obsid_1198_Sky

Mon Jan 17 13:31:12 2000 : obs_anal.pro started

Inputs


 Filename        = /nfs/spectra/d2/3c273/acisf1198_000N001_g02346Elt10s4G110_evt2.fits
 Output_prefix   = obsid_1198
 Output dir.     = Obs_out
 Grating         = LETG
   cd_width      =  0.600000 mm
   cd_offset     =  0.00000 mm
 Detector        = ACIS-S
   Spatial coord = Sky
   * FLIPY IS set!
   * ROLLAXAY =      -68.0003
 OVERRIDE_ZERO keyword set


Getting Data ...


 Source of data: /nfs/spectra/d2/3c273/acisf1198_000N001_g02346Elt10s4G110_evt2.fits

 Reading FITS file: /nfs/spectra/d2/3c273/acisf1198_000N001_g02346Elt10s4G110_evt2.fits

 Tag names are:
TIME EXPNO GDPX GDPY TG_R TG_D CHIPX CHIPY TDETX TDETY DETX DETY X Y CCD_ID
 PHA PI ENERGY GRADE FLTGRADE CCDNODE TG_M TG_LAM TG_MLAM TG_SRCID TG_PART
 TG_SMAP STATUS

* Looks like ENERGY is in eV, converting to keV
 Creating ftime from TIME

 Total Events =  263127
 Start time =  63833866. seconds
 Interval duration =  39625.725 seconds
 Ave Event Rate =  6.6403076 events/second


Coordinates and Pixel Size...


 (Not CC mode data)
* Changing the sign of SkyY

 Spatial coordinates are : SkyX, -SkyY
 pixel size  = 23.9949 microns
 Processing method = Sky


Showing and Selecting Events...


 Keeping TIME-in-range events,  100.000 %
  (from  0.0000000 to  39625.725)
 Start time =  63833866. seconds
 Interval duration =  39625.725 seconds
 Keeping STATUS=0 events,  100.000 %
 No QUALCODE selection
 GRADE distribution:
    0 :    95019,    36.11 %
    1 :        0,     0.00 %
    2 :    53071,    20.17 %
    3 :    27272,    10.36 %
    4 :    26226,     9.97 %
    5 :        0,     0.00 %
    6 :    61539,    23.39 %
 Keeping GRADE = 0,2,3,4,6 events,  100.000 %
 Keeping ENERGY selected events,  99.0221 %
  (from  0.200000 to  10.0000 keV)

Linear  binning from  0.200000 to  10.0000 keV
 dE of one bin width =  0.0146000 keV



ACIS EXPNO Analysis...


 Min, Max, Unique EXPNOs:            3,        34731,       34709.0

       Exposures and Events per Chip (w/selections)

           MIN(EXPNO)  MAX(EXPNO)   TotalEvents   TotalExps   PoissExps *      Ratio

 CCD 0 : 
 CCD 1 : 
 CCD 2 : 
 CCD 3 : 
 CCD 4 :            5       34727        5719        4949      5272.84     0.938583
 CCD 5 :            4       34729       25761       17850      18188.0     0.981418
 CCD 6 :            4       34731       44719       25055      25145.9     0.996383
 CCD 7 :            3       34730      164457       34479      34422.2      1.00165
 CCD 8 :            8       34726       13162       11038      10954.6      1.00761
 CCD 9 :            8       34731        6736        5967      6122.91     0.974537

    * Expected number of exposures with one or more
      detected events, assuming no telemetry-limit-dropped
      exposures for this CCD.



Timing Analysis...


 Selected Events =  260554
 Start time =  63833866. seconds
 Interval duration =  39625.725 seconds
 Ave Event Rate =  6.5753750 events/second

 Found no big ( >  15.0000 s) gaps in event data.



Determine Zero-order...


 Zero-order search uses energies:  0.70 to  6.00 keV.

 Average SkyX,-SkyY gives x,y =  4150.10,  -4084.69
 Mouse clicked at x,y =  4135.93,  -4144.35
 Average SkyX,-SkyY gives x,y =  4166.11,  -4044.23
 Mouse clicked at x,y =  4156.93,  -4076.07
 Average SkyX,-SkyY gives x,y =  4157.83,  -4064.95

 Mouse clicked at x,y =  4153.44,  -4070.42

==> MTA Monitor Task 5.2 <==

 Zero-order Location SkyX,-SkyY ave-median =  4153.44,  -4070.42

 Events in Zero-order Region =  67187
 Ave. Event Rate in Zero-order Region =  1.6955400 events/seconds

 SkyX,-SkyY RMS Radius =  66.6292 pixels
 Number of SkyX LRF pixels GT 10% of peak =  8
 Number of SkyX LRF pixels GT 50% of peak =  2



Detailed Examine Zero-order Spatial...


