Strong coronal channelling and interplanetary evolution of a solar storm up to Earth and Mars

Christian Mostl; Tanja Rollett; Rudy A. Frahm; Ying D. Liu; David M. Long; Robin C. Colaninno; Martin A. Reiss; Manuela Temmer; Charles J. Farrugia; Arik Posner; Mateja Dumbovica; Miho Janvier; Pascal Demoulin; Peter Boakes; Andy Devos; Emil Kraaikamp; Mona L. Mays; Bojan Vršnak

doi:10.1038/ncomms8135

Strong coronal channelling and interplanetary evolution of a solar storm up to Earth and Mars

Christian Mostl (Lead / Corresponding author), Tanja Rollett, Rudy A. Frahm, Ying D. Liu, David M. Long, Robin C. Colaninno, Martin A. Reiss, Manuela Temmer, Charles J. Farrugia, Arik Posner, Mateja Dumbovica, Miho Janvier, Pascal Demoulin, Peter Boakes, Andy Devos, Emil Kraaikamp, Mona L. Mays, Bojan Vršnak

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154 Citations (Scopus)

Abstract

The severe geomagnetic effects of solar storms or coronal mass ejections (CMEs) are to a large degree determined by their propagation direction with respect to Earth. There is a lack of understanding of the processes that determine their non-radial propagation. Here we present a synthesis of data from seven different space missions of a fast CME, which originated in an active region near the disk centre and, hence, a significant geomagnetic impact was forecasted. However, the CME is demonstrated to be channelled during eruption into a direction +37±10° (longitude) away from its source region, leading only to minimal geomagnetic effects. In situ observations near Earth and Mars confirm the channelled CME motion, and are consistent with an ellipse shape of the CME-driven shock provided by the new Ellipse Evolution model, presented here. The results enhance our understanding of CME propagation and shape, which can help to improve space weather forecasts.

Original language	English
Article number	7135
Number of pages	10
Journal	Nature Communications
Volume	6
DOIs	https://doi.org/10.1038/ncomms8135
Publication status	Published - 26 May 2015

ASJC Scopus subject areas

General Biochemistry,Genetics and Molecular Biology
General Chemistry
General Physics and Astronomy

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Mostl, C., Rollett, T., Frahm, R. A., Liu, Y. D., Long, D. M., Colaninno, R. C., Reiss, M. A., Temmer, M., Farrugia, C. J., Posner, A., Dumbovica, M., Janvier, M., Demoulin, P., Boakes, P., Devos, A., Kraaikamp, E., Mays, M. L., & Vršnak, B. (2015). Strong coronal channelling and interplanetary evolution of a solar storm up to Earth and Mars. Nature Communications, 6, Article 7135. https://doi.org/10.1038/ncomms8135

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title = "Strong coronal channelling and interplanetary evolution of a solar storm up to Earth and Mars",

abstract = "The severe geomagnetic effects of solar storms or coronal mass ejections (CMEs) are to a large degree determined by their propagation direction with respect to Earth. There is a lack of understanding of the processes that determine their non-radial propagation. Here we present a synthesis of data from seven different space missions of a fast CME, which originated in an active region near the disk centre and, hence, a significant geomagnetic impact was forecasted. However, the CME is demonstrated to be channelled during eruption into a direction +37±10° (longitude) away from its source region, leading only to minimal geomagnetic effects. In situ observations near Earth and Mars confirm the channelled CME motion, and are consistent with an ellipse shape of the CME-driven shock provided by the new Ellipse Evolution model, presented here. The results enhance our understanding of CME propagation and shape, which can help to improve space weather forecasts.",

author = "Christian Mostl and Tanja Rollett and Frahm, {Rudy A.} and Liu, {Ying D.} and Long, {David M.} and Colaninno, {Robin C.} and Reiss, {Martin A.} and Manuela Temmer and Farrugia, {Charles J.} and Arik Posner and Mateja Dumbovica and Miho Janvier and Pascal Demoulin and Peter Boakes and Andy Devos and Emil Kraaikamp and Mays, {Mona L.} and Bojan Vr{\v s}nak",

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Mostl, C, Rollett, T, Frahm, RA, Liu, YD, Long, DM, Colaninno, RC, Reiss, MA, Temmer, M, Farrugia, CJ, Posner, A, Dumbovica, M, Janvier, M, Demoulin, P, Boakes, P, Devos, A, Kraaikamp, E, Mays, ML & Vršnak, B 2015, 'Strong coronal channelling and interplanetary evolution of a solar storm up to Earth and Mars', Nature Communications, vol. 6, 7135. https://doi.org/10.1038/ncomms8135

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AU - Farrugia, Charles J.

AU - Posner, Arik

AU - Dumbovica, Mateja

AU - Janvier, Miho

AU - Demoulin, Pascal

AU - Boakes, Peter

AU - Devos, Andy

AU - Kraaikamp, Emil

AU - Mays, Mona L.

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AB - The severe geomagnetic effects of solar storms or coronal mass ejections (CMEs) are to a large degree determined by their propagation direction with respect to Earth. There is a lack of understanding of the processes that determine their non-radial propagation. Here we present a synthesis of data from seven different space missions of a fast CME, which originated in an active region near the disk centre and, hence, a significant geomagnetic impact was forecasted. However, the CME is demonstrated to be channelled during eruption into a direction +37±10° (longitude) away from its source region, leading only to minimal geomagnetic effects. In situ observations near Earth and Mars confirm the channelled CME motion, and are consistent with an ellipse shape of the CME-driven shock provided by the new Ellipse Evolution model, presented here. The results enhance our understanding of CME propagation and shape, which can help to improve space weather forecasts.

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Strong coronal channelling and interplanetary evolution of a solar storm up to Earth and Mars

Abstract

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