Properties of 16 Sunspots Observed with Hinode Solar Optical Telescope

Details Properties of 16 Sunspots Observed with Hinode Solar Optical Telescope Properties of 16 Sunspots Observed with Hinode Solar Optical Telescope

2010-04-20

arxiv.org/abs/1004.3489v1

Astronomical Society of the Pacifics Conferrence Series, Hinode Science 3 Meeting, 2009

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages and 3 figures

Scientific paper

We studied 16 sunspots with different sizes and shapes using the observations with the Hinode Solar Optical Telescope. The ratio of G-band and CaII H images reveal rich structures both within the umbra and penumbra of most spots. The striking features are the compact blob at the foot point of the umbra side of the penumbral fibrils with disk center-limb side asymmetry. In this paper, we present properties of these features using the spectropolarimetry and images in G-band, CaII and blue filters. We discuss the results using the contemporary models of the sunspots.

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