing RA DEC_PNT = 5.3278000257681E+01 / Pointing Dec ROLL_PNT= 2.6561259714158E+02 / Pointing Roll RA_TARG = 1.6881208300000E+02 / Observer's specified target RA DEC_TARG= 5.3331944000000E+01 / Observer's specified target Dec DEFOCUS = 1.4398718632593E-03 / SIM defocus (mm) RA_NOM = 1.6880180608769E+02 / Nominal RA DEC_NOM = 5.3278000257681E+01 / Nominal Dec ROLL_NOM= 2.6561259714158E+02 / Nominal Roll TSTOP = 2.0435026338395E+08 / Observation end time STARTMJF= 116570 / Major frame ctr value at start of data STARTMNF= 14 / Start minor frame ctr at start of data STARTOBT= 0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF STOPMJF = 117191 / Major frame ctr value at stop of data STOPMNF = 2 / Stop minor frame ctr at end of data TIMEPIXR= 5.0000000000000E-01 / default TIMEDEL = 3.1410400000000E+00 / timedel Lev1 (in seconds) CTI_APP = 'PPPPPBPBPP' CTI_CORR= T MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument READMODE= 'TIMED ' / Read mode DATAMODE= 'VFAINT ' / Data mode FLSHTIME= 0.0000000000000E+00 / Inferred duration of each flush. (s) CYCLE = 'P ' / events from which exps? Prim/Second/Both TITLE = 'Cluster studies: Determination of H0/q0' / Proposal title OBSERVER= 'DR. LEON VANSPEYBROECK' / Principal investigator OBJECT = 'MACS1115.2+5320' / Source name OBS_ID = '5008 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '800451 ' / Sequence number ONTIME = 1.8221754262775E+04 / [s] Sum of GTIs LIVETIME= 1.7983673628672E+04 / [s] Livetime EXPOSURE= 1.7983673628672E+04 / [s] Exposure time DTCOR = 9.8693426381071E-01 / Dead time correction ASPTYPE = 'KALMAN ' FP_TEMP = 1.5344601440000E+02 / [K] Focal Plane Temperature ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkwarf - Version CIAO 4.2' / tool that created this output ASCDSVER= 'CIAO 4.2' / ASCDS version number MJD_OBS = 5.3178854696704E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/05008' / dataset identifier REVISION= 2 / Processing version of data CHECKSUM= '9apEFZoD9aoDEYoD' / HDU checksum updated 2010-06-07T16:05:11 DATASUM = '2122434976' / data unit checksum updated 2010-06-07T16:05:11 RAND_SKY= 0.0000000000000E+00 RAND_PI = 0.0000000000000E+00 HDUCLASS= 'OGIP ' HDUCLAS1= 