Nature of Small-Scale Jets On the Solar Chromosphere Revealed with Hinode

Details Nature of Small-Scale Jets On the Solar Chromosphere Revealed with Hinode Nature of Small-Scale Jets On the Solar Chromosphere Revealed with Hinode

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsh41b1623s&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #SH41B-1623

Astronomy and Astrophysics

Astrophysics

7500 Solar Physics, Astrophysics, And Astronomy, 7507 Chromosphere, 7526 Magnetic Reconnection (2723, 7835)

Scientific paper

The Solar Optical Telescope aboard Hinode has revealed the nature of small-scale jets of the solar chromosphere. Jet-like structures are ubiquitous there not only in the quiet Sun but also in active region and even in sunspot penumbra. They are likely to play an important role in maintaining the energy balance of the local atomsphere and the mass balance of the corona. High time and spatial resolution observations for the first time have revealed that the small-scale jets consist of highly dynamic multi-threads of as thin as a few tenths of arcsecond and shows prominent lateral movement or oscillation with rotation on its axis during its life. The fine structure and lateral motion indicate that the small-scale can be ejected by magnetic reconnection at footpoints. Since the most small-scale jets emanate from seemingly uni-polar magnetic region and the relevant magnetic reconnection should take place in unresolved spatial scale contrary to the larger-scale jets in which bipole magnetic structures are found at their footpoints. We discuss multi-scale structures of the chromospheric jets.

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