Dual Spacecraft Stereoscopic Observations

June 22, 1998: The full text of Dr. Allen Gary's paper, On Analysis of Dual Spacecraft Stereoscopic Observations to Determine the Three-Dimensional Morphology and Plasma Properties of Solar Coronal Flux Tubes, is available here as a 104K Acrobat PDF file (requires Acrobat Reader available free of charge). The illustrations are not imbedded in the paper, but are available separately as PDF or JPG files:

Figure 1. (35K PDF) The orbital analysis of a stereoscopic mission...

Figure 2. (21K PDF) The triangulation geometry for Equation 1 is shown...

 

(330K JPG) Synthesized images of the model coronal loop system...

Figure 4. (13K PDF) The position error function and accumulation error...

Figure 5. (77K PDF) A triangulation result is shown along with the 0째-30째 stereoscopic pair...

 

(114K JPG) The set of pseudo temporal images for the 0째 and 30째 aspect angles...

 

(398K JPG) Illustrated is the effect of the instrumental spectral profile on the resulting images...

 

(281K JPG) The Frey's MART methods is applied to a multi-loop system of a transequatorial complex...

 

(144K JPG) The Frey's MART method is applied to a subset of loops...

 

 

(151K JPG) The Frey's MART method is applied to the same subset of loops...

Figure 11. (552K PDF) The stereoscopic image analysis program for two spacecraft mission...

Credit for all images: NASA/Marshall Space Flight Center

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Author: Dave Dooling
Curator: Bryan Walls
NASA Official: John M. Horack