'RESPONSE' HDUCLAS2= 'SPECRESP' HDUVERS = '1.1.0 ' / HDU version HDUVERS1= '1.0.0 ' / HDU version HDUVERS2= '1.1.0 ' / HDU version CHANTYPE= 'PI ' / Channel Type DETCHANS= 1070 / Number of detector channels ARFVERSN= '1992a ' / RMF version number CONTENT = 'SPECRESP' THRSHLD = 0.0000000000000E+00 / FEF contrib percentage cutoff HISTNUM = 72 HISTORY TOOL :mkwarf 2010-06-07T16:05:11 ASC00001HISTORY PARM :infile=../../acisf05008/products/spectra/fullrun_ccd3_acASC00002HISTORY CONT :isf05008_pi14-548_pass1_cl_src10.pi[WMAP] ASC00003HISTORY PARM :outfile=../../acisf05008/products/spectra/fullrun_ccd3_aASC00004HISTORY CONT :cisf05008_pi14-548_pass1_cl_src10.warf ASC00005HISTORY PARM :weightfile=../../acisf05008/products/spectra/fullrun_ccdASC00006HISTORY CONT :3_acisf05008_pi14-548_pass1_cl_src10.wfef ASC00007HISTORY PARM :spectrumfile= ASC00008HISTORY PARM :egridspec=0.3:11.0:0.01 ASC00009HISTORY PARM :pbkfile=../../acisf05008/data/aux/acisf204324043N002_pbkASC00010HISTORY CONT :0.fits.gz ASC00011HISTORY PARM :threshold=0 ASC00012HISTORY PARM :feffile=CALDB ASC00013HISTORY PARM :mskfile= ASC00014HISTORY PARM :asolfile= ASC00015HISTORY PARM :mirror=HRMA ASC00016HISTORY PARM :detsubsysmod= ASC00017HISTORY PARM :dafile=CALDB ASC00018HISTORY PARM :ardlibpar=ardlib ASC00019HISTORY PARM :geompar=geom ASC00020HISTORY PARM :clobber=yes ASC00021HISTORY PARM :verbose=0 ASC00022FEFFILE = '/opt/ciao-4.2/CALDB/data/chandra/acis/fef_pha/acisD2000-01-29fef_ph&'CONTINUE 'a_ctiN0004.fits' / FITS Embedded function file HISTORY PARM :ARDLIB Version: 0.8.4 ASC00023HISTORY PARM :File used for CALDB info: ../../acisf05008/products/specASC00024HISTORY CONT :tra/fullrun_ccd3_acisf05008_pi14-548_pass1_cl_src10.pi[WASC00025HISTORY CONT :MAP] ASC00026HISTORY PARM :Parameter file: /home/xassist/cxcds_param4/ardlib.par ASC00027HISTORY PARM :Vignetting File: /opt/ciao-4.2/CALDB/data/chandra/defaulASC00028HISTORY CONT :t/vignet/hrmaD1996-12-20vignetN0003.fits[1] ASC00029HISTORY PARM :Onaxis Area File: /opt/ciao-4.2/CALDB/data/chandra/defauASC00030HISTORY CONT :lt/axeffa/hrmaD1996-12-20axeffaN0008.fits[1] ASC00031HISTORY PARM :ACIS QE File: /opt/ciao-4.2/CALDB/data/chandra/acis/qe/aASC00032HISTORY