Evidence of near-Earth breakup location

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Evidence of near-Earth breakup location. / Dubyagin, S. V.; Sergeev, V. A.; Carlson, C. W. et al.
In: Geophysical Research Letters, Vol. 30, No. 6, 03.2003, p. 15-1.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Dubyagin, SV, Sergeev, VA, Carlson, CW, Marple, SR, Pulkkinen, TI & Yahnin, AG 2003, 'Evidence of near-Earth breakup location', Geophysical Research Letters, vol. 30, no. 6, pp. 15-1. https://doi.org/10.1029/2002GL016569

APA

Dubyagin, S. V., Sergeev, V. A., Carlson, C. W., Marple, S. R., Pulkkinen, T. I., & Yahnin, A. G. (2003). Evidence of near-Earth breakup location. Geophysical Research Letters, 30(6), 15-1. https://doi.org/10.1029/2002GL016569

Vancouver

Dubyagin SV, Sergeev VA, Carlson CW, Marple SR, Pulkkinen TI, Yahnin AG. Evidence of near-Earth breakup location. Geophysical Research Letters. 2003 Mar;30(6):15-1. doi: 10.1029/2002GL016569

Author

Dubyagin, S. V. ; Sergeev, V. A. ; Carlson, C. W. et al. / Evidence of near-Earth breakup location. In: Geophysical Research Letters. 2003 ; Vol. 30, No. 6. pp. 15-1.

Bibtex

@article{782a279c5ecb4099ac007a008e445078,

title = "Evidence of near-Earth breakup location",

abstract = "We report a detailed study of an isolated substorm onset with the FAST spacecraft crossing the equatorward = most auroral arc just when/where it starts to break up. Comprehensive ground (optical, riometer and magnetometer) data combined with the space borne field and particle high resolution observations allowed to infer the following properties of the breakup onset region in this well-documented event: (1) The arc flux tube stays in the region of considerable plasma pressure gradient wherethe pressure values are close to ∼1–2 nPa. The arc was located (2) just 0.4° poleward of the proton isotropic (b2i) boundary (which roughly gives ∼40 nT estimate for the equatorial magnetic field) and (3) close to the peak of the diffuse electron precipitation. (4) Tsyganenko 96 model for these particular solar wind conditions (which correspond well to both the observed b2i boundary and estimated plasma pressure) maps the arc to the equatorial distance of ∼8RE.All these facts in mutual agreement evidence that the auroral breakup in this particular case was launched in the near-Earth domain of the magnetotail at r ∼8RE.",

keywords = "riometer DCS-publications-id, art-446, DCS-publications-credits, iono, iris, DCS-publications-personnel-id, 4",

author = "Dubyagin, {S. V.} and Sergeev, {V. A.} and Carlson, {C. W.} and Marple, {S. R.} and Pulkkinen, {T. I.} and Yahnin, {A. G.}",

year = "2003",

month = mar,

doi = "10.1029/2002GL016569",

language = "English",

volume = "30",

pages = "15--1",

journal = "Geophysical Research Letters",

issn = "0094-8276",

publisher = "John Wiley & Sons, Ltd",

number = "6",

}

RIS

TY - JOUR

T1 - Evidence of near-Earth breakup location

AU - Dubyagin, S. V.

AU - Sergeev, V. A.

AU - Carlson, C. W.

AU - Marple, S. R.

AU - Pulkkinen, T. I.

AU - Yahnin, A. G.

PY - 2003/3

Y1 - 2003/3

N2 - We report a detailed study of an isolated substorm onset with the FAST spacecraft crossing the equatorward = most auroral arc just when/where it starts to break up. Comprehensive ground (optical, riometer and magnetometer) data combined with the space borne field and particle high resolution observations allowed to infer the following properties of the breakup onset region in this well-documented event: (1) The arc flux tube stays in the region of considerable plasma pressure gradient wherethe pressure values are close to ∼1–2 nPa. The arc was located (2) just 0.4° poleward of the proton isotropic (b2i) boundary (which roughly gives ∼40 nT estimate for the equatorial magnetic field) and (3) close to the peak of the diffuse electron precipitation. (4) Tsyganenko 96 model for these particular solar wind conditions (which correspond well to both the observed b2i boundary and estimated plasma pressure) maps the arc to the equatorial distance of ∼8RE.All these facts in mutual agreement evidence that the auroral breakup in this particular case was launched in the near-Earth domain of the magnetotail at r ∼8RE.

AB - We report a detailed study of an isolated substorm onset with the FAST spacecraft crossing the equatorward = most auroral arc just when/where it starts to break up. Comprehensive ground (optical, riometer and magnetometer) data combined with the space borne field and particle high resolution observations allowed to infer the following properties of the breakup onset region in this well-documented event: (1) The arc flux tube stays in the region of considerable plasma pressure gradient wherethe pressure values are close to ∼1–2 nPa. The arc was located (2) just 0.4° poleward of the proton isotropic (b2i) boundary (which roughly gives ∼40 nT estimate for the equatorial magnetic field) and (3) close to the peak of the diffuse electron precipitation. (4) Tsyganenko 96 model for these particular solar wind conditions (which correspond well to both the observed b2i boundary and estimated plasma pressure) maps the arc to the equatorial distance of ∼8RE.All these facts in mutual agreement evidence that the auroral breakup in this particular case was launched in the near-Earth domain of the magnetotail at r ∼8RE.

KW - riometer DCS-publications-id

KW - art-446

KW - DCS-publications-credits

KW - iono

KW - iris

KW - DCS-publications-personnel-id

KW - 4

U2 - 10.1029/2002GL016569

DO - 10.1029/2002GL016569

M3 - Journal article

VL - 30

SP - 15

EP - 11

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 6

ER -

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