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Helioseismic and Magnetic Imager Multi-height Dopplergrams

We study Doppler velocity measurements at multiple heights in the solar atmosphere using a set of six filtergrams obtained by the Helioseismic magnetic Imager on board the Solar Dynamics Observatory. There are clear and significant phase differences between core and wing Dopplergrams in the frequency range above the photospheric acoustic cutoff frequency, which indicates that these are really "multi-height" datasets.

preprint2014arXivOpen access
Kaori NagashimaLaurent GizonAaron BirchBjörn LöptienSebastien CouvidatBernhard Fleck
astro-ph.SR
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Open access6 authors1 topic
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
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Kaori NagashimaLaurent GizonAaron BirchBjörn LöptienSebastien CouvidatBernhard Fleck

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