CONT :cisD1997-04-17qeN0006.fits[4] ASC00033HISTORY PARM :ACIS Uniformity File: /opt/ciao-4.2/CALDB/data/chandra/aASC00034HISTORY CONT :cis/qeu/acisD2000-01-29qeuN0006.fits[4] ASC00035HISTORY PARM :ACIS Contamination File: /opt/ciao-4.2/CALDB/data/chandrASC00036HISTORY CONT :a/acis/contam/acisD1999-08-13contamN0005.fits[4] ASC00037HISTORY PARM :ACIS 3 Badpix File: /xassist/data/pipeline4/chandra/5008ASC00038HISTORY CONT :/acisf05008/data/aux/acisf05008_000N002_bpix1_new.fits[BASC00039HISTORY CONT :ADPIX3] ASC00040HISTORY PARM :File used for CALDB info: ../../acisf05008/products/specASC00041HISTORY CONT :tra/fullrun_ccd3_acisf05008_pi14-548_pass1_cl_src10.pi[WASC00042HISTORY CONT :MAP] ASC00043HISTORY PARM :File used for CALDB info: ../../acisf05008/products/specASC00044HISTORY CONT :tra/fullrun_ccd3_acisf05008_pi14-548_pass1_cl_src10.pi[WASC00045HISTORY CONT :MAP] ASC00046HISTORY PARM :PIXLIB Version: 4.0.0 ASC00047HISTORY PARM :****** PIXLIB Parameter File ***** ASC00048HISTORY PARM :/opt/ciao-4.2/param/geom.par: ASC00049HISTORY PARM :instruments = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00050HISTORY CONT :geom/telD1999-07-23geomN0005.fits(CALDB) ASC00051HISTORY PARM :aimpoints = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00052HISTORY CONT :aimpts/telD1999-07-23aimptsN0002.fits(CALDB) ASC00053HISTORY PARM :tdet = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00054HISTORY CONT :tdet/telD1999-07-23tdetN0001.fits(CALDB) ASC00055HISTORY PARM :sky = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00056HISTORY CONT :sky/telD1999-07-23skyN0001.fits(CALDB) ASC00057HISTORY PARM :shell = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00058HISTORY CONT :sgeom/telD1999-07-23sgeomN0001.fits(CALDB) ASC00059HISTORY PARM :obsfile = nowT00:00:00() ASC00060HISTORY PARM :****** PIXLIB System Configuration ****** ASC00061HISTORY PARM :Telescope = Chandra ASC00062HISTORY PARM :Focal Length (mm) = 10070.000 ASC00063HISTORY PARM :Detector = ACIS ASC00064HISTORY PARM :Focal Plane Sys. = FP-1.1 ASC00065HISTORY PARM :Tiled Detector Plane Sys. = ACIS-2.2 ASC00066HISTORY PARM :SIM Offset (mm) = (0.684 0.75 236.552) ASC00067HISTORY PARM :Aim Point(NONE) (mm) = (-0.780908 0 -225.843) ASC00068HISTORY PARM :Grating Arm = HEG ASC00069HISTORY PARM :Grating Order = 1 ASC00070HISTORY PARM :Dispersion Plane Sys. = ASC-GDP-1.1 ASC00071HISTORY PARM :Rowland Circle (mm) = 8632.48 ASC00072END >>R=>R> > > >? >>{?hY>{>33?