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Comparison of Time-Distance Local Helioseismology on GONG and MDI Data SetsWe show first results derived from one rotation of GONG++ and MDI data analyzed independently by different groups with time-distance techniques. We focus on observations obtained during spring 2002 and especially on Carrington rotation 1988 (2002/3/30 - 2002/4/26) and measure flow components and wave speed inhomogeneities over a range of depths for different active regions.
Document ID
20030053450
Acquisition Source
Goddard Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Duvall, T. L., Jr. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Zhao, J. (Stanford Univ. Stanford, CA, United States)
Rajaguru, S. P. (Imperial Coll. of Science and Technology London, United Kingdom)
Toner, C. G. (National Solar Observatory United States)
Kosovichev, A. G. (Stanford Univ. Stanford, CA, United States)
Thompson, M. J. (Imperial Coll. of Science and Technology London, United Kingdom)
Hughes, S. J. (Imperial Coll. of Science and Technology London, United Kingdom)
Date Acquired
August 21, 2013
Publication Date
January 1, 2003
Subject Category
Solar Physics
Meeting Information
Meeting: Solar Physics Division 2003
Location: Laurel, MD
Country: United States
Start Date: June 16, 2003
End Date: June 20, 2003
Sponsors: American Astronomical Society
Distribution Limits
Public
Copyright
Other

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