SAX: The satellite System



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+---------------------------------------------------------------------------+
|                                  Payload                                  |
+---------------------------------------------------------------------------+
|         Science Instrument          |                 Task                |
+---------------------------------------------------------------------------+
| Low Energy Concentrator             | X-ray spectrometry/imaging in the   |
| Spectrometer (LECS)                 | 0.1-10 keV energy range             |
+---------------------------------------------------------------------------+
| Medium Energy Concentrator          | X-ray spectrometry/imaging in the   |
| Spectrometer (MECS)                 | 1-10 keV energy range               |
+---------------------------------------------------------------------------+
| High Pressure Gas Scintillation     | X-ray spectrometry in the 3-120 keV |
| Proportional Counter (HP-GSPC)      | energy range                        |
+---------------------------------------------------------------------------+
| Phoswich Detector System (PDS)      | X-ray spectrometry in the 15-300    |
|                                     | keV energy range and Gamma-ray      |
|                                     | burst monitoring in the 60-600 keV  |
|                                     | energy range                        |
+---------------------------------------------------------------------------+
| Wide Field Cameras (WFCs)           | X-ray spectrometry/imaging in the   |
|                                     | 2-30 keV energy range               |
+---------------------------------------------------------------------------+



+---------------------------------------------------------------------------+
|                                 Spacecraft                                |
+---------------------------------------------------------------------------+
|             Subsystem               |                Task                 |
+---------------------------------------------------------------------------+
| Structure (STS)                     | Holding all spacecraft subsystems   |
|                                     | and science instruments             |
+---------------------------------------------------------------------------+
| Thermal Control (TCS)               | Ensuring temperature ranges and     |
|                                     | gradients during all mission phases |
+---------------------------------------------------------------------------+
| Harness (HRNS)                      | Electrical interconnection          |
+---------------------------------------------------------------------------+
| On Board Data Handling (OBDH)       | On board data storage and           |
|                                     | communication management            |
+---------------------------------------------------------------------------+
| Telemetry Tracking & Commands (TT&C)| Commanding and telemetry data       |
|                                     | transmission through RF link        |
+---------------------------------------------------------------------------+
| Attitude and Orbit Control (AOCS)   | Satellite attitude determination    |
|                                     | and pointing to the selected sources|
+---------------------------------------------------------------------------+
| Reaction Control (RCS)              | Thrusting capability for orbit      |
|                                     | recovery                            |
+---------------------------------------------------------------------------+
| Electrical Power (EPS)              | Energy storage, voltage regulation, |
|                                     | power switching and distribution    |
+---------------------------------------------------------------------------+
| Solar Array (SAS)                   | Power supply during sunlight phase  |
+---------------------------------------------------------------------------+
| Electrical Ground Support           | H/W and S/W to support integration  |
| Equipment (EGSE)                    | and testing of the satellite        |
+---------------------------------------------------------------------------+


This file was last modified on Wednesday, 02-Sep-1998 17:28:55 CEST by Mauro Orlandini


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