* Rolling the AX,AY coordinates by -68.000 degrees.

 Total Events =  260554
 Start time =  63833866. seconds
 Interval duration =  39625.725 seconds
 Ave Event Rate =  6.5753750 events/second

 The spatial coordinates to be used for grating spectra are:
   AX, AY  =  SkyX,-68.000deg., -SkyY,-68.000deg.

 AX,AY RMS Radius =  66.6292 pixels
 Width of AX LRF at 10% of peak =   132.0 microns
 Width of AX LRF at 50% of peak =    40.8 microns
 Gaussian center =       1.77102 pixels
 Gaussian fit FWHM =    60.6 microns
        FWHM error =     0.3 microns

* Zero-order FWHM manually set to:  200.000 microns.

 Width of Streak LRF at 10% of peak =    91.2 microns
 Width of Streak LRF at 50% of peak =    38.4 microns
 Gaussian center =       1.63679 pixels
 Gaussian fit FWHM =    51.7 microns
        FWHM error =     3.9 microns

 Creating ISIS format: obsid_1198_Sky_strk_1d_isis.dat ...

 Creating ISIS format: obsid_1198_Sky_zo_1d_isis.dat ...

* Streak fit used to offset aveAX


Detailed Examine Zero-order Spectral...


 Creating ISIS format: obsid_1198_Sky_Zero_isis.dat ...

Measure Grating Angle(s)...

==> MTA Monitor Task 5.5 <==

 Selecting events in the grating parts...
   cd_width =  0.600000 mm
   cd_offset =  0.00000 mm

 LEG_minus number of events =  69378
 LEG_minus slope is  -0.00114702, -->  -0.0657195 degrees on detector
 LEG_plus number of events =  76120
 LEG_plus slope is  -0.00107538, -->  -0.0616150 degrees on detector
 LEG_all number of events =  145498
 LEG_all slope is  -0.00113027, -->  -0.0647595 degrees on detector



Crude Dispersed Spectra w/Pileup Estimate...



 Rowland spacing used is  8632.31 mm

 MEG Zero-order offset:       0.00000 pixels

 Use ACIS ENERGY for Order selection...
 LEG minus order selection keeps  75.7791 %,   52574 events
 LEG plus  order selection keeps  82.0336 %,   62444 events


 Estimating pileup level in dispersed spectra...
LEG-minus Max rate:     0.0222421 per frame
LEG-plus Max rate:     0.0216947 per frame

 Constant d-Lambda binning from  0.200000 to  10.0000 keV

 E/dE of one bin width at 1 keV =  555.022



Compare Zero-order and Dispersed Spectra...

==> MTA Monitor Task 5.7 <==

 Smoothing the spectra by E/dE ~  40.5605



Outputing Histograms of Spectra...


 Creating obsid_1198_Sky_LEGm1_hist.rdb ...
 Creating ISIS format: obsid_1198_Sky_LEGm1_isis.dat ...

 Creating obsid_1198_Sky_LEGp1_hist.rdb ...
 Creating ISIS format: obsid_1198_Sky_LEGp1_isis.dat ...


Check Level 1.5 Columns...


 Found Level 1.5 columns: 
     TG_R      TG_D      TG_M      TG_LAM      TG_MLAM      TG_SRCID
      TG_PART      TG_SMAP

 TG_SRCID: MAX value (<99) is:  1

 TG_M: MAX value (<99) is:  62
 TG_M: MIN value is:  -71

 Events in different Source-Parts:

   Source      Zero-order     HEG     MEG     LEG
  - - - - - - - - - - - - - - - - - - - - - - - - - -
   Backgnd       36053
  . . . . . . . . . . . . . . . . . . . . . . . . .
      1          40078           0       0  184423
  - - - - - - - - - - - - - - - - - - - - - - - - - -



Output Histogram files from L1.5...


 Level 1.5 columns - creating L1.5 histograms...

 Source  1  LEGm1 : Number of events =  60392
 Creating obsid_1198_L1.5_S1LEGm1_hist.rdb ...

 Source  1  LEGp1 : Number of events =  74941
 Creating obsid_1198_L1.5_S1LEGp1_hist.rdb ...


Listing of _summary.rdb file ...
Mon Jan 17 13:36:28 2000 : obs_anal.pro finished