Chandra Verification and Validation Report
       ------------------------------------------


V&V Scientist:  eric m. schlegel

Date (YYYY-MM-DD):  2001-11-05

Object:  RX J1856.5-3754

ObsID:  113

Observation interval(s):  0

Processing version:  3

Instrument:  HRC

Detnam:  HRC-S

Grating:  LETG


Output products: 

 Level 1 (HRC/ACIS): 
  events:                  evt1:         hrcf00113_000N003_evt1a.fits.gz
  mission time line:       mtl1:         hrcf00113_000N003_mtl1.fits.gz
  good time intervals:     flt1:         hrcf00113_000N003_std_flt1.fits.gz
  bad pixel list:          bpix1:        hrcf00113_000N003_bpix1.fits.gz
  window mask (acis):      msk1:         
  exposure stats (acis):   stat1:        

  deadtime factors:        hrc dtf1:          hrcf00113_000N003_dtf1.fits.gz
  deadtime factor stats:   hrc std_dtfstat1:  hrcf00113_000N003_std_dtfstat1.fits.gz

 Level 2 (HRC/ACIS): 
  events:                  evt2:         hrcf00113N003_evt2.fits.gz
  center image:            cntr_img2:    
  full image:              full_img2:    
  source list:             src2:         

 TG (L1.5) 
  events (grating):        evt1a:     
  source list (grating):   src1a:     hrcf00113_000N003_src1a.fits.gz

 TG (L2) 
  Type II PHA:             grating pha2:      


Verify actual obspar updated:  Y


 Obspar tolerance checks: 
  instrument:  as expected:         Y
  grating:     as expected:         Y
  detnam:      as expected:         Y
  ra_pnt:      within 30 arcsec:    Y
  dec_pnt:     within 30 arcsec:    Y
  roll_pnt:    within roll_toler:   
  ra_nom:      matches ra_pnt:      Y
  ra_targ:     matches ra_pnt:      Y
  dec_nom:     matches dec_pnt:     Y
  dec_targ:    matches dec_pnt:     Y
  roll_nom:    matches roll_pnt:    
  roll_targ:   matches roll_pnt:    Y
  datamode:    as expected:         Y
  readmode:    as expected (acis):  Y
  exptime_a:   within 10% (acis):   Y
  sim_z:       as expected:         Y


Usual messages (if not 'yes' then fill following):  Y

  Processing Errors/Warnings:    
    Explain: 


Visual inspection: 
 L1:  Events:        Y

 L2:  Events:        Y
      Center image:  
      Full image:    

 L1.5 (Grating) Events:  
           Source List:  Y
           Type II PHA:  Y


Known Sources:     
  Record source position:  x:   0.000000
                           y:   0.000000


Standard GTI Times (Seconds): 
ACIS/HRC:    Ontime:   55461.983276

ACIS Only:  ONTIME0:  
            ONTIME1:  
            ONTIME2:  
            ONTIME3:  
            ONTIME4:  
            ONTIME5:  
            ONTIME6:  
            ONTIME7:  
            ONTIME8:  
            ONTIME9:  


Constraints: 

  Time Critical:   N

    Constraint Met?: 
      Monitor:        N/A
      Phase:          N/A
      Window:         N/A


Comments (include reasons for disposition other than OK):


aspect solution good

Charge_Time (Required):  55461.9



V&V Disposition and Status: 

|X| COMPLETED OK 
    V&V found no problems

| | HOLD 
    V&V detected anomaly; V&V scientist will investigate

| | REPROCESSING REQUIRED 
    V&V detected anomaly to be resolved by reprocessing

| | REVIEW REQUIRED 
    V&V detected anomaly to be resolved by Director's office


Data Distribution:

|X| DISTRIBUTE DATA 

| | DO NOT DISTRIBUTE DATA