ASCA Sequence 71048000 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: NGC 3998
- Nominal Pointing (degrees)
- R.A.=179.333 Dec.=55.443
- Lii=138.337 Bii=60.037
- Observation Date: May 10, 1994
- Duration: 57.3 kiloseconds
- Approximate SIS Exposure:
24.1 kiloseconds
(approximately 48% with telemetry saturated)
- Approximate GIS Exposure:
42.8 kiloseconds
Processing Information
- Sequence Version: 009
- Processing Version: 7.2.3
(Revision 2)
- FTOOLS Version: 4.0.c
- Processing Date: March 6, 1998
- GIS Secular Gain Calibration Date: November 15, 1997
- GIS Gain Map Calibration Date: March 31, 1997
- SIS CTI Calibration Date: October 3, 1997
US Principal Investigator
DR. GAIL A REICHERT
OGIP
NASA/GSFC/USRA
CODE 668
GREENBELT, MD 20771
USA
REICHERT@ROSGIP.GSFC.NASA.GOV
Japan Principal Investigator
PROF. ANDREW C. FABIAN
INSTITUTE OF ASTRONOMY
CAMBRIDGE UNIVERSITY
MADINGLEY ROAD
CAMBRIDGE, CAMBRIDGESHIRE CB3 0HA
U.K.
ACF@MAIL.AST.CAM.AC.UK