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Magnetospheric State Query System
Space Physics Data Facility (SPDF)
Goddard Space Flight Center, NASA
This Magnetospheric State Query System (MSQS) is developed as a part of our effort to construct a set of new-generation radiation belt models. As a stand-alone system, the MSQS returns the time intervals when a set of user-specified geophysical conditions occurred. Time intervals from MSQS can be used directly to select, retrieve, and analyze the observations associated with a given magnetospheric state [Fung, 1996; Fung and Shao, 2004]. Definitions and explanations of MSQS quantities can be found here .
           
Enter Start and Stop Dates: (yyyyddd or yyyymmdd)
Start       Stop       [Valid Range: (19700101-20061231)]
           
Solar Activity Parameters:
R (Sunspot Number)  Min       Max       Delay (Hr)       Ave. over (Hr)      
F10.7 Flux      Min       Max       Delay (Hr)       Ave. over (Hr)      
           
Solar Wind Parameters:
Bx (GSM), nT      Min       Max       Delay (Hr)       Ave. over (Hr)      
By (GSM), nT      Min       Max       Delay (Hr)       Ave. over (Hr)      
Bz (GSM), nT      Min       Max       Delay (Hr)       Ave. over (Hr)      
Bmag (GSM), nT      Min       Max       Delay (Hr)       Ave. over (Hr)      
Proton Temp., K   Min       Max       Delay (Hr)       Ave. over (Hr)      
Proton Density, /cc   Min       Max       Delay (Hr)       Ave. over (Hr)      
Velocity, km/sec   Min       Max       Delay (Hr)       Ave. over (Hr)      
Flow Pressure, nPa   Min       Max       Delay (Hr)       Ave. over (Hr)      
Electric Field, mV/m  Min       Max       Delay (Hr)       Ave. over (Hr)      
         
Geomagnetic Indices:
Kp           Min Max  Delay (Hr)       Ave. over (Hr)      
Dst, nT      Min       Max       Delay (Hr)       Ave. over (Hr)      
AE (hourly), nT      Min       Max       Delay (Hr)       Ave. over (Hr)      
AL (hourly), nT      Min       Max       Delay (Hr)       Ave. over (Hr)      
AU (hourly), nT        Min       Max       Delay (Hr)       Ave. over (Hr)      
         
   
Please acknowledge/cite the use of the Magnetospheric State Query System (MSQS) in your publications or presentations by the following phrase:

"For this research, I/We have made use of the Magnetospheric State Query System (MSQS) developed and operated by the Space Physics Data Facility of NASA's Goddard Space Flight Center."

F10.7 is Solar flux density at 2800 megaHertz with unit = 10^-22 Joul/sec/m^2/Hz.
SW Bx, By, Bz are in GSM coordinate.

User can specify the magnetosphere state (PSI) parameter range (minimum to maximum) and retrieve multi time intervals satisfying the query conditions.
Delay factor must be non-positive integer.
Ave. over (ave_len) stands for the time duration for "Averaging over" and must be positive integer.
By checking the box in front of the parameter f and specifying the Min, Max, Delay and Ave. over values, the time intervals t retrived will satify Max > sum(f(t+delay-i))/ave_len, i=0,...,ave_len-1 >= Min.

See the Magnetosphere-State parameter coverage plot 1970-1980 , 1980-1990 , 1990-2003 for the detaield magnetospheric state parameter data availability.
General information on coverage:
YYYY DDD - YYYY DDD Parameters Resolution Source
1970 001 - 2003 365 (F10.7 flux) day NGDC
1970 001 - 2003 334 (Sunspot number R) day OMNI-2
1970 001 - 2003 275 (IMF, Bx, By, Bz, Bmag, E field (Vel.*Bz)) hour OMNI-2
1970 001 - 2003 275 (Solar Wind Plasma Density, H+ Temp., Vel., Pdyn) hour OMNI-2
1970 001 - 2003 334 (Kp index) 3 hour OMNI-2
1970 001 - 2002 181 (Dst index) hour OMNI-2
2002 181 - 2003 304 (Provisional Dst) hour OMNI-2
1970 001 - 1988 182 (AE AL AU index) hour WDC-2
1990 001 - 2001 334 (Provisional and quick look AE AL AU index) hour WDC-2
See OMNI web site for further information on data source.

References:

  1. Fung, S. F., Recent development in the NASA trapped radiation models, Radiation belts Models and Standards, Geophysical Monogr., 97, AGU, Washington, D. C., 79-91, 1996.

  2. Fung,S. F., E. V. Bell, L. C. Tan, R. M. Candey, M. J. Golightly, S. L. Huston, J. H. King, and R. E. McGuire, Development of A Magnetospheric State-Based Trapped Radiation Data Base, Adv. Space Research, in press, 2003.

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Responsible NASA official: Dr. Shing F. Fung
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