personnel total: 82 employees , including: in sofia- 45, in stara zagora town – 37
DESCRIPTION
Space Radiation Activities in the Solar-Terrestrial Influences Laboratory at the Bulgarian Academy of Sciences (STIL-BAS) D. Mishev, Ts. Dachev, J. Semkova [email protected] (STIL-BAS), Sofia, Bulgaria http://www.stil.acad.bg. Personnel Total: 82 employees , - PowerPoint PPT PresentationTRANSCRIPT
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Space Radiation Activities in the Solar-Space Radiation Activities in the Solar-Terrestrial Influences Laboratory at the Terrestrial Influences Laboratory at the
Bulgarian Academy of Sciences Bulgarian Academy of Sciences (STIL-BAS) (STIL-BAS)
D. Mishev, Ts. Dachev, D. Mishev, Ts. Dachev, J. [email protected]
(STIL-BAS), Sofia, Bulgaria (STIL-BAS), Sofia, Bulgariahttp://www.http://www.stilstil.acad..acad.bgbg
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Personnel Total: 82 employees,
including: in Sofia- 45, in Stara Zagora town – 37.
• 12 senior research scientists;
• 37 research fellows;
• 13 university graduated;
• 15 have Ph.D. degree;
• 5 have D.Sc. degree;
• 2 are academicians of the Bulgarian Academy of Sciences;
• 3 persons are full members of the International Academy of Astronautics-Paris;
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Mission
(STIL-BAS) provides fundamental and applied research in the field of solar-terrestrial physics, in-situ and remote investigation of the geospace, planets and interplanetary space, optical atmosphere emissions and space biology.
Coordinate researches in Bulgaria in the field of solar-terrestrial physics and remote sensing of the geosphere and planets.
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Scientific Council
Chairman: Prof. Dimitar Mishev
Solar-Terrestrial Physics
Head: Dr. Ts. Dachev
Remote Sensing and in situ techniques for examination of the
geosphere and planets
Head: Prof. D. Mishev
Atmospheric optical
investigationsHead: Dr. N. Petkov
Structure
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Scientific experiments on satellites and rockets "Intercosmos" - 2, 8, 12, 14, 18, 24.
"Intercosmos Bulgaria 1300" -1st and 2nd satellite.
The rockets "Vertical"-3, 4, 6, 7, 10.
Space Stations “Saliut “ and “Mir” - during the flights of the 1st (1979) and 2nd (1988) Bulgarian cosmonauts.
Etc.
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Space projects with our participation Bulgaria 1300 (1st and 2nd satellites)
VEGA – Three-channel spectrometer TCS
Phobos (1 and 2) – Video spectrometric system FREGAT
Interball (1st and 2nd satellites):
1)The Low Energy Plasma Composition Experiment (AMEI-2)
2) Magnetic field Experiment (IMAP –3)
3) UV-spectrometer UVSIPS
APEX - Magnetic field Experiment (IMAP –4)
Coronas - Magnetic field Experiment (IMAP –5)
SOHO – Participation in design of STOF analyzer of CELLAS system
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Scientific program for the flight of the second Bulgarian cosmonaut :1) Multi channel spectrometric system SPECTRUM 256
2) Dosimetry System Liulin
Mars-96/98:
1) Dosimetry RADIUS-MD2 package,
2) ELISMA for plasma wave measurements
E094 on the US Laboratory module of ISS.
Space Projects with our participation (cont.)
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Conferences organised • Modern problems of solar-terrestrial influences (national conference, annually held),
• Physics and Agriculture (co-organizer, annually held)
• COSPAR Colloquium "Plasma Processes In The Near-earth Space: Interball And Beyond" SOFIA, Bulgaria, 5-10 February, 2002
Supported by:European Commission, Research DG, High-Level Scientific Conferences;United Nations, Office for Outer Space Affairs.
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Training activities
Scientists from STIL-BAS take part in training of:
• University students;
•Ph. D. students;
• Foreighn specialists at request of UN, FAO, etc.
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Space Radiation Activities in Space Radiation Activities in STIL-BASSTIL-BAS
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Conferences organised • Modern problems of solar-terrestrial influences (national conference, annually held),
• Physics and Agriculture (co-organizer, annually held)
• COSPAR Colloquium "Plasma Processes In The Near-earth Space: Interball And Beyond" SOFIA, Bulgaria, 5-10 February, 2002
Supported by:European Commission, Research DG, High-Level Scientific Conferences;United Nations, Office for Outer Space Affairs.
