Explanipedia

Index to A&G volume 53 Open

B. Schmidt, Bernard Mills, Venus Blundell, Steve Rawlings, J. E. Hesser , et al. · 2012

Brisbourne A How to store and share geophysical data 4.19 Crawford I Dispelling the myth of robotic efficiency 2.22

The Dynamic Spectrum of Interplanetary Scintillation: First Solar Wind Observations on LOFAR Open

R. A. Fallows, A. Asgekar, M. M. Bisi, A. R. Breen, S. ter-Veen · 2012

Forward modelling to determine the observational signatures of white-light imaging and interplanetary scintillation for the propagation of an interplanetary shock in the ecliptic plane Open

Ming Xiong, A. R. Breen, M. M. Bisi, M. J. Owens, R. A. Fallows , et al. · 2010

Preface Open

M. M. Bisi, A. R. Breen, L. van Driel‐Gesztelyi, C. H. Mandrini · 2010

From the Sun to the Earth: The 13 May 2005 Coronal Mass Ejection Open

M. M. Bisi, A. R. Breen, B. V. Jackson, R. A. Fallows, A. P. Walsh , et al. · 2010

We report the results of a multi-instrument, multi-technique, coordinated study of the solar eruptive event of 13 May 2005. We discuss the resultant Earth-directed (halo) coronal mass ejection (CME), and the effects on the terrestrial spac…

Three-Dimensional (3-D) Reconstructions of EISCAT IPS Velocity Data in the Declining Phase of Solar Cycle 23 Open

M. M. Bisi, B. V. Jackson, A. R. Breen, Gareth Dorrian, R. A. Fallows , et al. · 2010

The European Incoherent SCATter (EISCAT) radar has been used for remote-sensing observations of interplanetary scintillation (IPS) for a quarter of a century. During the April/May 2007 observing campaign, a large number of observations of …

Interplanetary Scintillation Observations of Stream Interaction Regions in the Solar Wind Open

M. M. Bisi, R. A. Fallows, A. R. Breen, IC O'Neill · 2009

We present a summary of results from ten years of interplanetary scintillation (IPS) observations of stream interaction regions (SIRs) in the solar wind. Previous studies had shown that SIRs were characterized by intermediate-velocity sola…

Handbook of the Solar‐Terrestrial Environment Open

A. R. Breen · 2009

As those of us lucky enough to be involved in the field know, solar system physics (alternately known as solar‐terrestrial physics or solar‐planetary physics—call it what you will) is a highly active, exciting, and rapidly changing area of…

Simultaneous interplanetary scintillation and Heliospheric Imager observations of a coronal mass ejection Open

Gareth Dorrian, A. R. Breen, D. S. Brown, J. A. Davies, R. A. Fallows , et al. · 2008

We describe simultaneous Interplanetary Scintillation (IPS) and STEREO Heliospheric Imager (HI) observations of a coronal mass ejection (CME) on 16 May 2007. Strong CME signatures were present throughout the IPS observation. The IPS raypat…

Developments in the use of EISCAT for interplanetary scintillation Open

R. A. Fallows, A. R. Breen, Gareth Dorrian · 2008

The antennas of EISCAT have been used for interplanetary scintillation (IPS) studies of the solar wind for many years. The main science found from these studies is obtained through the cross-correlation of signals from antennas having the …

The Solar Eruption of 2005 May 13 and Its Effects: Long-Baseline Interplanetary Scintillation Observations of the Earth-Directed Coronal Mass Ejection Open

A. R. Breen, R. A. Fallows, M. M. Bisi, Richard A. Jones, B. V. Jackson , et al. · 2008

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 coordin…

Interaction between coronal mass ejections and the solar wind Open

Richard A. Jones, A. R. Breen, R. A. Fallows, A. Canals, M. M. Bisi , et al. · 2007

Observations suggest that the interplanetary extensions of coronal mass ejections (iCMEs) may be accelerated or decelerated in their passage through the solar wind. Interplanetary scintillation measurements (IPS) can detect the passage of …

A Magnetometer For The Solar Orbiter Mission Open

C. Carr, T. S. Horbury, A. Balogh, S. D. Bale, W. Baumjohann , et al. · 2007

The magnetometer is a key instrument to the Solar Orbiter mission. The magnetic field is a fundamental parameter in any plasma: a precise and accurate measurement of the field is essential for understanding almost all aspects of plasma dyn…

The solar eruption of 13 May 2005: EISCAT and MERLIN observations of a coronal radio burst Open

Richard A. Jones, A. R. Breen, R. A. Fallows, M. M. Bisi, P. Thomasson , et al. · 2006

We report results from EISCAT and MERLIN observations of radio scintillation during a solar eruptive event in May 2005. Anomalous increases in signal strength detected at sites more than 2000 km apart are shown to arise from the detection …

Extremely long baseline interplanetary scintillation measurements of solar wind velocity Open

A. R. Breen, R. A. Fallows, M. M. Bisi, P. Thomasson, C. A. Jordan , et al. · 2006

We present results of observations of interplanetary scintillation (IPS) made using the telescopes of the MERLIN and EISCAT networks in which the beam separation approached 2000 km, much larger than in any previous IPS experiments. Signifi…

Dual‐frequency interplanetary scintillation observations of the solar wind Open

R. A. Fallows, A. R. Breen, M. M. Bisi, Richard A. Jones, G. Wannberg · 2006

The results of observations of interplanetary scintillation (IPS) using the telescopes of EISCAT, in northern Scandinavia, and the ESR, on the Svalbard archipelago in the high Arctic, observing at frequencies of 1420 MHz, 928 MHz and 500 M…

