ASCA Sequence 66021000 Header Page

The following information is also available:

• Details of each event file
• A list of detected sources
• A list of all files
• The processing log index

Observation Information

• Object: MRK 1259
• Nominal Pointing (degrees)
  • R.A.=159.58 Dec.=-7.196
  • Lii=254.904 Bii=42.925
• Observation Date: May 20, 1998
• Duration: 104 kiloseconds (with 5 kiloseconds of telemetry gaps)
• Approximate SIS Exposure: 30.5 kiloseconds (approximately 22% with telemetry saturated)
• Approximate GIS Exposure: 42.1 kiloseconds

Processing Information

• Sequence Version: 002
• Processing Version: 7.3.8 (Revision 2)
• FTOOLS Version: 4.2.b
• Processing Date: December 11, 1999
• GIS Secular Gain Calibration Date: August 8, 1999
• GIS Gain Map Calibration Date: April 1, 1999
• SIS CTI Calibration Date: October 3, 1997

US Principal Investigator

Japan Principal Investigator