The solar eruption of 2005 May 13 and its effects: Long-baseline interplanetary scintillation observations of the earth-directed coronal mass ejection

Physics

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https://doi.org/10.1086/591520
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Keywords

solar-terrestrial relations, MERLIN, AU, scattering, HELIOSPHERIC DISTURBANCES, solar wind, Sun : coronal mass ejections (CMEs), TRANSIENT, TOMOGRAPHY, EISCAT

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The solar eruption of 2005 May 13 and its effects: Long-baseline interplanetary scintillation observations of the earth-directed coronal mass ejection. / Breen, A. R.; Fallows, R. A.; Bisi, M. M. et al.
In: Astrophysical Journal Letters, Vol. 683, No. 1, 10.08.2008, p. L79-L82.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{f919be00c6524d058d1c8b8748f8b674,

title = "The solar eruption of 2005 May 13 and its effects: Long-baseline interplanetary scintillation observations of the earth-directed coronal mass ejection",

abstract = "Long-baseline observations of interplanetary scintillation (IPS) provide a unique source of information on solar wind speed and meridional direction across the inner regions of the solar system. We report the results of a series of coordinated IPS observations of an Earth-directed CME. A significant development in the interpretation of these data is the use of 3D tomographic reconstructions of solar wind structure derived from STELab IPS data to better constrain the analysis of extremely long baseline observations from EISCAT and MERLIN. The combination of these two approaches leads to a significantly better understanding of the interaction of the CME with the background solar wind than would be possible with either technique alone, revealing a significant rotation in the meridional flow direction of the background wind associated with the passage of the CME. The CME itself is decelerated significantly between its emergence through the corona and its arrival in the IPS ray path, with comparatively little change in speed from then until arrival at ACE.",

keywords = "solar-terrestrial relations, MERLIN, AU, scattering, HELIOSPHERIC DISTURBANCES, solar wind, Sun : coronal mass ejections (CMEs), TRANSIENT, TOMOGRAPHY, EISCAT",

author = "Breen, {A. R.} and Fallows, {R. A.} and Bisi, {M. M.} and Jones, {R. A.} and Jackson, {B. V.} and M. Kojima and Dorrian, {G. D.} and Middleton, {H. R.} and P. Thomasson and G. Wannberg",

year = "2008",

month = aug,

day = "10",

doi = "10.1086/591520",

language = "English",

volume = "683",

pages = "L79--L82",

journal = "Astrophysical Journal Letters",

issn = "2041-8213",

publisher = "IOP Publishing Ltd",

number = "1",

}

RIS

TY - JOUR

T1 - The solar eruption of 2005 May 13 and its effects: Long-baseline interplanetary scintillation observations of the earth-directed coronal mass ejection

AU - Breen, A. R.

AU - Fallows, R. A.

AU - Bisi, M. M.

AU - Jones, R. A.

AU - Jackson, B. V.

AU - Kojima, M.

AU - Dorrian, G. D.

AU - Middleton, H. R.

AU - Thomasson, P.

AU - Wannberg, G.

PY - 2008/8/10

Y1 - 2008/8/10

N2 - Long-baseline observations of interplanetary scintillation (IPS) provide a unique source of information on solar wind speed and meridional direction across the inner regions of the solar system. We report the results of a series of coordinated IPS observations of an Earth-directed CME. A significant development in the interpretation of these data is the use of 3D tomographic reconstructions of solar wind structure derived from STELab IPS data to better constrain the analysis of extremely long baseline observations from EISCAT and MERLIN. The combination of these two approaches leads to a significantly better understanding of the interaction of the CME with the background solar wind than would be possible with either technique alone, revealing a significant rotation in the meridional flow direction of the background wind associated with the passage of the CME. The CME itself is decelerated significantly between its emergence through the corona and its arrival in the IPS ray path, with comparatively little change in speed from then until arrival at ACE.

AB - Long-baseline observations of interplanetary scintillation (IPS) provide a unique source of information on solar wind speed and meridional direction across the inner regions of the solar system. We report the results of a series of coordinated IPS observations of an Earth-directed CME. A significant development in the interpretation of these data is the use of 3D tomographic reconstructions of solar wind structure derived from STELab IPS data to better constrain the analysis of extremely long baseline observations from EISCAT and MERLIN. The combination of these two approaches leads to a significantly better understanding of the interaction of the CME with the background solar wind than would be possible with either technique alone, revealing a significant rotation in the meridional flow direction of the background wind associated with the passage of the CME. The CME itself is decelerated significantly between its emergence through the corona and its arrival in the IPS ray path, with comparatively little change in speed from then until arrival at ACE.

KW - solar-terrestrial relations

KW - MERLIN

KW - AU

KW - scattering

KW - HELIOSPHERIC DISTURBANCES

KW - solar wind

KW - Sun : coronal mass ejections (CMEs)

KW - TRANSIENT

KW - TOMOGRAPHY

KW - EISCAT

U2 - 10.1086/591520

DO - 10.1086/591520

M3 - Journal article

VL - 683

SP - L79-L82

JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

SN - 2041-8213

IS - 1

ER -

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