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Complex Structure
Experimental Study
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Structure of the quasiperpendicular laminar bow shock
Structure of the quasiperpendicular laminar bow shock,10.1029/JA080i004p00502,Journal of Geophysical Research,E. W. Greenstadt,C.T. Russell,F. L. Sca
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Structure of the quasiperpendicular laminar bow shock
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Citations: 44
)
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E. W. Greenstadt
,
C.T. Russell
,
F. L. Scarf
,
V. Formisano
,
M. Neugebauer
One of the major applications of the study of particles and fields in space is to the physics $f collisionless plasmas in general and to collisionless shocks in particular. Shock phenomena are difficult to scale in the laboratory and notoriously complex to represent in theory. A principal reason for their theoretical complexity is the number of independent parameters that can affect shock structure and shock dissipation processes. The contribution of satellite measurements to the
experimental study
of collisionless shocks lies in the opportunity to obtain repeated highresolution observations of the earth's bow shock, which is constantly available for examination, for a wide range of instantaneous parameter sets. Naturally, the most advantageous use of
satellite data
is in illuminating shock structures under complicated conditions least accessible to laboratory and theoretical attacks. However, spacecraft shock observations are not without their limitations too, the most blatant being the need for simultaneous measurements by at least two vehicles, one of which must define the parameter set under investigation through measurement upstream in the continuously changing solar wind. A second, not much less serious, limitation is the need for reliable estimates of
bow shock
velocities, for the shock is seldom stationary in the spacecraft frame, and without its velocity, its dimensions may not be correctly inferred, especially when
complex structure
prevails. A third limitation lies in the difficulty of finding comprehensive plasma instrumentation on a single spacecraft. In view of these restrictions, it is not inappropriate to seek first a comprehensive characterization of the
bow shock
in its simplest phases, which are already fairly well understood theoretically, for cases in which all or most of these limitations can be overcome. We regard this as a necessary step to more advanced analysis of the
bow shock
under conditions where fresh ground will have to be broken. In this paper we therefore describe several observations of the
bow shock
in a single day, February 12, 1969, when the important parameters M and/8
Journal:
Journal of Geophysical Research
, vol. 80, no. 4, pp. 502514, 1975
DOI:
10.1029/JA080i004p00502
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(
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)
Citation Context
(2)
...In low Mach number shocks the field profile is expected to be stationary and onedimensional [
Greenstadt et al., 1975;
Russell et al., 1982; Farris et al., 1993], while there are no or almost no reflected ions, provided the upstream plasma is not too hot...
...Observations [see
Greenstadt et al., 1975;
Russell et al., 1982; Farris et al., 1993; Russell et al. ,2 009], however, show that in addition to highfrequency (smallscale) noise, therearelargescalewaves on the downstream part of the magnetic profiles of such shocks...
L. Ofman
,
et al.
Collisionless relaxation of ion distributions downstream of laminar qu...
...In low Mach number shocks the field profile is expected to be stationary and onedimensional [
Greenstadt et al., 1975;
Russell et al., 1982; Farris et al., 1993], while there are no or almost no reflected ions, provided the upstream plasma is not too hot...
...Observations [see
Greenstadt et al., 1975;
Russell et al., 1982; Farris et al., 1993; Russell et al. ,2 009], however, show that in addition to highfrequency (smallscale) noise, therearelargescalewaves on the downstream part of the magnetic profiles of such shocks...
L. Ofman
,
et al.
Collisionless relaxation of ion distributions downstream of laminar qu...
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Journal of Geophysical Research
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LARGESCALE COHERENCE AND HIGH VELOCITIES OF THE EARTH'S BOW SHOCK ON FEBRUARY 12, 1969
(
Citations: 18
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E. E. Greenstadt
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OGOV Ion Spectrometer
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Kent Harris
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IEEE Transactions on Geoscience and Remote Sensing  IEEE TRANS GEOSCI REMOT SEN
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(
Citations: 36
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Journal:
Journal of Geophysical Research
, vol. 77, no. 13, pp. 22642273, 1972
VELA 4 PLASMA OBSERVATIONS NEAR THE EARTH'S BOW SHOCK
(
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Michael D. Montgomery
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Journal of Geophysical Research
, vol. 75, no. 7, pp. 12171231, 1970
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Citations
(44)
Costs of bevacizumab and pemetrexed for advanced nonsquamous NSCLC in Italy and Germany
Joaquim BoschBarrera
,
Ignacio GilBazo
Journal:
Lung Cancer
, vol. 71, no. 2, pp. 244244, 2011
Collisionless relaxation of ion distributions downstream of laminar quasiperpendicular shocks
(
Citations: 2
)
L. Ofman
,
M. Balikhin
,
C. T. Russell
,
M. Gedalin
Published in 2009.
Collisionless relaxation of ion distributions downstream of laminar quasiperpendicular shocks
L. Ofman
,
M. Balikhin
,
C. T. Russell
,
M. Gedalin
Journal:
Journal of Geophysical Research
, vol. 114, no. A9, 2009
Analysis of thick, nonplanar boundaries using the discontinuity analyser
(
Citations: 14
)
M. W. Dunlop
,
T. I. Woodward
Journal:
Annales Geophysicae
, vol. 17, no. 8, pp. 984995, 1999
The ramp widths of highMachnumber, quasiperpendicular collisionless shocks
(
Citations: 23
)
J. A. Newbury
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C. T. Russell
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M. Gedalin
Journal:
Journal of Geophysical Research
, vol. 103, no. A12, pp. 2958129593, 1998