187 citations · 2k across the 34 of their papers we have counts for
31 papers · 1 filter
L1 and off Sun-Earth line visible-light imaging of Earth-directed CMEs: An analysis of inconsistent observations
Richard A. Harrison, Jackie A. Davies, David Barnes +1
The efficacy of coronal mass ejection (CME) observations as a key input to space weather forecasting is explored by comparing on and off Sun-Earth line observations from the ESA/NA…
Quantifying the uncertainty in CME kinematics derived from geometric modelling of Heliospheric Imager data
Luke Barnard, Mathew Owens, Christopher J. Scott +7
Geometric modelling of Coronal Mass Ejections (CMEs) is a widely used tool for assessing their kinematic evolution. Furthermore, techniques based on geometric modelling, such as EL…
Multipoint interplanetary coronal mass ejections observed with Solar Orbiter, BepiColombo, Parker Solar Probe, Wind and STEREO-A
C. Möstl, A. J. Weiss, M. A. Reiss +12
We report the result of the first search for multipoint in situ and imaging observations of interplanetary coronal mass ejections (ICMEs) starting with the first Solar Orbiter (Sol…
Predicting CMEs using ELEvoHI with STEREO-HI beacon data
Maike Bauer, Tanja Amerstorfer, Jürgen Hinterreiter +6
Being able to accurately predict the arrival of coronal mass ejections (CMEs) at Earth has been a long-standing problem in space weather research and operations. In this study, we…
A journey of exploration to the polar regions of a star: probing the solar poles and the heliosphere from high helio-latitude
Louise Harra, Vincenzo Andretta, Thierry Appourchaux +29
A mission to view the solar poles from high helio-latitudes (above 60) will build on the experience of Solar Orbiter as well as a long heritage of successful solar missions…
Why are ELEvoHI CME arrival predictions different if based on STEREO-A or STEREO-B heliospheric imager observations?
Jürgen Hinterreiter, Tanja Amerstorfer, Martin A. Reiss +9
Accurate forecasting of the arrival time and arrival speed of coronal mass ejections (CMEs) is a unsolved problem in space weather research. In this study, a comparison of the pred…
LUCI onboard Lagrange, the Next Generation of EUV Space Weather Monitoring
M. J. West, C. Kintziger, M. Haberreiter +7
LUCI (Lagrange eUv Coronal Imager) is a solar imager in the Extreme UltraViolet (EUV) that is being developed as part of the Lagrange mission, a mission designed to be positioned a…
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
D. Barnes, J. A. Davies, R. A. Harrison +10
We present an analysis of coronal mass ejections (CMEs) observed by the Heliospheric Imagers (HIs) on board NASA's Solar Terrestrial Relations Observatory (STEREO) spacecraft. Betw…
Relating streamer flows to density and magnetic structures at the Parker Solar Probe
Alexis P. Rouillard, Athanasios Kouloumvakos, Angelos Vourlidas +34
The physical mechanisms that produce the slow solar wind are still highly debated. Parker Solar Probe's (PSP's) second solar encounter provided a new opportunity to relate in situ…
In situ measurements of the variable slow solar wind near sector boundaries
E. Sanchez-Diaz, A. Rouillard, B. Lavraud +2
The release of density structures at the tip of the coronal helmet streamers, likely as a consequence of magnetic reconnection, contributes to the mass flux of the slow solar wind.…
CMEs in the Heliosphere: I. A Statistical Analysis of the Observational Properties of CMEs Detected in the Heliosphere from 2007 to 2017 by STEREO/HI-1
R. A. Harrison, J. A. Davies, D. Barnes +10
We present a statistical analysis of coronal mass ejections (CMEs) imaged by the Heliospheric Imager (HI) instruments aboard NASAs twin-spacecraft STEREO mission between April 2007…
Coronal Magnetic Structure of Earthbound CMEs and In situ Comparison
Erika Palmerio, Emilia K. J. Kilpua, Christian Möstl +6
Predicting the magnetic field within an Earth-directed coronal mass ejection (CME) well before its arrival at Earth is one of the most important issues in space weather research. I…
