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PDS_VERSION_ID = PDS3
RECORD_TYPE = STREAM
INSTRUMENT_HOST_NAME = "ROSETTA-ORBITER"
OBJECT = TEXT
PUBLICATION_DATE = 2015-04-29
INTERCHANGE_FORMAT = ASCII
NOTE = "
ASCII description of contents of this RPC-MAG Archive"
END_OBJECT = TEXT
END
************ File AAREADME.TXT ******************
Acronyms:
==========
ADC: Analog-Digital-Converter
AQP: Acquisition Period
ASIC: Application Specific Integrated Circuit
B-FIELD: Magnetic Field
CG: 67P/Churyumov-Gerasimenko
CO-I: Co-Investigator
CuL: Kupferlackdraht, Enamelled copper wire
DDS: Data Distribution System
DPU: Digital Processing Unit
DS-1: NASA's Deepspace 1 Mission
EAICD: Experimenter to Archive Interface Control Document
EID-B: Experiment Interface Document , Part B
EMC: Electromagnetic Compatibility
ESA: European Space Agency
ESTEC: European Space Research and Technology Centre
FGM: Fluxgate-Magnetometer
FM: Flight Model
FMECA: Failure Mode Effects and Criticality Analysis
FPGA: Field programmable Gate Array
FCP: Flight Control Procedure
FS: Flight Spare Model
HK: Housekeeping data (Supply voltages, Ref. voltages,
Temperatures)
H/W: Hardware
IABG: Industrieanlagenbetriebsgesellschaft
IB: Inboard Sensor
ID: Identifier
I/F: Interface
IGEP: Institut fuer Geophysik und extraterrestrische Physik,
TU-Braunschweig
IWF: Institut fuer Weltraumforschung,Graz
LCL: Latching Current Limiter
LEXAN: Polycarbonate resin thermoplastic
MACOR: Machinable glas ceramic
MAG: Magnetometer
MIP: RPC Mutual Impedance Probe
NASA: National Aeronautics and Space Administration
OB: Outboard Sensor
OPAMP: Operational Amplifier
PCB: Printed Circuit Board
PDS: Planetary Data System
PERMALLOY: Nickel Iron magnetic alloy
PI: Principal Investigator
PIU: RPC Power Interface Unit
PSA: Planetary Science Archive
PT1000: Platinum Thermistor with 1000 Ohm nominal resistance
RAW: Data in units of ADC counts in instrument coordinates
ROKSY: ROSETTA Knowledge Management System
ROMAP: ROSETTA Lander Magnetometer
RPC: ROSETTA Plasma Consortium
RPCMAG: ROSETTA Orbiter Magnetometer
RPC-MAG: ROSETTA Orbiter Magnetometer
RPC-0: RPC Main Electronics Box
SADM: Solar Array Drive Mechanism
S/C: Spacecraft
SID: Science Mode Identifier
S/W: Software
SEU: Single Event Upset
SEL: Single Event Latch-up
TC: Telecommand
TM: Telemetry
TM: Technical Manager
TS: Time Series
UV: Ultraviolet
us: microsecond
Wrt.: with respect to
Overview:
=========
This data set contains instrument raw data obtained by the Fluxgate
Magnetometer (RPC-MAG) onboard the ROSETTA spacecraft from the
PRELANDING Phase,for the time interval March 23, 2014 until
November 21, 2014. Included in this dataset are the measurements of
-the Post Hybernation Commissioning: 23.-27.March 2014
-the Near Comet Drift Phase: 17.March - 1.July 2014
-the Far Approach Trajectory: 2.July - 1.August 2014
-the Comet Characterization Phase: 2.August - 2.September 2014
-the Global Mapping, Close Observation Phase: 3.September - 24.October 2014
-the SDL (Separation and Landing) and FSS: 12.-13.November 2014
The magnetometer consists of two sensors, the OB and the IB sensor,
mounted on a spacecraft boom. The instrument provides 3 component
magnetic field vector data measured by both sensors. In this data
set ground calibrated, averaged data can be found.
Magnetic field data are given in nanotesla.
REMARK:
Due to strong magnetic disturbance by the ORBITER and by the LANDER
Philae, the magnetic field data are influenced by s/c generated
magnetic fields. The source of these disturbance is manifold:
- transient currents flowing on the spacecraft
- Heater pulses
- Thruster related magnetic field
- Reaction wheel signatures
- etc.
Due to the complexity of these circumstances a proper data
cleaning is an ongoing task. Thus the data of the present dataset
still contain the mentioned disturbance signatures.
Therefore, any use of the data for scientific research has to be
done under consideration of these disturbances.
PRELANDING RPC-MAG Data Archive
=========================
a) S/C DATA
===========
CODMAC Level/Type Data Type Data Content
2 / EDITED RAW Data table RAW TS of OB,IB,HK data
The data can be found in the
./DATA/EDITED/2014/MAR
./DATA/EDITED/2014/APR
./DATA/EDITED/2014/MAY
./DATA/EDITED/2014/JUN
./DATA/EDITED/2014/JUL
./DATA/EDITED/2014/AUG
./DATA/EDITED/2014/SEP
./DATA/EDITED/2014/OCT
./DATA/EDITED/2014/NOV
directory. This directory has three subdirectories for HK,IB, and OB data.
b) Supporting files
======================
Supporting files for the Archive user include PDS descriptions,
documents, and searchable indices. These have been organized into
three directories one level below the root: CATALOG, DOCUMENT,INDEX.
Structure of the volume
========================
AAREADME.TXT (PDS required introduction to the data set)
VOLDESC.CAT (PDS required volume description of the data only)
./CATALOG/CATINFO.TXT (list of catalog files)
*.CAT (Mission, spacecraft, instrument, data, references)
./DOCUMENT/DOCINFO.TXT (list of documents)
*.DOC (WORD documents)
*.ASC (ASCII documents)
*.PDF (PDF documents)
*.TEX (LaTeX documents)
./INDEX/INDXINFO.TXT (Description of the contents of the index
directory)
INDEX.LBL (PDS LABEL file for INDEX.TAB)
INDEX.TAB (Index of the data set in tabular format)
./DATA/EDITED/*.TAB (MAG data, 3 components presented as ASCII tables)
*.LBL (PDS LABELS of the MAG data files)
The ROSETTA project decided that the data would be archived in the
PDS format. Consequently, the layout of this volume and the labels
for each file conform the PDS/PSA guidelines.
Contact:
========
Data generated by:
Dr. Ingo Richter
Technical University Braunschweig
Institute for Geophysics and Extraterrestrial Physics
Mendelssohnstr. 3
38106 Braunschweig
Germany
i.richter@tu-bs.de
RPC-MAG PI:
Prof. Dr. Karl-Heinz Glassmeier
Technical University Braunschweig
Institute for Geophysics and Extraterrestrial Physics
Mendelssohnstr. 3
38106 Braunschweig
Germany
kh.glassmeier@tu-bs.de