Magnetic properties of CHAMP and their effects on in-orbit calibration
CHAMP has so far been the most successful magnetic field mission. For achieving that, special effort had to be invested in building a magnetically clean spacecraft. The magnetic moment of the spacecraft is about 1 Am<sup>2</sup>. In this article we introduce a new method that allows the...
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Copernicus Publications
2013-03-01
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| Series: | Journal of Sensors and Sensor Systems |
| Online Access: | http://www.j-sens-sens-syst.net//2/9/2013/jsss-2-9-2013.pdf |
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doaj-7f61858176fc4919a93a24b5f89a25892020-11-25T00:59:39ZengCopernicus PublicationsJournal of Sensors and Sensor Systems2194-87712194-878X2013-03-012191710.5194/jsss-2-9-2013Magnetic properties of CHAMP and their effects on in-orbit calibrationH. LührF. YinR. BockCHAMP has so far been the most successful magnetic field mission. For achieving that, special effort had to be invested in building a magnetically clean spacecraft. The magnetic moment of the spacecraft is about 1 Am<sup>2</sup>. In this article we introduce a new method that allows the determination of the magnetic moment during the mission from the average current strength of the magneto-torquers. In order to achieve precise field vector data, the readings of the fluxgate magnetometer are routinely calibrated against the absolute Overhauser measurements. A reanalysis of all the magnetic field data is performed which takes also into account small disturbances from the power system. Uncertainties of the final magnetic field data are estimated to be of the order of 0.1 nT.http://www.j-sens-sens-syst.net//2/9/2013/jsss-2-9-2013.pdf |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
H. Lühr F. Yin R. Bock |
| spellingShingle |
H. Lühr F. Yin R. Bock Magnetic properties of CHAMP and their effects on in-orbit calibration Journal of Sensors and Sensor Systems |
| author_facet |
H. Lühr F. Yin R. Bock |
| author_sort |
H. Lühr |
| title |
Magnetic properties of CHAMP and their effects on in-orbit calibration |
| title_short |
Magnetic properties of CHAMP and their effects on in-orbit calibration |
| title_full |
Magnetic properties of CHAMP and their effects on in-orbit calibration |
| title_fullStr |
Magnetic properties of CHAMP and their effects on in-orbit calibration |
| title_full_unstemmed |
Magnetic properties of CHAMP and their effects on in-orbit calibration |
| title_sort |
magnetic properties of champ and their effects on in-orbit calibration |
| publisher |
Copernicus Publications |
| series |
Journal of Sensors and Sensor Systems |
| issn |
2194-8771 2194-878X |
| publishDate |
2013-03-01 |
| description |
CHAMP has so far been the most successful magnetic field mission. For achieving that, special effort had to be invested in building a magnetically clean spacecraft. The magnetic moment of the spacecraft is about 1 Am<sup>2</sup>. In this article we introduce a new method that allows the determination of the magnetic moment during the mission from the average current strength of the magneto-torquers. In order to achieve precise field vector data, the readings of the fluxgate magnetometer are routinely calibrated against the absolute Overhauser measurements. A reanalysis of all the magnetic field data is performed which takes also into account small disturbances from the power system. Uncertainties of the final magnetic field data are estimated to be of the order of 0.1 nT. |
| url |
http://www.j-sens-sens-syst.net//2/9/2013/jsss-2-9-2013.pdf |
| work_keys_str_mv |
AT hluhr magneticpropertiesofchampandtheireffectsoninorbitcalibration AT fyin magneticpropertiesofchampandtheireffectsoninorbitcalibration AT rbock magneticpropertiesofchampandtheireffectsoninorbitcalibration |
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1725216989791649792 |