Modeling Data Sets

Data Sets Used to Derive the T89c and T96 Models

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Spacecraft name         Time Period Covered  Data Points   Total Time      Orbits
                                                            (hours)
---------------------------------------------------------------------------------
A-IMP D (Explorer 33)    Jul '66 - Jul '68        724           356          34
A-IMP E (Explorer 35)    Jul '67 - Jan '69      1,260            17          17
IMP 4   (Explorer 34)    May '67 - Sep '71      5,173         2,799         144
IMP 5   (Explorer 41)    Jun '69 - Sep '71      9,426         5,480         195
IMP 6   (Explorer 43)    Mar '71 - Sep '74     11,801         5,419         312
HEOS 1                   Dec '68 - Dec '73      3,908         1,980         215
HEOS 2                   Feb '72 - Aug '74      3,044         1,320         152
IMP 7   (Explorer 47)    Sep '72 - Apr '73        681           650          14
IMP 8   (Explorer 50)    Oct '73 - Jun '86      9,568         8,052         280
ISEE 1                   Jan '80 - Dec '81     17,602         6,794         301
ISEE 2                   Jan '78 - Jan '80     16,558         6,497         311

Totals                                         79,745        40,607
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For additional information about these data sets please refer to

Fairfield, D. H., N. A. Tsyganenko, A. V. Usmanov, and M. V. Malkov, A large magnetosphere magnetic field database
(JGR-A, v.99, 11319, 1994.)

Download the set (a zipped archive gsm1194.zip)

Data Sets Used to Derive the T02 Model

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Spacecraft   Time Period Covered  No. 5-min   Total Time,
                                   averages     hours
-------------------------------------------------------------
Polar        Mar 1996 - Aug 1999   28,351       2363

Geotail      Nov 1994 - Nov 1999    9,573        798

ISEE-2       Jan 1984 - Sep 1987    1,224        102

AMPTE/CCE    Aug 1984 - Aug 1988    2,982        249

AMPTE/IRM    Aug 1984 - Jul 1986      210         18

CRRES        Jul 1990 - Oct 1991      563         47

DE-1         Jan 1984 - Nov 1990     2299        192

Totals                             45,202      3,767
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For additional information about these data sets please refer to
Tsyganenko, N. A., A model of near magnetosphere with a dawn-dusk asymmetry 2. Parameterization and fitting to observations.
(JGR-A, v.107(A8), doi: 10.1029/2001JA000220, 2002.)

Storm-Time Data Used to Derive the TS05 Model


The data listed below include 37 storms during period from October 1996 to November 2000.
More information on the data set can be found in:

Tsyganenko, N. A., H. J. Singer, and J. C. Kasper, Storm-time distortion of the inner
magnetosphere: How severe can it get ?

(JGR-A, v.108(A5), 1209, doi:10.1029/2002JA009808, 2003.)

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Spacecraft   Time Period Covered  No. 5-min   Total Time,
                                  averages     hours
_________________________________________________________

Polar        Oct 1996 - Nov 2000   45,354       3,779

Geotail      May 1997 - Nov 2000    4,237         353

Equator-S    Feb 1998 - Mar 1998    1,659         138

GOES-8       Oct 1996 - Nov 2000   50,070       4,173

GOES-9       Oct 1996 - May 1998   20,439       1,703

GOES-10      Apr 1999 - Nov 2000   21,028       1,752

Totals                            142,787      11,899
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Data Sets Used in the Development of the New High-Resolution Models (Tsyganenko and Sitnov, 2007; Sitnov et al., 2008)


The data listed below cover the period from October 1995 to November 2005.
More information on the data set can be found in: 
Tsyganenko, N. A., and M. I. Sitnov, Magnetospheric configurations from a high-resolution
data-based magnetic field model

(JGR-A, v.112, A06225, doi:10.1029/2007JA012260.)

_________________________________________________________
Spacecraft        Time Period     Number of   Total Time
                                   averages     hours
_________________________________________________________
Cluster (15-min)  2001 - 2005       65,755     16,439

Polar   (15-min)  1996 - 2005      212,891     53,223

Polar    (5-min)  1996 - 2005      103,856      8,655

Geotail (15-min)  1994 - 2005      135,446     33,862

IMP-8   (15-min)  1995 - 2000       16,317      4,079

GOES-8  (15-min)  1995 - 2003      233,674     58,418

GOES-9  (15-min)  1995 - 1998       84,951     21,238

GOES-10 (15-min)  1999 - 2005      213,295     53,324

GOES-12 (15-min)  2003 - 2005       79,569     19,892
_________________________________________________________

Totals                           1,145,754    269,130
_________________________________________________________

Data Sets Used to Derive the TA15 Model

_____________________________________________________________
Spacecraft   Time Period Covered  No. 5-min   Total Time,
                                   averages     years
_____________________________________________________________
Polar        Mar 1996 - Apr 2008   873,152       8.3

Geotail      Feb 1995 - Dec 2012   574,710       5.5

Cluster      Feb 2001 - Apr 2013   511,072       4.9

THEMIS A     Feb 2007 - Jul 2013   432,950       4.2

THEMIS B     Feb 2007 - Jul 2013   119,667       1.2

THEMIS C     Feb 2007 - Jul 2013   169,946       1.6

THEMIS D     Feb 2007 - Jul 2013   430,286       4.1

THEMIS E     Feb 2007 - Jul 2013   441,830       4.2

Totals                           3,553,613      34.0
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For additional information about these data sets please refer to
Tsyganenko, N. A., V. A. Andreeva, and E. I. Gordeev (2015), Internally and externally induced deformations of the magnetospheric equatorial current as inferred from spacecraft data
(Ann. Geophys.,33, 1-11, doi:10.5194/angeo-33-1-2015)

Histogram of radial data distribution (TA15 model subsample)

Contributions from individual spacecraft are shown by different colors

Last updated: Oct 21, 2015