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Main featuresMain features
•Development and calibration of active dosemeters for cosmic radiation measurements.
• Radiation investigations in manned and unmanned space missions.
•Data processing and analyses.
•Study the dynamic nature of the Earth radiation environment, including slow variations over long time periods, as well as rapid changes, induced by solar proton events or disturbed geomagnetic conditions.
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International Coperation in Space Radiation Detectors Development, and
Monitoring of Earth Radiation Environment
IBMP, NPO -Energia (Russia)
CNES, IRSN, CESR, STEEL (France)
DLR
IASB (Belgium)
NIRS (Japan)
LBNL (USA)
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Some Previous Research Activities
1988-1994- Radiometry - Dosimetry System Liulin
onboard the Mir Space Station. (Collaboration with IMBP-Russia). 1992-2000- Investigation on dynamics of the
radiation environment at low Earth orbit. (Collaboration with IASB- Belgium and IMBP-Russia).
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Results Obtained by Liulin Instrument Onboard Mir Space Station
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Some Previous Research Activities (cont.)
•1991-1996- RADIUS-MD2 package and Dose-M for space dosimetry investigations on international Mars-96/98 missions.
(Collaboration with CNES, IRSN, CESR and STEEL-France, and IMBP-Russia)
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The RADIUS-MD2 system
RADIUS-MD2 package was composed of one tissue-equivqalent proportional counter (TEPC -France), two solid state detectors (SSDT-Bulgaria) and one electronic unit (France).
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Some Previous Research Activities (cont.)
1998-2001-Dosimetric mapping experiment - E094 for space radiation investigation on the US Laboratory module of ISS.
Performed on ISS in March-August, 2001.
(Collaboration with DLR).
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Instruments and experiments on ISS
Liulin-MKS
Liulin-E094
Liulin-5
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Liulin-E094 instrument
SPECIFICATIONS OF MDU--Dose range: 0.093 nGy – 1.56 mGy; .-- Flux range: 0.01 -- 1250 part/ cm 2 s;-- Energy loss range: -- 0.0407 0.0407 – – 20.83 MeV; -- Size (including battery 70x38x20 mm battery-- Total mass (includingbattery pack): 0.23 kg. –--Power consumption: typically 72 mW;--Operation time 5 days
MDUCIU
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American astronaut James Voss working with Dosimetric mapping experiment on 26.06.2001
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Example of Liulin – E094 observations
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Second electron belt formationSecond electron belt formation
Second (electron) beltSecond (electron) belt
??
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R3D-B instrument for ESA Biopan facilityза on Foton-1M satellite launched unsuccessfully on
15.10.2002
4 channels UVspectrometer
256 channels absorbed dose spectrometer
Weight: 129 gSize: 82x57x25 mmConsumption: 84 mW
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Current Research Activities in the Field
•Liulin-MKS mobile dosimetry system
for investigation of radiation dose and flux dynamics on the Russian segment of ISS. The instrument is included in the service systems of the segment and will work about 15 years.
Launch - 2003.
(Collaboration with IMBP-Russia and NPO-Energia).
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Two of the Liulin-MKS dosimeters and CIU
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Aircraft flight data taken by 5 Liulin-MKS dosimeters
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Current Research Activities in the Field (cont.)
•Liulin-5 dosimetric telescope for investigation of radiation dose and flux dynamics in a human phantom onboard the Russian Segment of the ISS - MATROSHKA-R experiment.
Launch - 2004.
(Collaboration with IMBP-Russia).
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Electronic block
Display
Keyboard
Stand
TM 28 V
Cylindrical opening
Detector module
D3
D2
D1
Spherical phantom
Block - diagram of Liulin - 5 connections in the space experiment Matroska - R
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Electronic block Detector module
Weight 0.57 kg, P = 330 mW.
Liulin-5 dosimetric telescopeParameters measured by each of the detectors:
•Absorbed dose rate in the range 0.04 x10-6
Gy/h - 0.6 Gy/h;
• Intensity of the particle flux in the range 0 - 103 particle/(cm2
.sec);
• Energy loss spectra in the range 0.09 - 200 MeV;
• LET spectra in the range 0.3 - 660 keV/micrometer;
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Current Research Activities in the Field (cont.)
•Instrument R3D for space dosimetry investigation on SEBA facility on Express Pallet on ISS.
Launch- 2004.
(Collaboration with Friedrich-Alexander-Universität, Institut für Botanik und Pharmazeutische Biologi, Germany).
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Radiation Risks Radiometer-Dosimeter R3D