ȃ>33>Q?0>Q>p@!>p>\@Z>\>Ǯ@>Ǯ>@6>>@>> =@> =>(A'>(>GAU[>G>ffA3>ff>Aj>>A+>>AV>>HA!>H?B ??\B!=B?\?B9??BM^?? =qB ? =q? AA? ?\)A?\)?A??zBs?z? =Bh? =?B)C??(B4?(?RBAC,?R?!GBXF?!G?# Bo?# ?&ffBF?&ff?(Bв?(?+B?+?.{B?.{?0B2?0?333BD?333?5B?5?8QBΒ?8Q?:HBL?:H?=pBP!?=p?@B?@?B\C?B\?EC P?E?GCK?G?J=qC6?J=q?LC"?L?O\)C+`b?O\)?QC3а?Q?TzC<` ?Tz?W =CDv?W =?YCMMv?Y?\(CUO?\(?^RC^ ?^R?aGCf-?aG?c Cn^\?c ?fffCvX?fff?hC~?h?kC?k?n{C?n{?pCɲ?p?s33C"?s33?uCl?u?xQC;?xQ?zHC6?zH?}pC?}p?C[t??GC?G?\C ?\? CTU? ?C T??ffCk?ff?Cd??CH??=qCC?=q?Cz??Co??{Ck?{?\)CɉN?\)?C̕v??Cϋj??33C~?33?zC(?z?Ci?? =CQ? =?QC'?Q?Cw??HC>?H?(Ck,?(?pC?p?RC.?R?C??GC?G?\C=?\? Cg? ?C#??ffC?ff?Ci"??C??=qC?=q?C??Cr??{D^?{?\)D&?\)?D8??DL??33D?33?zDW?z?D0?? =D? =?QDt?Q?DH??HD?H?(D?(?pD V?p?RD Z?R?D ??GD L?G?\D k?\? D gl? ?D ??ffD 9?ff?ǮC.?Ǯ?C$??=qC,?=q?˅CR?˅?C@??{C5X?{?\)CX?\)?УC%j?У?Cw??33C?33?zC?z?C_?? =C.\? =?QC?Q?ٙC?ٙ?HDw?H?(D.{C@>{@>RC@>R@?\)C@?\)@@Czj@@@@Cn@@@AGCB@AG@AC<@A@B\Cm4@B\@C33C@C33@C C<@C @DzC@Dz@ECތ@E@EC-9@E@FffCD@Fff@G =C@G =@GCNf@G@HQC@HQ@HCF@H@IC@I@J=qCo$@J=q@JHC`@JH@KC<@K@L(C1@L(@LC@L@MpCF@Mp@N{CT@N{@NRC.@NR@O\)C'@O\)@PCJ@P@PCP@P@QGC΃@QG@QCLj@Q@R\CZ@R\@S33Ce@S33@S Cix@S @TzCz@Tz@UCb@U@UCH@U@VffC@Vff@W =C0X@W =@WC @W@XQC#@XQ@XCVO@X@YC@Y@Z=qC@Z=q@ZHC@ZH@[Ctz@[@\(C@\(@\CX@\@]pCو@]p@^{Cc@^{@^RCQD@^R@_\)C@_\)@`C@`@`CF@`@aGCK@aG@aC@a@b\C@b\@c33C@c33@c C@c @dzCD8@dz@eCvp@e@eC@e@fffC@fff@g =C@g =@gC@g@hQCR;@hQ@hCvD@h@iC@i@j=qCC@j=q@jHCڔ@jH@kCL@k@l(C[@l(@lC9k@l@mpCY@mp@n{Cva@n{@nRC@nR@o\)C@o\)@pC@p@pC*@p@qGCo@qG@qCܰ@q@r\C@r\@s33C @s33@s Cl@s @tzC@tz@uC$@u@uCC~@u@vffCb@@vff@w =Cs@w =@wCw@w@xQC{@xQ@xC@x@yC@y@z=qCD@z=q@zHC@zH@{C9@{@|(C̐@|(@|C@|@}pC@}p@~{C4y@~{@~RCWi@~R@\)CuH@\)@C(@@QC;@Q@C@@C@@GC@G@C@@CK@@=qC@=q@\C@\@HC @H@33CT@33@Cq\@@ Ce @ @(CX@(@zC?