ASCA Processing Documentation

These pages document the standard processing of ASCA data which is done at the Goddard Space Flight Center for US and European observers.

The processing script is divided into a number of subroutines Each of which performs a major processing step This page gives the calling structure of these routines and provides links to more detailed information about each one

• process (version 1.5)
  Setup for processing and call major subroutines.
  • telemetry (version 1.4)
    Fetch the telemetry and attitude files.

  • aspecting (version 1.3)
    Calculate the aspect point from the attitude files.

  • readfrfs (version 1.2)
    Unpack the raw telemetry into FITS event and housekeeping files.

  • combine (version 1.6)
    Merge the event files created by frfread.

  • faint2bright (version 1.0)
    Convert FAINT mode files to BRIGHT and BRIGHT2 modes

  • linearize (version 1.0)
    Run ascalin to calibrate the unfiltered event files.

  • fixthings (version 1.0)
    Fix a number of minor spacecraft-related problems in the data.

  • makefilters (version 1.2)
    Create the filter files.

  • screen (version 1.6)
    Run xselect to screen out bad data.

  • images (version 1.7)
    Generate images and exposure maps

  • sources (version 1.5)
    Find sources in detector fields of view

  • spectra (version 2.1)
    Extract PI spectra of source and background

  • lightcurves (version 1.2)
    Extract light curves.

  • sourceevents (version 0.0)
    Extract event files for each source

  • calsource (version 1.0)
    Extract GIS calibration source spectra

  • earthevents (version 1.0)
    Extract bright and dark earth event files

  • rev1products (version 1.5)
    Generate the rev1 data products.

  • information (version 1.1)
    Calculate various pieces of information

  • eventinfo (version 1.6)
    Create a descriptive list of all the event files.

  • header (version 1.2)
    Create an HTML header page.

  • sourceinfo (version 1.0)
    

  • rev1trend (version 1.9)
    Generate and list rev1 trend products

  • filelists (version 2.1)
    Make lists of the files to be distributed.

  • wrapup (version 1.4)
    Do a final wrap-up of all files.