Some new methods for approaching Meridional Circulation with Time-Distance Helioseismology
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01.12.2016
Co-author
Affiliation
MPS Gottingen
Main category
Natural Sciences (Astrophysics and Astrononmy)
Abstract
1) By measuring the travel times for multiple skips, it should be possible to remove center-to-limb effects in place rather than referencing north-south times to east-west times. 2) Instead of using quadrants (4 sectors), it may be advantageous to use more, like 12 or 16. 3) To learn more about center-to-limb effects, it is useful to measure the temporal frequency dependence. Tests of 1)-3) have been done using 1-year of HMI data and Thomas Hartlep's simulations including a center-to-limb effect.
Further information
Further reading
Language
English
DOI
Conference
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