CMEs in the Heliosphere: III. A Statistical Analysis of the Kinematic Properties Derived from Stereoscopic Geometrical Modelling Techniques Applied to CMEs Detected in the Heliosphere from 2008 to 2014 by STEREO/HI-1

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dc.contributor University of Helsinki, Department of Physics en
dc.contributor.author Barnes, D.
dc.contributor.author Davies, J. A.
dc.contributor.author Harrison, R. A.
dc.contributor.author Byrne, J. P.
dc.contributor.author Perry, C. H.
dc.contributor.author Bothmer, V.
dc.contributor.author Eastwood, J. P.
dc.contributor.author Gallagher, P. T.
dc.contributor.author Kilpua, E. K. J.
dc.contributor.author Möstl, C.
dc.contributor.author Rodriguez, L.
dc.contributor.author Rouillard, A. P.
dc.contributor.author Odstrčil, D.
dc.date.accessioned 2020-12-04T07:46:03Z
dc.date.available 2020-12-04T07:46:03Z
dc.date.issued 2020-11-04
dc.identifier.citation Barnes , D , Davies , J A , Harrison , R A , Byrne , J P , Perry , C H , Bothmer , V , Eastwood , J P , Gallagher , P T , Kilpua , E K J , Möstl , C , Rodriguez , L , Rouillard , A P & Odstrčil , D 2020 , ' CMEs in the Heliosphere: III. A Statistical Analysis of the Kinematic Properties Derived from Stereoscopic Geometrical Modelling Techniques Applied to CMEs Detected in the Heliosphere from 2008 to 2014 by STEREO/HI-1 ' , Solar Physics , vol. 295 , no. 11 , 150 . https://doi.org/10.1007/s11207-020-01717-w en
dc.identifier.issn 1573-093X
dc.identifier.other PURE: 150452297
dc.identifier.other PURE UUID: 43baaedb-8752-4884-8449-9af209cb1fd8
dc.identifier.other RIS: urn:40742DB11848ABFEB6AB6EB914F1953F
dc.identifier.other RIS: Barnes2020
dc.identifier.other WOS: 000590045000002
dc.identifier.other ORCID: /0000-0002-4489-8073/work/84704618
dc.identifier.uri http://hdl.handle.net/10138/322339
dc.description.abstract We present an analysis of coronal mass ejections (CMEs) observed by the Heliospheric Imagers (HIs) onboard NASA's Solar Terrestrial Relations Observatory (STEREO) spacecraft. Between August 2008 and April 2014 we identify 273 CMEs that are observed simultaneously, by the HIs on both spacecraft. For each CME, we track the observed leading edge, as a function of time, from both vantage points, and apply the Stereoscopic Self-Similar Expansion (SSSE) technique to infer their propagation throughout the inner heliosphere. The technique is unable to accurately locate CMEs when their observed leading edge passes between the spacecraft; however, we are able to successfully apply the technique to 151, most of which occur once the spacecraft-separation angle exceeds 180 degrees, during solar maximum. We find that using a small half-width to fit the CME can result in inferred acceleration to unphysically high velocities and that using a larger half-width can fail to accurately locate the CMEs close to the Sun because the method does not account for CME over-expansion in this region. Observed velocities from SSSE are found to agree well with single-spacecraft (SSEF) analysis techniques applied to the same events. CME propagation directions derived from SSSE and SSEF analysis agree poorly because of known limitations present in the latter. en
dc.format.extent 25
dc.language.iso eng
dc.relation.ispartof Solar Physics
dc.rights en
dc.subject 114 Physical sciences en
dc.subject 115 Astronomy, Space science en
dc.title CMEs in the Heliosphere: III. A Statistical Analysis of the Kinematic Properties Derived from Stereoscopic Geometrical Modelling Techniques Applied to CMEs Detected in the Heliosphere from 2008 to 2014 by STEREO/HI-1 en
dc.type Article
dc.description.version Peer reviewed
dc.identifier.doi https://doi.org/10.1007/s11207-020-01717-w
dc.type.uri info:eu-repo/semantics/other
dc.type.uri info:eu-repo/semantics/publishedVersion
dc.contributor.pbl
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