Download - BRAZILIAN SOLAR SPECTROSCOPE
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BRAZILIANSOLARSPECTROSCOPE
RECENT OBSERVATIONS WITH THEBRAZILIAN
SOLAR SPECTROSCOPE
BSSFrancisco C. R. Fernandes
FMI / DAS / INPEBRAZIL
HESSI Data Analysis WorkshopFebruary-March/2001
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BRAZILIANSOLARSPECTROSCOPE
BLOCK DIAGRAM OF BSS
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BRAZILIANSOLARSPECTROSCOPE
BSS SPECIFICATIONSAntenna 9-m diameter polar mountFeeder cross log-periodicFrequency Band 200-2500 MHzTime Resolution 10 20 50 100 1000 msFrequency Resolution 3 MHzAbsolute timming accuracy 3 msSensibility ~3 s.f.u.Number of channels 25 50 100Observation time 11:30 – 19:00 UTVisualization quasi-real timeFlexibility to choose parameters
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BRAZILIANSOLARSPECTROSCOPE
BSSView
SOFTWARES FOR DATAVISUALIZATION AND ANALYSIS
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BRAZILIANSOLARSPECTROSCOPE
BSSData
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BRAZILIANSOLARSPECTROSCOPE
RECENT OBSERVATIONS• TOTAL OF ABOUT 1500 HOURS OF OBSERVATIONS• > 100 SOLAR FLARES OBSERVED
HIGHLIGTHS:PATCH-LIKE EMISSIONS WITH DIFUSE TAILSDECIMETRIC HARMONIC ZEBRA EMISSIONSRAPID FREQUENCY OSCILATIONSDOTS WITH INTENSITY X FREQUENCY VARIATIONFINE STRUCTURES (CHROMOSPHERIC EVAPORATION)
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BRAZILIANSOLARSPECTROSCOPE
FLARE 06/06/00
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BRAZILIANSOLARSPECTROSCOPE
PRE-FLARE FINE STRUCTURES
PATCHES WITH DIFUSE TAIL
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BRAZILIANSOLARSPECTROSCOPE
RAPID FREQUENCY OSCILATIONS
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BRAZILIANSOLARSPECTROSCOPE
SPIKES AND DOTS
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BRAZILIANSOLARSPECTROSCOPE
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BRAZILIANSOLARSPECTROSCOPE
TYPE III BURSTS
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BRAZILIANSOLARSPECTROSCOPE
POTENCIAL DO BSS
• solar bustsassociated with impulsive phase of the flares and determination of:
exiceted and emitting agents acceleration region parameters of chromospheric evaporation
• temporal fragmentation in the energy release
• emission mechanism for FEs
• multi-spectral investigations
High resolution, high sensitivity and wide band will permit to investigate: