About Chandra Archive Proposer Instruments & Calibration Newsletters Data Analysis HelpDesk Calibration Database NASA Archives & Centers Chandra Science Links

Status of the HRC Calibration Products

  • HRC-S Degap Map - Late 2002
     
    The current set of degap coefficients were derived and implemented in CXC pipe-line processing late summer 2001. Problems with the LETG dispersion relation have called the coefficients into question. Further study of degap is on-going.
     
  • HRC PSF - Early 2003
     
    Using the newly available degap maps and de-ringing software we will begin a detailed analysis of the PSF and Encircle Energy performance of the HRC.
     
  • Event Filtering and De-ringing - Fall 2002
     
    The IPI Team is working to modify hrc_process_events to correct the HRC AMP_SF values and to update to the de-ringing correction.
     
  • HRC-S Background and PHA Response - Late 2002
     
    A thorough study on how to remove HRC-S background by filtering on PHA was intially conducted in 2000. Further work continues.
     

Comments to cxccal@cfa.harvard.edu


Last modified: 09/27/12



The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory.
60 Garden Street, Cambridge, MA 02138 USA.    Email: cxcweb@head.cfa.harvard.edu
Smithsonian Institution, Copyright © 1998-2004. All rights reserved.