Changes between Version 21 and Version 22 of TBR/UserApp/Space/Proba_2

Timestamp:

11/29/11 23:29:00 (12 years ago)

Author:

Iliyankatsarski

Comment:

TBR/UserApp/Space/Proba_2

@@ -105 +105 @@
 Observation Mode to avoid star-sensor blinding by the Earth
 
- Finally, the ACNS functions support automatic “image paving” for the Sun-Imaging instrument (SWAP)
- in order to increase its actual field of view. PROBA 2, as PROBA 1, has been fitted with a highaccuracy
- double head star tracker, with GPS receiversand with a set of reaction wheels for the nominal ACNS 
+Finally, the ACNS functions support automatic “image paving” for the Sun-Imaging instrument (SWAP)
+in order to increase its actual field of view. PROBA 2, as PROBA 1, has been fitted with a highaccuracy
+double head star tracker, with GPS receiversand with a set of reaction wheels for the nominal ACNS 
 operation. This set of sensors and actuators is complemented with the magnetotorquers and 3-axis
 magnetometers. As explained above, PROBA 2 carries as well an additional star tracker, an additional GPS, an
@@ -178 +178 @@
 The PROBA 2 operational modes for the ACNS are as follows:
  *   The Bdot mode (safe mode): uses the Earth’s magnetic field to reduce angular rates after separation and also
- as a safe mode during the mission. It ensures that the solar arrays on the deployed panels remain roughly pointed towards the Sun.
+as a safe mode during the mission. It ensures that the solar arrays on the deployed panels remain roughly pointed towards the Sun.
  *   The magnetic mode (experimental): uses only the magnetic field to point the desired payload toward a desired target.
  *   The inertial mode controls the spacecraft attitude with respect to the inertial frame.
@@ -299 +299 @@
 
 
- Processing (SWAP)
+Processing (SWAP)
 SWAP is an extreme ultraviolet (EUV) telescope that will provide images of the solar corona at a temperature
 of roughly 1 million degrees. The instrument is entirely  developed and tested in Belgium under the supervision