ASCA Sequence 50002000 Header Page
This page gives a basic description of this sequence
and references to more detailed information.
The following information is also available:
Observation Information
- Object: SN 1987A
- Nominal Pointing (degrees)
- R.A.=84.067 Dec.=-69.179
- Lii=279.588 Bii=-31.877
- Observation Date: August 20, 1993
- Duration: 97.6 kiloseconds
- Approximate SIS Exposure:
35.5 kiloseconds
(approximately 10% with telemetry saturated)
- Approximate GIS Exposure:
38.6 kiloseconds
Processing Information
- Sequence Version: 007
- Processing Version: 7.2.3
(Revision 2)
- FTOOLS Version: 4.0.c
- Processing Date: April 6, 1998
- GIS Secular Gain Calibration Date: January 14, 1998
- GIS Gain Map Calibration Date: September 30, 1997
- SIS CTI Calibration Date: October 3, 1997
US Principal Investigator
NONE
Japan Principal Investigator
PROFESSOR DAVID JOHN HELFAND
ASTRONOMY
COLUMBIA UNIVERSITY
538 WEST 120TH STREET
NEW YORK, NY 10027
USA
DJH@CARMEN.PHYS.COLUMBIA.EDU