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| Paper: |
Solar Spicules near and at the Limb, Observed from Hinode |
| Volume: |
454, The 3rd Hinode Science Meeting |
| Page: |
87 |
| Authors: |
Sterling, A. C.; Moore, R. L. |
| Abstract: |
Solar spicules appear as narrow jets emanating from the chromosphere and extending into the corona.
They have been observed for over a hundred years, mainly in chromospheric spectral lines such as
H-alpha. Because they are at the limit of visibility of ground-based instruments, their nature
has long been a puzzle. In recent years however, vast progress has been made in understanding them
both theoretically and observationally, as spicule studies have undergone a revolution because of
the superior resolution and time cadence of ground-based and space-based instruments. Even more
rapid progress is currently underway, due to the Solar Optical Telescope (SOT) instrument on the
Hinode spacecraft. Here we give a synopsis of our recent findings from a movie of sharpened
images from the Hinode SOT Ca II filtergraph of spicules at and near the limb in a
polar coronal hole. |
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