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1 BRAZILIAN SOLAR SPECTROSCOPE RECENT OBSERVATIONS WITH THE BRAZILIAN SOLAR SPECTROSCOPE BSS Francisco C. R. Fernandes FMI / DAS / INPE BRAZIL HESSI Data.

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Presentation on theme: "1 BRAZILIAN SOLAR SPECTROSCOPE RECENT OBSERVATIONS WITH THE BRAZILIAN SOLAR SPECTROSCOPE BSS Francisco C. R. Fernandes FMI / DAS / INPE BRAZIL HESSI Data."— Presentation transcript:

1 1 BRAZILIAN SOLAR SPECTROSCOPE RECENT OBSERVATIONS WITH THE BRAZILIAN SOLAR SPECTROSCOPE BSS Francisco C. R. Fernandes FMI / DAS / INPE BRAZIL HESSI Data Analysis Workshop February-March/2001

2 2 BRAZILIAN SOLAR SPECTROSCOPE BLOCK DIAGRAM OF BSS

3 3 BRAZILIAN SOLAR SPECTROSCOPE BSS SPECIFICATIONS Antenna9-m diameter polar mount Feedercross log-periodic Frequency Band200-2500 MHz Time Resolution10 20 50 100 1000 ms Frequency Resolution3 MHz Absolute timming accuracy3 ms Sensibility~3 s.f.u. Number of channels25 50 100 Observation time11:30 – 19:00 UT Visualizationquasi-real time Flexibility to choose parameters

4 4 BRAZILIAN SOLAR SPECTROSCOPE BSSView SOFTWARES FOR DATA VISUALIZATION AND ANALYSIS

5 5 BRAZILIAN SOLAR SPECTROSCOPE BSSData

6 6 BRAZILIAN SOLAR SPECTROSCOPE RECENT OBSERVATIONS TOTAL OF ABOUT 1500 HOURS OF OBSERVATIONS > 100 SOLAR FLARES OBSERVED HIGHLIGTHS: PATCH-LIKE EMISSIONS WITH DIFUSE TAILS DECIMETRIC HARMONIC ZEBRA EMISSIONS RAPID FREQUENCY OSCILATIONS DOTS WITH INTENSITY X FREQUENCY VARIATION FINE STRUCTURES (CHROMOSPHERIC EVAPORATION)

7 7 BRAZILIAN SOLAR SPECTROSCOPE FLARE 06/06/00

8 8 BRAZILIAN SOLAR SPECTROSCOPE PRE-FLARE FINE STRUCTURES PATCHES WITH DIFUSE TAIL

9 9 BRAZILIAN SOLAR SPECTROSCOPE RAPID FREQUENCY OSCILATIONS

10 10 BRAZILIAN SOLAR SPECTROSCOPE SPIKES AND DOTS

11 11 BRAZILIAN SOLAR SPECTROSCOPE

12 12 BRAZILIAN SOLAR SPECTROSCOPE TYPE III BURSTS

13 13 BRAZILIAN SOLAR SPECTROSCOPE 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:

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