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Science with Hinode First internal Hinode Meeting, MSSL, Sep 7 th , 2009 Santiago Vargas Domínguez
I.  Small magnetic elements from the photosphere to the low chromosphere ,[object Object],[object Object],[object Object],[object Object],Diffraction limit and high cadence observations are important since these structures are tiny and highly dynamic. Understanding the formation and structure is fundamental to figure out the role of these magnetic elements on solar irradiance.
Quiet Sun
Active region
Small magnetic elements from the photosphere to the low chromosphere
Small magnetic elements from the photosphere to the low chromosphere These MBP represent a significant area, are highly dynamic  and evolve through fragmentation, merging and cancellation. Gband Magnetogram
MBP properties
Small magnetic elements from the photosphere to the low chromosphere Mag CN Gband
Small magnetic elements from the photosphere  to the low chromosphere Mag Gband CN CaIIH Photospheric vortex-type event evidenced by magnetic field rotation. Small whirlpools in the Sun, with a size similar to the terrestial hurricanes (~<0.5Mm) (Bonet et al. 2007) 1000 km ~ 4000 km
Small magnetic elements from the photosphere  to the low chromosphere mag Gband CN CaIIH Understand how small-scale events can affect the upper layers. ~ 4000 km - Reconnection with pre-existing magnetic fields. - Twisting of emerging flux as affected by convective motions
II. Solar active regions and their interaction with the surrounding granulation Magnetic field inhibits convection Transition from pores into sunspots ? Formation and decay of sunspots: Modalities of interaction between high ionized plasma and magnetic fields. Not a consensus for sub-photospheric flows  responsible for the formation of solar pores.
Solar active regions and their interaction with the surrounding granulation
Solar active regions and their interaction with the surrounding granulation
Solar active regions and their interaction with the surrounding granulation Bipolar Moving Magnetic Features streaming out from the “naked spot”
Solar active regions and their interaction with the surrounding granulation CaIIH reveals filamentary structure all around the spot. Naked spot ?? LCT measures inward radial horizontal velocity components all around the spot.
Magnetic extrapolations Full-atmosphere inversions: LILIA To obtain physical quantities (mag. field strength/inclination v LOS, microturbulence, temperature, .....) To relate evolution of photospheric magnetic structures  with phenomena in upper layers (i.e. reconnection) Local Correlation Tracking Applied to EIS data.

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Science with Hinode

  • 1. Science with Hinode First internal Hinode Meeting, MSSL, Sep 7 th , 2009 Santiago Vargas Domínguez
  • 2.
  • 5. Small magnetic elements from the photosphere to the low chromosphere
  • 6. Small magnetic elements from the photosphere to the low chromosphere These MBP represent a significant area, are highly dynamic and evolve through fragmentation, merging and cancellation. Gband Magnetogram
  • 8. Small magnetic elements from the photosphere to the low chromosphere Mag CN Gband
  • 9. Small magnetic elements from the photosphere to the low chromosphere Mag Gband CN CaIIH Photospheric vortex-type event evidenced by magnetic field rotation. Small whirlpools in the Sun, with a size similar to the terrestial hurricanes (~<0.5Mm) (Bonet et al. 2007) 1000 km ~ 4000 km
  • 10. Small magnetic elements from the photosphere to the low chromosphere mag Gband CN CaIIH Understand how small-scale events can affect the upper layers. ~ 4000 km - Reconnection with pre-existing magnetic fields. - Twisting of emerging flux as affected by convective motions
  • 11. II. Solar active regions and their interaction with the surrounding granulation Magnetic field inhibits convection Transition from pores into sunspots ? Formation and decay of sunspots: Modalities of interaction between high ionized plasma and magnetic fields. Not a consensus for sub-photospheric flows responsible for the formation of solar pores.
  • 12. Solar active regions and their interaction with the surrounding granulation
  • 13. Solar active regions and their interaction with the surrounding granulation
  • 14. Solar active regions and their interaction with the surrounding granulation Bipolar Moving Magnetic Features streaming out from the “naked spot”
  • 15. Solar active regions and their interaction with the surrounding granulation CaIIH reveals filamentary structure all around the spot. Naked spot ?? LCT measures inward radial horizontal velocity components all around the spot.
  • 16. Magnetic extrapolations Full-atmosphere inversions: LILIA To obtain physical quantities (mag. field strength/inclination v LOS, microturbulence, temperature, .....) To relate evolution of photospheric magnetic structures with phenomena in upper layers (i.e. reconnection) Local Correlation Tracking Applied to EIS data.