ASCA Sequence 64001020 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: NGC4258
• Nominal Pointing (degrees)
  • R.A.=184.853 Dec.=47.34
  • Lii=138.086 Bii=68.835
• Observation Date: December 18, 1996
• Duration: 63.3 kiloseconds (with 8 kiloseconds of telemetry gaps)
• Approximate SIS Exposure: 29.1 kiloseconds (approximately 0% with telemetry saturated)
• Approximate GIS Exposure: 34.8 kiloseconds

Processing Information

• Sequence Version: 007
• Processing Version: 7.2.4 (Revision 2)
• FTOOLS Version: 4.1.a
• Processing Date: October 9, 1998
• GIS Secular Gain Calibration Date: July 13, 1998
• GIS Gain Map Calibration Date: March 31, 1998
• SIS CTI Calibration Date: October 3, 1997

US Principal Investigator

Japan Principal Investigator