The temporal and spatial scales of density structures released in the slow solar wind during solar activity maximum
Eduardo Sanchez-Diaz, Alexis P. Rouillard, Jackie A. Davies +3
In a recent study, we took advantage of a highly tilted coronal neutral sheet to show that density structures, extending radially over several solar radii (Rs), are released in the…
Modeling observations of solar coronal mass ejections with heliospheric imagers verified with the Heliophysics System Observatory
C. Möstl, A. Isavnin, P. D. Boakes +18
We present an advance towards accurately predicting the arrivals of coronal mass ejections (CMEs) at the terrestrial planets, including Earth. For the first time, we are able to as…
Observational evidence for the associated formation of blobs and raining inflows in the solar Corona
Eduardo Sanchez-Diaz, Alexis P. Rouillard, Jackie A. Davies +6
The origin of the slow solar wind is still a topic of much debate. The continual emergence of small transient structures from helmet streamers is thought to constitute one of the m…
Automated Detection of Coronal Mass Ejections in STEREO Heliospheric Imager data
V. Pant, S. Willems, L. Rodriguez +3
We have performed, for the first time, the successful automated detection of Coronal Mass Ejections (CMEs) in data from the inner heliospheric imager (HI-1) cameras on the STEREO A…
Long-Term Tracking of Corotating Density Structures using Heliospheric Imaging
I. Plotnikov, A. P. Rouillard, J. A. Davies +12
The systematic monitoring of the solar wind in high-cadence and high-resolution heliospheric images taken by the Solar-Terrestrial Relation Observatory (STEREO) spacecraft permits…
ElEvoHI: a novel CME prediction tool for heliospheric imaging combining an elliptical front with drag-based model fitting
Tanja Rollett, Christian Möstl, Alexey Isavnin +4
In this study, we present a new method for forecasting arrival times and speeds of coronal mass ejections (CMEs) at any location in the inner heliosphere. This new approach enables…
On Sun-to-Earth Propagation of Coronal Mass Ejections: 2. Slow Events and Comparison with Others
Ying D. Liu, Huidong Hu, Chi Wang +4
As a follow-up study on Sun-to-Earth propagation of fast coronal mass ejections (CMEs), we examine the Sun-to-Earth characteristics of slow CMEs combining heliospheric imaging and…
Observational Tracking of the 2D Structure of Coronal Mass Ejections Between the Sun and 1 AU
Savani, N. P., Davies +18
The Solar TErrestrial RElations Observatory (STEREO) provides high cadence and high resolution images of the structure and morphology of coronal mass ejections (CMEs) in the inner…
A comparison of reconstruction methods for the estimation of CME kinematics based on SECCHI/HI observations
Wageesh Mishra, Nandita Srivastava, Jackie A. Davies
A study of the kinematics and arrival times of CMEs at Earth, derived from time-elongation maps (J-maps) constructed from STEREO/Heliospheric Imager (HI) observations, provides an…
Combined Multipoint Remote and In Situ Observations of the Asymmetric Evolution of a Fast Solar Coronal Mass Ejection
T. Rollett, C. Moestl, M. Temmer +8
We present an analysis of the fast coronal mass ejection (CME) of 2012 March 7, which was imaged by both STEREO spacecraft and observed in situ by MESSENGER, Venus Express, Wind an…
Connecting speeds, directions and arrival times of 22 coronal mass ejections from the Sun to 1 AU
C. Möstl, K. Amla, J. R. Hall +15
Forecasting the in situ properties of coronal mass ejections (CMEs) from remote images is expected to strongly enhance predictions of space weather, and is of general interest for…
Using Coordinated Observations in Polarised White Light and Faraday Rotation to Probe the Spatial Position and Magnetic Field of an Interplanetary Sheath
Ming Xiong, Jackie A. Davies, Xueshang Feng +4
Coronal mass ejections (CMEs) can be continuously tracked through a large portion of the inner heliosphere by direct imaging in visible and radio wavebands. White-light (WL) signat…