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Magnetic Field Measurements from Solar-B

Magnetic Field Measurements from Solar-B. Information shown here is from Solar-B team (including Drs Ichimoto, Kosugi, Shibata, Tarbell, and Tsuneta). ISAS / NASA / PPARC / ESA. Science - Coronal heating - Coronal structure / dynamics - Elementary processes in Magnetic Reconnection.

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Magnetic Field Measurements from Solar-B

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  1. Magnetic Field Measurements from Solar-B Information shown here is from Solar-B team (including Drs Ichimoto, Kosugi, Shibata, Tarbell, and Tsuneta)

  2. ISAS / NASA / PPARC / ESA Science - Coronal heating - Coronal structure / dynamics - Elementary processes in Magnetic Reconnection SOLAR-B Launch Date: Summer 2006 with ISAS M-V-7 Orbit: Sun synchronous altitude ~ 600 km Weight:~ 900 kg • Mission instruments • - Optical Telescope / Vector Magnetograph (SOT) • - X-ray Telescope (XRT) • - EUV Imaging Spectrometer (EIS)

  3. Key Elements with Solar-B • Instruments • Solar Optical Telescope (SOT) • Largest optical telescope ever to observe the Sun from space • Diffraction-limited (0.2 – 0.3 arcsec) imaging in 388 – 668 nm • Vector magnetic field measurement at the photosphere • X-Ray Telescope (XRT) • Highest angular resolution imaging at > 3 MK corona • Wide temperature coverage from below 1 MK to above 10 MK • EUV Imaging Spectrometer (EIS) • Precise plasma diagnostics in the 17 – 21 nm & 25 – 29 nm ranges • Continuous observation without interruption for 8 months a year • Coordinated observation among the three telescopes

  4. Solar-B Fields of View N EIS (360”x512”) E W SOT:BFI (205”x102”) SOT:NFI/SP (328”x164”) XRT (2048”x2048”) S SOHO/EIT FeXII 195A

  5. Sensitivity of NFI on polarization and detection limit of the weak magnetic field SOT is now a well calibrated polarization instrument!  See poster by Ichimoto etal.

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