ionospheric satellite cluster scientific premises and proposed configuration
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1 ionospheric satellite cluster scientific premises and proposed configuration O. Fedorov, Institute of Space Research, Kyiv, Ukraine V. Korepanov, Lviv Centre of Institute of Space Research, Lviv, Ukraine G. Lizunov, Institute of Space Research, Kyiv, Ukraine Yu. Yampolsky, Institute of Radio Astronomy, Kharkiv, Ukraine Contact: / Phone: )
2 1. Kosmos Interkosmos Firework 4. Zarnitsa SAMBO 6. ARAKS 7. Kosmos Zarnitsa Spolokh Spolokh Prognoz Mars Venus Halley Satellite Satellite Rocket-12 Rocket -12 Balloons Rocket Satellite Rocket-12 Rocket-12 Rocket-12 Satellite Satellite Interplanetary stations Vega-1, Electric field measurements Electric field measurements Injection of electron beam Artificial aurora Electric field measurements Injection of electron beam Electric field measurements Injection of electron beam Injection of barium cloudes Injection of barium cloudes Waves in magnetosphere Electric field and plasma waves measurements Plasma waves analysis
3 Interball Satellites 1995 Waves in the magnetosphere Variant Satellite Sich-1M 2004 Fields and currents in the inonosphere Kompas-2 Microsatellite 2005 Ionospheric earthquake precursors Environment ISS 2008 Space weather, plasma flow around super large body Potential Remote sensing satellite Sich Neutral atmosphere and ionosphere parameters registration Radioastron Satellite 2009 Radio astronomy, plasma physics Chibis Microsatellite 2009 Lightning activity Phobos-Grunt Interplanetary station 2009 Phobos study, space plasma physics Ionosat 3 microsatellites 2012 Ionosphere, space weather, seismoionospheric coupling Resonance 4 satellite 2012 Mazer effects in magnetosphere
4 GMES oriented ionospheric multi-satellites mission National Space Agency of Ukraine proposal for First European Space Program
5 IONOSAT project main tasks Scientific and methodological substantiation of the efficiency of the LEO satellites use for SW monitoring, corresponding technological realization development and tests. Systematic study of the dynamic response of the ionosphere to the influences from above (solar and geomagnetic activity) and from below (meteorological, seismic and technologic processes), seismo-ionospheric coupling. Synchronous operation with the existing sub-satellite electromagnetic and meteorological polygons. Calibration of modern prognostic models of quiet and disturbed ionosphere.
6 Possible mechanisms of energy transfer from lithosphere to ionosphere Fair weather currentsaffecting ionized ionosphere component Atmospheric gravity waves (AGW) affecting neutral ionosphere component
7 AGW preference
8 !" # $%%& & ' ( $) *%+'%%%& '%%%&
9 !"#$%&,(,(! (-.!.! /.$%%.$%%& &/.01%.01%& &/.1!*.1!* (!- / ),(!%%%!%%%&
10 '(),(,(! #+%,(,(!/ - ϕ*
11 '() '(, '(*.!.!.1!*.1!* 2 -.$%%.$%%& &/.01%.01%& ),(+,(!-!%%%!%%%&,(+,('- '%%% '%%%& "3 +!%!% "3 + % "3 + % %
12 - 456)6678! Concentration (cm -3 )
13 EXPECTED PARAMETERS OF ELECTROMAGNETIC AND PLASMA DISTURBANCES AT HEIGHTS ~ 400 KM Maximal disturbances of neutral particles concentration and temperature Maximal disturbances of ion and electron concentration and temperature Level of non-isothermicity Electric field: Quasi-stationary fields, ionic sound, MHD structures Whistlers, wide-band electrostatic noise Magnetic field: MHD structures Whistlers: Quasi-stationary structures: Whistlers: Particles Fields T e / T i = 1-4 Electric current n n ~ 10 7 cm -3 δn n ~ 10 5 cm -3, δt n ~ 10 3 n i ~ 10 5 cm -3 δn i ~ 10 4 cm -3, δt e ~ δt i ~ δt n ~10 3 K mv/m, DC-40 khz µv/hz 1/2 m, khz 0,1-100 nt, DC-100 Hz nt,100 Hz-40 khz 1 10 µa/m 2, DC-100 Hz mv/m, 100 Hz-40 khz
14 Ideal composition of electromagnetic satellite Sensors Parameters Processes Tasks Neutral gas concentration Neutral gas temperature (pressure) Plasma concentration and temperature Supra-thermal electrons and ions DC magnetic and electric fields (< 10 Hz) AC magnetic field. (1 Hz -100 k Hz ) AC electric field (1 Hz-200 khz) Radio frequency analyzer (100 khz-15 Hz) GPS Gas kinetic: N, T, N e, T e, T i Distribution function and precipitating particles flux DC electric and magnetic fields, field aligned currents E, B, J ULF-VLF waveforms δe, δb and total spectrum of plasma waves I(ω) TE Regular course of atmospheric ionospheric parameters Magnetic hydrodynamics of upper atmosphere EMF and geomagnetic activity Ionospheric emissions and propagation of radiowaves Calibration of models: of upper atmosphere, ionosphere, EMF Atmosphereionosphere inhomogeneities: GW, coherency, turbulence Space Weather Terragenic effects EQ precursors Plasma waves: generation, structure, turbulence
