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IWF/ÖAW
Main task Development, calibration and operation of spaceborne magnetometers
Main research topics
1. Building and test of space magnetometers Integration and test of BepiColombo magnetometers ASIC based fluxgate magnetometer for NASA’s MMS mission
2. Development of new space magnetometers New absolute scalar (optical) magnetometer Miniaturized sensor system for space weather monitoring
Refereed publications (since Jan 2013) Total: 1
Educational activities (since Jan 2013) Teaching at Graz University of Technology and University of Applied
Sciences Wiener Neustadt PhD thesis: 1 (A. Pollinger)
Space Magnetometers
1
IWF/ÖAW
Lead: Werner Magnes
Members
Staff: Ö. Aydogar, G. Berghofer, C. Hagen, I. Jernej, S. Leitner, A. Pollinger, A. Valavanoglou
PhD Student: D. Fischer
Cooperation within IWF
Preparation of data processing for MMS & BepiColombo; proposal writing for future missions (Nakamura et al.)
Exchange of know-how with all instrument developers
Key external collaboration – international / national
Germany: TU Braunschweig; USA: Univ. California Los Angeles; UK: Imperial College London; Japan: Institute of Space and Astronautical Science; China: Center for Space Science and Applied Research / Graz University of Technology
Who are we?
2
IWF/ÖAW
Mission Goal Launch Main Activities Period
Rosetta ROMAP RPC-MAG
Comet Churyumov-Gerasimenko
2004 Data processing unit,sensor electronics,calibration, EGSE
OPERATIONVenus Express
VEXMAGVenus 2005 Instrument lead,
micro processor,calibration, EGSE,operation
MMS DFG
Earth’s magnetosphere 2015 Sensor electronics, calibration, timing
DESIGN /
DEVELOPMEN
T
BepiColombo MERMAG-M MERMAG-P
Mercury2016
Instrument lead,micro processor,calibration
CSES CDSM
In orbit demonstration of new scalar magnetometer
2016Instrument lead,signal processing,calibration
JUICE JMAG
Jupiter and Ganymede 2022Development of scalar magnetometer, calibration
Missions
3
IWF/ÖAW
Complete active readout electronicsfor a fluxgate sensor on 4x5 mm2 of silicon with 350 nm structures (manufactured by AMS near Graz)
Miniaturization
Improved radiation hardness
Power reduction
Competitive performance
ASIC is used for magnetometer aboard MMS (DFG)
DFG sensors supplied by UCLA
Flight Model 4 delivered
Flight Spare ready for delivery
4
MMS - Digital Fluxgate Magnetometer
Dig
ital
Par
t
Reference Generation
X-ChannelModulator
Y-ChannelModulator
Z-ChannelModulator
AdditionalModulator
Clo
ck G
ener
atio
n &
Err
or
Can
cell
atio
n
DFG electronics integrated in Central Electronics
IWF/ÖAW
MERMAG-P jointly developed with TU Braunschweig and Imperial College London
Flight Model delivered in 2013, Spare Model under assembly
MagLab activities:
Technical Management
Design and development of Instrument Controller Unit
Integration and test of MERMAG-P
Challenging development of Instrument Controller Unit due to column grid array package of processor chip
5
BepiColombo - MERMAG
Flight Model of MERMAG-P
Flight Model of Instrument Controller Unit
IWF/ÖAW
Measurement of field magnitude with high absolute accuracy by radiatinga multi-chromatic laser field through a glass cell filled with Rb atoms
Development of a Qualification Model under an ESA contract
Development of an Engineering Model for the CSES mission
New Scalar Magnetometer
6
2014 – Qualification Model
(a) Mixed signal electronics with microwave and control subunits,
(b) Laser unit, (c) Sensor unit, (d) Inbound and outbound fibers,(e) Thermal control cable
Calibration measurements in Magnetsrode (TUBS)
IWF/ÖAW
Space Weather monitoring through magnetic field measurements aboard amagnetically disturbed spacecraft
Two boom mounted fluxgate sensors and two S/C sensors, which can be accommodated at selected positions inside the spacecraft for separating and removing of S/C interference fields
Development of Engineering and Qualification Model jointly with Magson/Berlin, TU-BS, and Imperial College
MagLab activities:
Development of miniaturized S/C sensor system
- Range: ±65,000 nT
- Noise: <100pT/√Hz
- Abs. Accuracy: ±50 nT
Multi sensor processing and data cleaning methods
Service Oriented S/C Magnetometer
7
Miniaturized 3D magnetic field sensor based on Anisotropic Magneto-Resistance sensing elements
IWF/ÖAW
BepiColombo Completion and delivery of Spare Model Support of system level testing and near Earth commissioning
Magnetospheric Multiscale Preparation/planning of data processing together Nakamura et al. Near Earth commissioning and in-flight calibration
Scalar Magnetometer Qualification and Flight Model for Chinese CSES mission Breadboard Model for JUICE
SOSMAG (planned activity) Development of a Flight Model for a hosted payload mission by ESA
Interhelios (planned activity) Instrument design and development of test electronics for Russian Sun
observer mission
Future Plans: 2015-2018
8
IWF/ÖAW
Thank you
9