Moving Magnetic Features Around a Pore

A. J. Kaithakkal; T. L. Riethmüller; S. K. Solanki; A. Lagg; P. Barthol; A. Gandorfer; L. Gizon; J. Hirzberger; M. Vannoort; J. Blanco Rodríguez; J. C.Del Toro Iniesta; D. Orozco Suárez; W. Schmidt; V. Martínez Pillet; M. Knölker

doi:10.3847/1538-4365/229/1/13

Moving Magnetic Features Around a Pore

A. J. Kaithakkal, T. L. Riethmüller, S. K. Solanki, A. Lagg, P. Barthol, A. Gandorfer, L. Gizon, J. Hirzberger, M. Vannoort, J. Blanco Rodríguez, J. C.Del Toro Iniesta, D. Orozco Suárez, W. Schmidt, V. Martínez Pillet, M. Knölker

Center for Space Science

Research output: Contribution to journal › Article › peer-review

Abstract

Spectropolarimetric observations from Sunrise/IMaX, obtained in 2013 June, are used for a statistical analysis to determine the physical properties of moving magnetic features (MMFs) observed near a pore. MMFs of the same and opposite polarity, with respect to the pore, are found to stream from its border at an average speed of 1.3 km s^-1 and 1.2 km s^-1, respectively, with mainly same-polarity MMFs found further away from the pore. MMFs of both polarities are found to harbor rather weak, inclined magnetic fields. Opposite-polarity MMFs are blueshifted, whereas same-polarity MMFs do not show any preference for up- or downflows. Most of the MMFs are found to be of sub-arcsecond size and carry a mean flux of ∼1.2 × 10¹⁷ Mx.

Original language	English (US)
Article number	13
Journal	Astrophysical Journal, Supplement Series
Volume	229
Issue number	1
DOIs	https://doi.org/10.3847/1538-4365/229/1/13
State	Published - Mar 2017

Keywords

Sun: magnetic fields
Sun: photosphere

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.3847/1538-4365/229/1/13

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Kaithakkal, A. J., Riethmüller, T. L., Solanki, S. K., Lagg, A., Barthol, P., Gandorfer, A., Gizon, L., Hirzberger, J., Vannoort, M., Rodríguez, J. B., Iniesta, J. C. D. T., Suárez, D. O., Schmidt, W., Pillet, V. M., & Knölker, M. (2017). Moving Magnetic Features Around a Pore. Astrophysical Journal, Supplement Series, 229(1), Article 13. https://doi.org/10.3847/1538-4365/229/1/13

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abstract = "Spectropolarimetric observations from Sunrise/IMaX, obtained in 2013 June, are used for a statistical analysis to determine the physical properties of moving magnetic features (MMFs) observed near a pore. MMFs of the same and opposite polarity, with respect to the pore, are found to stream from its border at an average speed of 1.3 km s-1 and 1.2 km s-1, respectively, with mainly same-polarity MMFs found further away from the pore. MMFs of both polarities are found to harbor rather weak, inclined magnetic fields. Opposite-polarity MMFs are blueshifted, whereas same-polarity MMFs do not show any preference for up- or downflows. Most of the MMFs are found to be of sub-arcsecond size and carry a mean flux of ∼1.2 × 1017 Mx.",

keywords = "Sun: magnetic fields, Sun: photosphere",

author = "Kaithakkal, {A. J.} and Riethm{\"u}ller, {T. L.} and Solanki, {S. K.} and A. Lagg and P. Barthol and A. Gandorfer and L. Gizon and J. Hirzberger and M. Vannoort and Rodr{\'i}guez, {J. Blanco} and Iniesta, {J. C.Del Toro} and Su{\'a}rez, {D. Orozco} and W. Schmidt and Pillet, {V. Mart{\'i}nez} and M. Kn{\"o}lker",

year = "2017",

month = mar,

doi = "10.3847/1538-4365/229/1/13",

language = "English (US)",

volume = "229",

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T1 - Moving Magnetic Features Around a Pore

AU - Kaithakkal, A. J.

AU - Riethmüller, T. L.

AU - Solanki, S. K.

AU - Lagg, A.

AU - Barthol, P.

AU - Gandorfer, A.

AU - Gizon, L.

AU - Hirzberger, J.

AU - Vannoort, M.

AU - Rodríguez, J. Blanco

AU - Iniesta, J. C.Del Toro

AU - Suárez, D. Orozco

AU - Schmidt, W.

AU - Pillet, V. Martínez

AU - Knölker, M.

PY - 2017/3

Y1 - 2017/3

N2 - Spectropolarimetric observations from Sunrise/IMaX, obtained in 2013 June, are used for a statistical analysis to determine the physical properties of moving magnetic features (MMFs) observed near a pore. MMFs of the same and opposite polarity, with respect to the pore, are found to stream from its border at an average speed of 1.3 km s-1 and 1.2 km s-1, respectively, with mainly same-polarity MMFs found further away from the pore. MMFs of both polarities are found to harbor rather weak, inclined magnetic fields. Opposite-polarity MMFs are blueshifted, whereas same-polarity MMFs do not show any preference for up- or downflows. Most of the MMFs are found to be of sub-arcsecond size and carry a mean flux of ∼1.2 × 1017 Mx.

AB - Spectropolarimetric observations from Sunrise/IMaX, obtained in 2013 June, are used for a statistical analysis to determine the physical properties of moving magnetic features (MMFs) observed near a pore. MMFs of the same and opposite polarity, with respect to the pore, are found to stream from its border at an average speed of 1.3 km s-1 and 1.2 km s-1, respectively, with mainly same-polarity MMFs found further away from the pore. MMFs of both polarities are found to harbor rather weak, inclined magnetic fields. Opposite-polarity MMFs are blueshifted, whereas same-polarity MMFs do not show any preference for up- or downflows. Most of the MMFs are found to be of sub-arcsecond size and carry a mean flux of ∼1.2 × 1017 Mx.

KW - Sun: magnetic fields

KW - Sun: photosphere

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JO - Astrophysical Journal, Supplement Series

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Moving Magnetic Features Around a Pore

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Keywords

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