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Observations and model predictions of substorm auroral asymmetries in the conjugate hemispheres. / Ostgaard, N; Tsyganenko, NA; Mende, SB; Frey, HU; Immel, TJ; Fillingim, M; Frank, LA; Sigwarth, JB.

In: Geophysical Research Letters, Vol. 32, No. 5, L05111, 15.03.2005.

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

Harvard

Ostgaard, N, Tsyganenko, NA, Mende, SB, Frey, HU, Immel, TJ, Fillingim, M, Frank, LA & Sigwarth, JB 2005, 'Observations and model predictions of substorm auroral asymmetries in the conjugate hemispheres', Geophysical Research Letters, vol. 32, no. 5, L05111. https://doi.org/10.1029/2004GL022166

APA

Ostgaard, N., Tsyganenko, NA., Mende, SB., Frey, HU., Immel, TJ., Fillingim, M., Frank, LA., & Sigwarth, JB. (2005). Observations and model predictions of substorm auroral asymmetries in the conjugate hemispheres. Geophysical Research Letters, 32(5), [L05111]. https://doi.org/10.1029/2004GL022166

Vancouver

Ostgaard N, Tsyganenko NA, Mende SB, Frey HU, Immel TJ, Fillingim M et al. Observations and model predictions of substorm auroral asymmetries in the conjugate hemispheres. Geophysical Research Letters. 2005 Mar 15;32(5). L05111. https://doi.org/10.1029/2004GL022166

Author

Ostgaard, N ; Tsyganenko, NA ; Mende, SB ; Frey, HU ; Immel, TJ ; Fillingim, M ; Frank, LA ; Sigwarth, JB. / Observations and model predictions of substorm auroral asymmetries in the conjugate hemispheres. In: Geophysical Research Letters. 2005 ; Vol. 32, No. 5.

BibTeX

@article{350b738c936f4af38056b01cc60db4e0,
title = "Observations and model predictions of substorm auroral asymmetries in the conjugate hemispheres",
abstract = "Based on imaging data from the Polar VIS Earth camera and the IMAGE-FUV instruments we have documented how the IMF orientation and the dipole tilt angle act as the main and the secondary controlling factors of the relative displacement of the aurora in the conjugate hemispheres. Comparing our results with the asymmetries predicted by recent empirical magnetospheric models, we show that the assumed partial penetration of the IMF into the magnetosphere is clearly supported by observations, but the modeled conjugate shifts were found to be an order of magnitude smaller than the observed ones.",
keywords = "INTERPLANETARY MAGNETIC-FIELD, DAWN-DUSK ASYMMETRY, SOLAR-WIND, MAGNETOSPHERE, IMF, MAGNETOTAIL, IONOSPHERE, DEPENDENCE, COMPONENT, LOCATION, auroral phenomena, magnetosphere, modeling",
author = "N Ostgaard and NA Tsyganenko and SB Mende and HU Frey and TJ Immel and M Fillingim and LA Frank and JB Sigwarth",
year = "2005",
month = mar,
day = "15",
doi = "10.1029/2004GL022166",
language = "English",
volume = "32",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "5",

}

RIS

TY - JOUR

T1 - Observations and model predictions of substorm auroral asymmetries in the conjugate hemispheres

AU - Ostgaard, N

AU - Tsyganenko, NA

AU - Mende, SB

AU - Frey, HU

AU - Immel, TJ

AU - Fillingim, M

AU - Frank, LA

AU - Sigwarth, JB

PY - 2005/3/15

Y1 - 2005/3/15

N2 - Based on imaging data from the Polar VIS Earth camera and the IMAGE-FUV instruments we have documented how the IMF orientation and the dipole tilt angle act as the main and the secondary controlling factors of the relative displacement of the aurora in the conjugate hemispheres. Comparing our results with the asymmetries predicted by recent empirical magnetospheric models, we show that the assumed partial penetration of the IMF into the magnetosphere is clearly supported by observations, but the modeled conjugate shifts were found to be an order of magnitude smaller than the observed ones.

AB - Based on imaging data from the Polar VIS Earth camera and the IMAGE-FUV instruments we have documented how the IMF orientation and the dipole tilt angle act as the main and the secondary controlling factors of the relative displacement of the aurora in the conjugate hemispheres. Comparing our results with the asymmetries predicted by recent empirical magnetospheric models, we show that the assumed partial penetration of the IMF into the magnetosphere is clearly supported by observations, but the modeled conjugate shifts were found to be an order of magnitude smaller than the observed ones.

KW - INTERPLANETARY MAGNETIC-FIELD

KW - DAWN-DUSK ASYMMETRY

KW - SOLAR-WIND

KW - MAGNETOSPHERE

KW - IMF

KW - MAGNETOTAIL

KW - IONOSPHERE

KW - DEPENDENCE

KW - COMPONENT

KW - LOCATION

KW - auroral phenomena

KW - magnetosphere

KW - modeling

U2 - 10.1029/2004GL022166

DO - 10.1029/2004GL022166

M3 - Article

VL - 32

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 5

M1 - L05111

ER -

ID: 28045873