Estimating random transverse velocities in the fast solar wind from EISCAT Interplanetary Scintillation measurements Open

A. Canals, A. R. Breen, L. Ofman, Patrick Moran, R. A. Fallows · 2002

Interplanetary scintillation measurements can yield estimates of a large number of solar wind parameters, including bulk flow speed, variation in bulk velocity along the observing path through the solar wind and random variation in transve…

The solar wind at solar maximum: comparisons of EISCAT IPS and in situ observations Open

A. R. Breen, Pete Riley, A. J. Lazarus, A. Canals, R. A. Fallows , et al. · 2002

The solar maximum solar wind is highly structured in latitude, longitude and in time. Coronal measurements show a very high degree of variability, with large variations that are less apparent within in situ spacecraft measurements. Interpl…

EISCAT measurements of solar wind velocity and the associated level of interplanetary scintillation Open

R. A. Fallows, P. J. S. Williams, A. R. Breen · 2002

A relative scintillation index can be derived from EISCAT observations of Interplanetary Scintillation (IPS) usually used to study the solar wind velocity. This provides an ideal opportunity to compare reliable measurements of the solar wi…

The 3-D Sun and heliosphere at solar maximum Open

Bob Forsyth, A. R. Breen · 2002

Bob Forsyth and Andy Breen report from the RAS G Discussion Meeting at the Geological Society on 11 January 2002. Presentations came from both the solar and heliospheric communities, on the 3-D structure and dynamics of the solar corona an…

Living with an active star Open

A. R. Breen · 2001

Observations have shown that the Sun is far from being a stable, unchanging object. Rather, we live within the outer atmosphere of a variable star. Andy Breen presents a summary of a meeting that drew together new results from observations…

Simultaneous interplanetary scintillation and optical measurements of the acceleration of the slow solar wind Open

A. R. Breen, S. J. Tappin, C. A. Jordan, P. Thomasson, Patrick Moran , et al. · 2000

Simultaneous observations of the slow solar wind off the southeast limb of the Sun were made in May 1999 using optical measurements from the C2 and C3 LASCO coronagraphs on board the SOHO spacecraft and radio-scattering measurements from t…

Observations of interplanetary scintillation during the 1998 Whole Sun Month: a comparison between EISCAT, ORT and Nagoya data Open

Patrick Moran, S. Ananthakrishnan, V. Balasubramanian, A. R. Breen, A. Canals , et al. · 2000

Observations of interplanetary scintillation (IPS) allow accurate solar wind velocity measurements to be made at all heliographic latitudes and at a range of distances from the Sun. The data may be obtained with either single, double or mu…

Simultaneous interplanetary scintillation and optical measurements of the acceleration of the slow solar wind Open

A. R. Breen, S. J. Tappin, C. A. Jordan, P. Thomasson, Patrick Moran , et al. · 2000

Simultaneous observations of the slow solar wind off the southeast limb of the Sun were made in May 1999 using optical measurements from the C2 and C3 LASCO coronagraphs on board the SOHO spacecraft and radio-scattering measurements from t…

Observations of interplanetary scintillation during the 1998 Whole Sun Month: a comparison between EISCAT, ORT and Nagoya data Open

Patrick Moran, S. Ananthakrishnan, V. Balasubramanian, A. R. Breen, A. Canals , et al. · 2000

Observations of interplanetary scintillation (IPS) allow accurate solar wind velocity measurements to be made at all heliographic latitudes and at a range of distances from the Sun. The data may be obtained with either single, double or mu…

Interplanetary scintillation observations of interaction regions in the solar wind Open

A. R. Breen, Patrick Moran, Cornelius Varley, William Wilkinson, P. J. S. Williams , et al. · 1998

Co-rotating interaction regions (CIRs) between fast and slow streams of plasma are a prominent feature of the solar wind. Measurements of interplanetary scintillation (IPS) using the three widely separated antennas of the EISCAT facility h…

Measurements of the direction of the solar wind using interplanetary scintillation Open

Patrick Moran, A. R. Breen, Cornelius Varley, P. J. S. Williams, William Wilkinson , et al. · 1998

EISCAT observations of the interplanetary scintillation of a single source were made over an extended period of time, during which the orientation of the baselines between the two observing sites changed significantly. Assuming that maximu…

Interplanetary scintillation observations of interaction regions in the solar wind Open

A. R. Breen, Patrick Moran, Cornelius Varley, William Wilkinson, P. J. S. Williams , et al. · 1998

Abstract. Co-rotating interaction regions (CIRs) between fast and slow streams of plasma are a prominent feature of the solar wind. Measurements of interplanetary scintillation (IPS) using the three widely separated antenn…

Measurements of the direction of the solar wind using interplanetary scintillation Open

Patrick Moran, A. R. Breen, Cornelius Varley, P. J. S. Williams, William Wilkinson , et al. · 1998

Abstract. EISCAT observations of the interplanetary scintillation of a single source were made over an extended period of time, during which the orientation of the baselines between the two observing sites changed signific…

EISCAT measurements of the solar wind Open

A. R. Breen, W. A. Coles, R. R. Grall, M. T. Klinglesmith, Johannes Markkanen , et al. · 1996

EISCAT observations of interplanetary scintillation have been used to measure the velocity of the solar wind at distances between 15 and 130 R⊙ (solar radii) from the Sun. The results show that the solar wind consists of two distinct compo…

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