15 Special requirements Requirements to the satellite orientation error ~ 10 Requirements to the precision of satellite orientation determination : ~ Requirements to the precision of satellite position determination : ~ 20 m Very high requirements to the measurement synchronization at all three satellites Wide range of sampling frequencies: from 100 Hz ( ( λ min = 160 m) in monitoring mode to 100 khz in burst mode
16 Minimized payload model structure SENSOR MEASURED VALUE SPESIFICATIONS DESIGNERS WAVE PROBES Electric current density J: Frequency range 0,1Hz 40 khz Noise \cm 2 Hz 1\2 Magnetic field : Frequency range 0,1 Hz - 40 Hz Noise \ Hz 1\2 Electric potential ϕ: Frequency range 0,1 Hz 40 khz Noise 10-6 V\ Hz 1\2 Power consumption: < 0.25W. Weight: 0, 225 kg. LC ISR, Lviv ELECTRIC PROBES FLUXGATE MAGNETOMETER RADIO FREQUENCY ANALYZER RFA KINETIC PLASMA PARAMETERS SENSOR DN-DE ENERGETIC PARTICLES SENSOR STEP-E DATA COLLECTION AND Electric potential: Frequency range DC khz Noise 10-6 V/Hz 1/2 Magnetic field vector B Frequency range DC - 1 Hz Frequency spectrum of electric field component in the range of 0,1 10 MHz Neutral component pressure (P n ): Range of measurements Pa Concentration of neutral particles (N n ): Range of measurements m -3 Concentration of charged particles (N i, N e ): Range of measurements m -3 Ion and electron temperature (T i,t e ): Range of measurements 0.1 V 1.5 kv Temperature of heavy particles (T z ): Range of measurements Velocity of heavy particles (V z ): Range of measurements of mass velocity cm/s Flow density and energetic spectrum of superheat particles Under development Power consumption: 0.2 W. Weight: <0.2 kg. Distance between probes less than 2 m Power consumption: < 0.4 W. Weight: sensor <0.2 kg, electronics <0.5 kg. Under development Dimensions (without cable): DN: mm DE: mm Power consumption - < 2 W Under development LC ISR, Lviv LC ISR, Lviv CKB PAN, DNIPROPETR OVSK KHARKIV UNIVERSITY LC ISR, Lviv
17 IONOSATS on2-8 platform Sensors layout RFA EP WP GPS FGM STEP energetic particles sensor DN-DE neutral particles sensor EP electric probe FGM flux-gate magnetometer WP wave probe telemetric antenna RFA radio frequency analyzer GPS for TEC monitoring DN-DE STEP WP WP
18 !+ Devices 3 wave probes WP Electric probe EP Flux-gate magnetometer FGM Radio frequency analyzer RFA Sensor of kinetic parameters DN-DE DE Energetic particles sensor STEP-E DCPU Booms Total: Weight 0.7 kg < 0.2 kg < 0.7 kg 3 kg 1.07 kg 2 kg 2 kg ~ 12 kg ~ 22 kg Power cons. < 0.5 W < 0.2 W < 0.6 W 3 W < 2 W 6 W 4 W - ~ 16 W
19 ELECTRIC PROBE MAIN TECHNICAL PARAMETERS Frequency band, Hz Noise level of output amplifier at 2 khz, µv/hz 1/2 1,0 Dynamic range, db 120 Temperature range, C ±80 Power consumption, W < 0.15 Dimensions, mm Weight, g 160
20 Kinetic plasma parameters sensor DN - DE TECHNICAL SPECIFICATIONS Neutral components pressure measured range Pa Neutral particles concentration measured range cm -3 Heavy particles temperature measured range Charged particles concentration measured range (ions and electrons) cm Measured ions and electrons temperature range 0,1 1,5V Heavy particles s mass velocity range cm Dimensions (without cables) DN Ø mm DE Ø mm cm -3 cm s-1
21 THREE-COMPONENT FLUX-GATE MONOBLOCK MAGNETOMETER LEMI-012 TECHNICAL SPECIFICATIONS Measurement range, nt ±60000 Resolution, nt < 0.1 Transfer error, % of reading < 0.1 Transfer drift over temperature, % of reading / C < Operation temperature range, Power consumption, W < 0.6 Overall dimensions, mm Weight, kg 0.7
22 WAVE PROBE LEMI-603
23 ./%00 J y B x R ϕ R J y B x
24 TECHNICAL SPECIFICATIONS Frequency range for all channels 0, Dynamic range, db 120 Noise level of measuring channels at 1 khz - electric current density channel, /cm -2 Hz -1/ magnetic induction channel, pthz -1/2 0,02 - electric potential channel, Hz -1/ Current density transformation factor, V/mA/cm 2 77 Magnetic induction transformation factor, mv/nt 100 Temperature range, C ± 50 Power consumption, W < 0.25 Dimensions, mm sensor Ø preamplifier Weight, kg sensor 0,225 preamplifier 0,125
25 DATA COLLECTION AND PROCESSING UNIT MAIN PARAMETERS: SciWay interface with data transmission rate up to 50 b/s, 3 ports, Up to 32 requesters at each port, 4 GB memory, consumed power 4 W, weight < 2kg
26 .-1-1# Decision-making, sending of invitations, feasibility study. (Stage ) Development and manufacturing of the devices, autonomous tests. (Stage B) Assembling, fullscale test and launch. (Stage C) /2//3/ Georgy Lizunov: " "-5 ""
27 THANK YOU FOR ATTENTION!
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