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Calibration Programs

In-flight calibrations All calibration will be carried out for FRD-A and FRD-B (mode 1 and 2). Targets for calibration include:

1.
Crab Nebula - 45 points covering the detector area in a "serpent"-shape with 100 sec observation per point plus 5 minutes for s/c maneuver.
Expected Time Duration: 4 hours
Aim: efficiency calibration
Data Expected: 45-50 Mbyte
2.
Point Source of the order 50 mCrab (type TBD)
45 pointings covering the detector in a "serpent"-shape for 100 sec observation per point plus 5 minutes for s/c maneuver.
Time Duration: 4 hours
Aim: PSF calibration
Data Expected: 10-15 Mbyte
3.
Source of the order 50 mCrab (type LMC, SMC)
Time Duration: 4 hours
Aim: efficiency calibration
Data Expected: 10-15 Mbyte
4.
Source of the order 2 mCrab (type 3C273, 3C390.3, M82)
Time Duration: 4 hours
Aim: efficiency calibration
Data Collected Amount: 1-2 Mbyte
5.
Field without known sources
Time Duration: 4 hours
Aim: efficiency calibration and background determination
Data Collected Amount: 1-2 Mbyte

6.
Out of the focus
Time Duration: 4 hours
Aim: background determination
Data Collected Amount: 1-2 Mbyte
Other Instrument: nearest DSRI Detector (for FRD-A) SXRP (for FRD-B)


next up previous contents
Next: Scientific Objectives and Feasibility Up: Focal Plane X-ray Detectors Previous: Design of the MWPC
Tomas P. Girnius
1999-01-21