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Next: HDUVERS = 1.0.0 Up: ogip_92_007a Previous: INTRODUCTION

ALLOWED FORMATS

A summary of the changes which have been made to this format are listed in Table 2, along with the version of XSPEC with which they are compatible.








Table 1: Log of changes to the OGIP format for a single PHA dataset
HDUVERS Date XSPEC Comments
    version  
       
1.0.0 1992 July $>$8.0 Original Arnaud etal format
1.1.0 1993 Sept $>$8.0 Small changes to optional keywords
1.2.0 2001 Mar $>$11.1 Allowed 4-byte integer CHANNEL number
      and AREASCAL and BACKSCAL as vectors
1.2.1 2004 Apr All Allowed 2-byte COUNTS
       


Subsections
next up previous
Next: HDUVERS = 1.0.0 Up: ogip_92_007a Previous: INTRODUCTION
Keith Arnaud
2004-04-12