Astrid 2 - Electrical and Magnetic field Monitoring of the Aurora (EMMA)


PI of the experiment or contact person L. Blomberg
Institute of the PI or of the contact person (country) KTH        (SWE)
E-mail of the PI or of the contact person blomberg@plasma.kth.se
Type of experiment 4 electric field probes mounted on the wire booms (3.3 m) in the spin plane
and a tri-axial flux-gate magnetometer sensor mounted on
the axial boom facing away from the Sun
References about the experiment Astrid-2 : A Low-Budget Microsatellite Mission for Auroral Research (E6.1)
Link(s) to Web site(s) http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1998-072B
http://www.ssc.se/ssd/msat/astrid2.html
http://www.plasma.kth.se/~blomberg/astrid2.pdf
http://www.plasma.kth.se/alp/space/astrid2/astrid2.html
Start experiment operation (dd-mm-yyyy) 10-12-1998
End experiment operation (dd-mm-yyyy) 24-07-1999
Lifetime of the experiment (month) 9
Highest data rate 128 kbps
Preliminary results (R6.1)
Measured data (k, w, Bo, E(t), B(t), polarisation, Vphase, ...) High resolution E-field and B-field measurements
Data range DC - 400 Hz
E : ± 5 V.m-1
B : ± 65536 nT
Sensitivity E : 0.2 mV.m-1
B : 0.125 nT
Time resolution ?????
Sampling rate 16, 256 or 2048 samples/s
Data formats and supports Tapes, Online
Location of the data Alfven Laboratory
References about the data *****
High-resolution data (support, place, contact) Lars Blomberg     KTH        (SWE)        blomberg@plasma.kth.se