34th Solar Physics Division Meeting, June 2003
Session 8 Helioseismology
Poster, Monday, June 16, 2003, 3:30-5:00pm, Mezzanine

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[8.01] First results from Time-Distance inversions of GONG+ data.

S.P. Rajaguru, S.J. Hughes, M.J. Thompson (The Blackett Laboratory, Imperial College London)

We present first results from time-distance helioseismic analysis of a few active regions using the new merged sequences of data from GONG+ instruments. In particular we focus on issues related to the resolution achievable from GONG+ data and also estimate their noise properties.Results from inversions for sound speed changes beneath active regions will be presented with initial comparisons between first and second bounce time-distance data for acoustic rays passing under a spot. We acknowledge support from the UK Particle Physics and Astronomy Research Council.


The author(s) of this abstract have provided an email address for comments about the abstract: p.rajaguru@imperial.ac.uk

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Bulletin of the American Astronomical Society, 35 #3
© 2003. The American Astronomical Soceity.