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X-POL. Solar X- ray Pol arimeter. Rudawy, P., Sylwester, J., Zawistowski, T., Siarkowski, M., Bąkała, J., Podgórski, P., Kowaliński, M. and Gburek, S. Space Research Centre, Polish Academy of Sciences ul. Kopernika 11, Wroclaw , POLAND. Space Research Centre, Polish Academy of Sciences. - PowerPoint PPT Presentation
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X-POLSolar X-ray Polarimeter
Rudawy, P., Sylwester, J., Zawistowski, T., Siarkowski, M., Bąkała, J., Podgórski, P., Kowaliński, M. and Gburek, S.
Space Research Centre, Polish Academy of Sciencesul. Kopernika 11, Wroclaw , POLAND
PURPOSE
Understanding impulsive particle acceleration and plasma heating processes in the solar flares through X-ray polarimetry
•High energy- and time-resolution polarimetric observations •Active regions•Solar flares (non-stationary processes in flares; energy release and energy transport processes in solar flares)•Impulsive acceleration of the non-thermal electrons•Beam diagnostics•Energy deposition in the solar chromosphere •Temperature and differential emission measure studies (plasma diagnostics)•Chemical composition of the coronal plasma;
Space Research Centre, Polish Academy of Sciences
INSTRUMENT
Space Research Centre, Polish Academy of Sciences
Detectors: 4 CCD back-iluminated fully depletedEnergy range: soft X-rays 1.86Å (Fe XXV), 3.20Å (CaXIX), 4.0Å (ArXVII)Energy resolution: 104:1 Sensitivity: >C GOES class eventsOrbit: Sun synchronous preferred, altitude: >500 and <800 km Pointing: 2-axes stabilization, detector axis pointed to +/-2ºLifetime: >3 years
The overall size of the instrument is approx.: 32 cm x 26 cm x 26 cm Mass approx. 4 kg
INSTRUMENT
Space Research Centre, Polish Academy of Sciences
TWO-AXES ADJUSTABLE FRAMEWITH THREE
DETECTOR MODULES
TOP VIEW
UV-FILTERS &
ENTRANCECAPILLARY MESH
PINHOLESOLAR FLARE
LOCATOR
Space Research Centre, Polish Academy of Sciences
TWO-AXES ADJUSTABLE FRAMEWITH THREE
DETECTOR MODULESBENTCRISTAL
CCD
COOLER
ENTRANCECAPILLARY MESH
INSTRUMENT
Space Research Centre, Polish Academy of Sciences
INSTRUMENT
w x+y z
ArXVII He-like triplet
ENTRANCECAPILLARY MESH
TWO-AXES ADJUSTABLE FRAMEWITH THREE DETECTOR MODULES
CCDSOLAR FLARE
LOCATOR
MOTOR 1
MOTOR 2
TWO-AXESSUSPENSION
HEAT-BELT
TWO-AXES ADJUSTABLE
FRAMEWITH THREE DETECTOR MODULES
OUR HERITAGE
• RF15-I X-ray spectrophotometer- Imager(Interball-Tail, 1995-2000) PI
• RESIK Bragg Bent crystal spectrometer 3-6 Å(Coronas-F, 2001-2003) PI in collab. NRL, RAL, IZMIRAN
• Diogeness Bragg scanning spectrometer(Coronas-F, 2001) PI
• Solar Photometer in X-rays (SphinX)(Coronas-Foton, 2009) PI, in collab. U. Palermo, AI CAS
• ChemiX(InterHelioProbe, in prep. 2018) PI, in collab. IZMIRAN
Space Research Centre, Polish Academy of Sciences
TWO BRAGG SPECTROMETERS CONSTRUCTED AT SRCWITH INTERNATIONAL COOPERATION
RESIK - bent crystal spectrometerDiogeness - flat scanning crystal
spectrometer
Space Research Centre, Polish Academy of Sciences
New X-Ray emission lines and continuum emitted by active solar corona successfully measured for
the first time in the wavelength range 3.3 – 6.1 Å.
RESIK RESULTS
Absolute abundance of argon determined for the first time for
the Sun using direct spectroscopic tools. Similar results for S, Cl, K
(series of ApJ papers)
Space Research Centre, Polish Academy of Sciences
SphinXSRC CONCEPT, DESIGN & MANUFACTURE
Measures the X-ray emission of the Sun in the 0.8 – 15 keV band with:– Time resolution ~10 μ s– Sensitivity 100 x better than GOES (the standard for 30+ years)– Energy resolution 3x RHESSI (NASA)
Principal aim: to record quiet-Sun level of emission
Space Research Centre, Polish Academy of Sciences
ChemiXSRC CONCEPT & DESIGN
Space Research Centre, Polish Academy of Sciences
Basic Instrument parametersMass: ~5 -6 kg
Power consumption: ~10 WSize: 30cm x 30cm x 120cm
Telemetry: up to 12 kB/s Specific instrument Characteristics
Wavelength coverage: 1Å –7 Å, Qartz and SiSpectral resolution : better than 0.0005 Å
Detectors: 3 CCD back illuminated & particle PINSensitivity: 1.5 –2 x RESIK, S/N: 10 xRESIK
Collimators: multi-grid, slit, Electronics: FPGA based
X-POLSolar X-ray Polarimeter
Space Research Centre, Polish Academy of Sciencesul. Kopernika 11, Wroclaw , POLAND
http://www.cbk.pan.wroc.pl/