@z@C&@@C@@pC"@p@C@@{C@{@ffC@ff@RC@R@ =C@ =@\)Cr@\)@CW@@C<:@@QC!R@Q@C@@C;@@GC]@G@Ct@@C}"@@=qC\n@=q@\C1@\@HCD@H@33C@33@Ce@@ C@ @(CC@(@zC@z@Ch@@CA@@pC@p@CR@@{C&J@{@ffC@ff@RC•@R@ =C@ =@\)C>@\)@C @@C@@QC@Q@CgZ@@C*@@GC@G@C@@Ck@@=qC@=q@\C>@\@HCw@H@33C-4@33@C>@@ C@ @(C7W@(@zC@z@CL@@CI@@pC@p@C|@@{C1@{@ffC@ff@RC@R@ =C2r@ =@\)C@\)@C|@@C$F@@QCǦ@Q@Cf6@@C@@GC@G@CM(@@C@@=qCv@@=q@\C@\@HC,@H@33CX@33@C@@ C*@ @(CU@(@zCO@z@CLQ@@C@@pCf@p@C@@{Cn@{@ffC@ff@RC|@R@ =C@ =@\)C@\)@C @@C(@@QC@Q@C@@C@@GCwe@G@C`@@Co<@@=qC@=q@\C`@\@HC@H@33CGh@33@C@@ C<@ @(CB@(@zC4@z@C@@C"@@pC@p@C@@{Ct@{@ffC@ff@RCVh@R@ =C@ =@\)C3@\)@C2@@C@@QCa@Q@C@@C4@@GC@G@C6@@Cb@@=qCɹ@=q@\C0@\@HC-@H@33C@33@C[O@@ C@ @(C"@(@zCy@z@CР@@C/@@pC@p@C@@{CiR@{@ffC@ff@RC@Q@CU@@CT@@GCS@G@CRV@@CQJ@@=qCP ~@=q@\COg@\@HCN|@H@33CM7@33@ÅCLe@Å@ CK@ @(CI{@(@zCHl@z@CG(@@CF&@@pCEQ@p@CD!@@{CCM@{@ffCBB@ff@ƸRCA@ƸR@ =C@F@ =@\)C?͘@\)@ǮC>@Ǯ@C=@@QC< @Q@ȣC;z@ȣ@C:j.@@GC9e@G@əC8`@ə@C7]H@@=qC6Z@=q@ʏ\C5YV@ʏ\@HC4PR@H@33C3H@33@˅C24@˅@ C1@ @(C/@(@zC.@z@C-p@@C,Փ@@pC+@p@C*3@@{C)8@{@ffC(#@ff@θRC'|@θR@ =C&:@ =@\)C%m@\)@ϮC$L@@Ϯ@C#+@@QC"r@Q@УC!(@У@C r@@GC @G@љCɊ@љ@C@@=qC@=q@ҏ\Cm@ҏ\@HC~@H@33Cex@33@ӅCQ@Ӆ@ CD@ @(C8@(@zC#@z@C@@C|@@pC@p@CV@@{C@{@ffC %@ff@ָRC @ָR@ =C 6@ =@\)C @\)@׮C @׮@Ct@@QCh"@Q@أCc@أ@C`@@GCE@G@ٙC*k@ٙ@C/@@=qC@=q@ڏ\C@ڏ\@HB!@H@33B#@33@ۅB[@ۅ@ B@ @(B z@(@zB@z@B@@B7@@pBL@p@B @@{B@{@ffB,@ff@޸RBE@޸R@ =Bf@ =@\)B@\)@߮B{@߮@B@@QB@Q@B@@B@@GBC(@G@ᙚBo@ᙚ@Bӣ@@=qB@=q@\B\@\@HBO@H@33B̅x@33@Bʽ@@ B@ @(B5n@(@zBp@z@Bí@@B@@pBxb@p@B]@@{B!G@{@ffBW@ff@RB@R@ =BFh@ =@\)BԊ@\)@B4@@B~@@QB @Q@B@@Bv@@GB[(@G@陚Bp@陚@B)@@=qB@=q@\B%@\@HB@H@33B@33@B@@ B2@ @(B@(@zB@@z@B@@B?@@pB@p@BD@@{B@{@ffB2@ff@RBZ@R@ =BN@ =@\)B:@\)@B9V@@B֬@@QB@Q@BO@@BK@@GB@G@B@@BW|@@=qBO&@=q@\BG@\@HB,@H@33BW@33@B @@ Br@ @(B}8@(@zB{,@z@Bx @@Bv@@pBt@p@Brh^@@{Bp-@{@ffBm:@ff@RBkn@R@ =Bi`@ =@\)Bgl@\)@Be@@Bc@@QBa@Q@B_@@B]w$@@GB[Y@G@BY=@@BWL@@@=qBU@=q@\BS@\@HBQh@H@33BP@33@BNG@@ BLhG@ @(BJ@(@zBH@z@BGL@@BEn@@pBD@p@BB]@@{B@D@{@ffB?/@ff@RB=@R@ =B@AB7fAA(B6A(AQB4AQAzB3V.AzAB1JAAB0AAB/KAAB.hAAGB,AGApB+0ApAB*GZAAB(AAB'AA{B&A{A=qB%YA=qAffB$1AffA\B#A\ARB"dARAHB AHA =B^A =A33BA33A\)B^A\)ABAABKAA BA ABAA(BA(AQBAQAzBAzABAABAABAAB0AAGB ;AGApBApABAAB%AABDAA{B c9A{A=qB |A=qAffB AffA\B mA\ARB φARAHB6AHA =BA =A33BQA33A\)BtA\)ABAABjAA BlA ABXAA(BA(AQBvAQAzBAzABIZAAAAAAAA AA A GA0A GA pA4A pA AA A ADA A AA A {AA {A =qAƋA =qA ffAoZA ffA \AA \A RA@A RA HA(TA.=qA.ff?8*A.ffA.\?3&A.\A.R?.~A.RA.H?) A.HA/ =?$A/ =A/33? A/33A/\)?IA/\)A/?tA/A/?A/A/ ? A/ A0?;