Magnetic field and electric currents in the vicinity of polar cusps as inferred from Polar and Cluster data

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Magnetic field and electric currents in the vicinity of polar cusps as inferred from Polar and Cluster data. / Tsyganenko, N. A.

In: Annales Geophysicae, Vol. 27, No. 4, 2009, p. 1573-1582.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{667f8db8d4c643c4b9d9f704f155c0bc,

title = "Magnetic field and electric currents in the vicinity of polar cusps as inferred from Polar and Cluster data",

abstract = "A detailed statistical study of the magnetic structure of the dayside polar cusps is presented, based on multi-year sets of magnetometer data of Polar and Cluster spacecraft, taken in 1996-2006 and 2001-2007, respectively. Thanks to the dense data coverage in both Northern and Southern Hemispheres, the analysis spanned nearly the entire length of the cusps, from low altitudes to the cusp {"}throat{"} and the magnetosheath. Subsets of data falling inside the polar cusp {"}funnels{"} were selected with the help of TS05 and IGRF magnetic field models, taking into account the dipole tilt and the solar wind/IMF conditions. The selection funnels were shifted within +/- 10 degrees of SM latitude around the model cusp location, and linear regression parameters were calculated for each sliding subset, further divided into 10 bins of distance in the range 2",

keywords = "Magnetospheric physics, Current systems, Magnetopause, cusp, and boundary layers, Magnetospheric configuration and dynamics, MAGNETOPAUSE, MAGNETOSHEATH, DEPENDENCE, LOCATION, PERTURBATIONS, DAYSIDE, MODEL, NOON, IMF, magnetosphere, cusp, solar wind, spacecraft data",

author = "Tsyganenko, {N. A.}",

year = "2009",

doi = "10.5194/angeo-27-1573-2009",

language = "English",

volume = "27",

pages = "1573--1582",

journal = "Annales Geophysicae",

issn = "0992-7689",

publisher = "Copernicus GmbH ",

number = "4",

}

RIS

TY - JOUR

T1 - Magnetic field and electric currents in the vicinity of polar cusps as inferred from Polar and Cluster data

AU - Tsyganenko, N. A.

PY - 2009

Y1 - 2009

N2 - A detailed statistical study of the magnetic structure of the dayside polar cusps is presented, based on multi-year sets of magnetometer data of Polar and Cluster spacecraft, taken in 1996-2006 and 2001-2007, respectively. Thanks to the dense data coverage in both Northern and Southern Hemispheres, the analysis spanned nearly the entire length of the cusps, from low altitudes to the cusp "throat" and the magnetosheath. Subsets of data falling inside the polar cusp "funnels" were selected with the help of TS05 and IGRF magnetic field models, taking into account the dipole tilt and the solar wind/IMF conditions. The selection funnels were shifted within +/- 10 degrees of SM latitude around the model cusp location, and linear regression parameters were calculated for each sliding subset, further divided into 10 bins of distance in the range 2

AB - A detailed statistical study of the magnetic structure of the dayside polar cusps is presented, based on multi-year sets of magnetometer data of Polar and Cluster spacecraft, taken in 1996-2006 and 2001-2007, respectively. Thanks to the dense data coverage in both Northern and Southern Hemispheres, the analysis spanned nearly the entire length of the cusps, from low altitudes to the cusp "throat" and the magnetosheath. Subsets of data falling inside the polar cusp "funnels" were selected with the help of TS05 and IGRF magnetic field models, taking into account the dipole tilt and the solar wind/IMF conditions. The selection funnels were shifted within +/- 10 degrees of SM latitude around the model cusp location, and linear regression parameters were calculated for each sliding subset, further divided into 10 bins of distance in the range 2

KW - Magnetospheric physics

KW - Current systems

KW - Magnetopause, cusp, and boundary layers

KW - Magnetospheric configuration and dynamics

KW - MAGNETOPAUSE

KW - MAGNETOSHEATH

KW - DEPENDENCE

KW - LOCATION

KW - PERTURBATIONS

KW - DAYSIDE

KW - MODEL

KW - NOON

KW - IMF

KW - magnetosphere

KW - cusp

KW - solar wind

KW - spacecraft data

U2 - 10.5194/angeo-27-1573-2009

DO - 10.5194/angeo-27-1573-2009

M3 - Article

VL - 27

SP - 1573

EP - 1582

JO - Annales Geophysicae

JF - Annales Geophysicae

SN - 0992-7689

IS - 4

ER -

ID: 28046851